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2005 Chevrolet Aveo

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2005 Chevrolet Aveo do not stand out strongly from the model-year median of 169.

About this comparison →

When problems were reported

Mileage at the reported incident

195 reports with mileage · 40 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 67 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 62 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 48 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

19 crash reports17 fire reports15 injury reports

Power Train complaints

18 reports
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14,321 miles · Jan 28, 2015
Power Train

TL*THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT WHILE TRYING TO REVERSE, THE LEVER WAS SHIFTED INTO REVERSE BUT THE VEHICLE FAILED TO MOVE. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS INSPECTED BY AN INDEPENDENT MECHANIC. THE TECHNICIAN WAS UNABLE TO DIAGNOSE OR REPAIR THE VEHICLE. HOWEVE…

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TL*THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT WHILE TRYING TO REVERSE, THE LEVER WAS SHIFTED INTO REVERSE BUT THE VEHICLE FAILED TO MOVE. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS INSPECTED BY AN INDEPENDENT MECHANIC. THE TECHNICIAN WAS UNABLE TO DIAGNOSE OR REPAIR THE VEHICLE. HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 14,321.

NHTSA ODI #10679434

59,856 miles · Dec 17, 2014
Power TrainSteeringVehicle Speed Control

CAR WENT TO 500 RPM THEN DROPPED TO 300 RPM THEN DOWN TO 100 RPM; I IMMEDIATELY PULLED OFF THE MAIN ROAD TO A SIDE STREET. LOST POWER STEERING AND WAS UNABLE TO RESTART CAR AGAIN. CAR TAKEN TO LOCAL MECHANIC AFTER RUNNING DIAGNOSTIC TESTS ON THE VEHICLE, DETERMINED THE CAR WAS SAVABLE AND THAT THE TIMING BELT BROKE CAUSING TH…

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CAR WENT TO 500 RPM THEN DROPPED TO 300 RPM THEN DOWN TO 100 RPM; I IMMEDIATELY PULLED OFF THE MAIN ROAD TO A SIDE STREET. LOST POWER STEERING AND WAS UNABLE TO RESTART CAR AGAIN. CAR TAKEN TO LOCAL MECHANIC AFTER RUNNING DIAGNOSTIC TESTS ON THE VEHICLE, DETERMINED THE CAR WAS SAVABLE AND THAT THE TIMING BELT BROKE CAUSING THREE SETS OF VALVES TO BEND. THE TIMING BELT KIT, HEAD GASKET, WATER PUMP AND VALVE KITS NEED TO BE CHANGED. THE ENGINE NEEDS TO BE RECONDITIONED; NEW ENGINE OIL NEEDS TO BE PUT INTO THE CAR ALONG WITH FLUSHING THE FLUIDS. SINCE THIS IS A MASSIVE REWORK OF THE VEHICLE, IT WILL BE OUT OF SERVICE ONE WEEK AND THE REPAIR COST IS $2,100.00. MILEAGE ON THE CAR IS UNDER 60,000, I AM ORIGINAL OWNER. GENERAL MOTORS - CHEVROLET DIVISION CONTACTED BECAUSE I DID NOT TAKE TO A GM DEALER FOR SERVICE (UNABLE TO AFFORD) AND BECAUSE THEY ADVISED ME THIS IS SO FAR OUT OF THE WARRANTY, THEY WOULD NOT OFFER ANY ASSISTANCE. HOWEVER, I DID LOOK UP A SERVICE BULLETIN AND IT DID SAY THE PARTS ARE UNDER WARRANTY. *TR

NHTSA ODI #10664849

94,400 miles · Sep 4, 2014
EnginePower Train

WAS DRIVING ON I-94 FROM MILWAUKEE TO CHICAGO, ONCE IN KENOSHA AREA THE CAR CHOKED, HEARD A BIG NOISE AND DIED COMPLETELY WOULD NOT TURN ON AGAIN. PUSHED IT TO THE SHOULDER AND CALLED 911. THE DOT TOWED THE CAR TO SAFETY AND THEN IT WAS BROUGHT TO THE SHOP. THE MECHANIC DESCRIBED THE PROBLEM AS THE IDLER PULLEY AND THE TIMING BE…

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WAS DRIVING ON I-94 FROM MILWAUKEE TO CHICAGO, ONCE IN KENOSHA AREA THE CAR CHOKED, HEARD A BIG NOISE AND DIED COMPLETELY WOULD NOT TURN ON AGAIN. PUSHED IT TO THE SHOULDER AND CALLED 911. THE DOT TOWED THE CAR TO SAFETY AND THEN IT WAS BROUGHT TO THE SHOP. THE MECHANIC DESCRIBED THE PROBLEM AS THE IDLER PULLEY AND THE TIMING BELT ARE BROKEN DOWN AND THIS CAUSE THE VALVES AND PISTON TO BE COMPLETELY DAMAGED. THE CAR WAS ALWAYS MAINTAINED ACCORDING TO GM RECOMMENDATION, TIMING BELT PERFORMED BY HALL CHEVROLET DEALER AT 67000 AND OIL CHANGE WAS REGULARLY DONE AT 3000MILES. ALSO THE CAR HAS A COMPLETE 92000 MILES REVIEW WITH HEISER CHEVROLET BACK IN MARCH WITH ALL THE MAINTENANCE RECOMMENDED BY GM (TRANSMISSION, COOLANT, BELTS, HOSES...ETC). THE CAR IS STILL IN GREAT SHAPE. THE TIMING BELT AND THE IDLER PART MUST BE DEFECTIVE. *TR

NHTSA ODI #10630878

27,000 miles · Jan 16, 2014
EnginePower TrainVehicle Speed Control

HI I BOUGH A 2005 CHEVY AVEO WITH 9,000.00 MILE I HAD NO PROBLEM. UNTIL ONE DAY THE CAR COMPLETELY STOP AND WONT TURN ON. IT HAD ALMOST 23,000.00 WHEN IT HAPPEN. LUCKILY FOR ME IT STOP IN FRONT OF A MECHANIC SHOP. THE SHOP CHECK THE CAR AND SAID THE ENGINE IS BAD. I BOUGH A USED LOW MILEAGE ENGINE REPLACE IT AND IT TURN ON A…

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HI I BOUGH A 2005 CHEVY AVEO WITH 9,000.00 MILE I HAD NO PROBLEM. UNTIL ONE DAY THE CAR COMPLETELY STOP AND WONT TURN ON. IT HAD ALMOST 23,000.00 WHEN IT HAPPEN. LUCKILY FOR ME IT STOP IN FRONT OF A MECHANIC SHOP. THE SHOP CHECK THE CAR AND SAID THE ENGINE IS BAD. I BOUGH A USED LOW MILEAGE ENGINE REPLACE IT AND IT TURN ON AND DRIVE EXCEPT FOR THE SHIFTING. IT DIDN'T SHIFT TO FOURTH GEAR AND ALSO TURN OFF WHILE DRIVING IT. THEN I WAS TOLD THE TRANSMISSION IS BAD. I CHANGE THE TRANSMISSION WITH LOW MILEAGE AND STILL I HAVE THE SAME PROBLEM I HAD WARRANTY CHANGE IT AGAIN AND STILL IT DOESN'T SHIFT FOURTH GEAR AND IT STILL TURNS OFF. I CHANGE THE COMPUTER, I DID A TUNE UP, ENGINE OIL CHANGE, I'VE CHANGE THE COILS AND SOME SEAL IN TOP OF THE ENGINE, AND I STILL HAVE THE SAME PROBLEM. THE CAR BEEN SITTING SINCE THEN I WANTED TO WAIT TO HAVE MONEY TO FIX IT, THINKING THAT MAYBE THE SHOP WAS LYING TO ME BY ASKING ME TO REPLACE ALL THIS THINGS. I SAVE I FEW DOLLARS AND WANTED TO GET IT FIX I HAD ANOTHER SHOP LOOKED AT IT AND IT SEEMS THAT IS THE SAME DIAGNOSTIC WAS DETECTED. I FRIEND TOLD ME TO GOOGLE IT AND I FOUND OUT THAT AM NOT THE ONLY ONE WITH THAT PROBLEM. I JUST WISH I GOOGLE IT BEFORE I SPEND ALL THE MONEY ON IT. LESSON LEARN I HOPE THEY DO A RECALL BECAUSE I TOO WAS AFRAID TO DRIVE AND GET IN TO AN ACCIDENT BECAUSE IT TURN OFF ON ME . *TR

NHTSA ODI #10560249

74,000 miles · Feb 23, 2013
Exterior LightingPower Train

THE SHIFT GEAR DOES NOT WORK MY BACK LIGHTS ARE ALL OUT I DID NOT KNOW THIS MY CHECK ENGINE LIGHT STAY ON I HAVE HAD NEW SENSORS PUT IN ONE WEEK AND THE NEXT WEEK CHECK ENGINE LIGHT COMES BACK ON WHAT IS WRONG WITH THIS CAR WHY WONT THEY RECALL IT I HAVE TO DRIVE THIS CAR CLOCK WONT KEEP RIGHT TIME GEAR SHIFT LIGHT GOES ON AN DO…

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THE SHIFT GEAR DOES NOT WORK MY BACK LIGHTS ARE ALL OUT I DID NOT KNOW THIS MY CHECK ENGINE LIGHT STAY ON I HAVE HAD NEW SENSORS PUT IN ONE WEEK AND THE NEXT WEEK CHECK ENGINE LIGHT COMES BACK ON WHAT IS WRONG WITH THIS CAR WHY WONT THEY RECALL IT I HAVE TO DRIVE THIS CAR CLOCK WONT KEEP RIGHT TIME GEAR SHIFT LIGHT GOES ON AN DOFF AND MY LOW BEAM AND HAVE HAD THIS CAR RIGHT OUT OF THE SHOW ROOM ONLY 13 MILES ON IT WHEN I GOT IT AND KNOW IT IS ALL MESS UP I DON'T KNOW WHAT TO DO ABOUT IT! *TR

NHTSA ODI #10499805

54,000 miles · Apr 9, 2012
Engine And Engine CoolingPower Train

2005 AVEO (BOUGHT NEW) WITH TIMING BELT FAILURE DESTROYING ENGINE. HAD THIS HAPPENED ON THE INTERSTATE AT 70 MILES AN HOUR IT COULD HAVE BEEN FATAL. FROM MY RESEARCH GMC HAS KNOWN ABOUT THIS ISSUE SINCE AT LEAST 2006 AND YET HAVE NOT ASSISTED CONSUMERS TO CORRECT THIS NOR RECALLED THEIR CAR. I HAVE READ REPORTS ON ALMOST ALL YEA…

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2005 AVEO (BOUGHT NEW) WITH TIMING BELT FAILURE DESTROYING ENGINE. HAD THIS HAPPENED ON THE INTERSTATE AT 70 MILES AN HOUR IT COULD HAVE BEEN FATAL. FROM MY RESEARCH GMC HAS KNOWN ABOUT THIS ISSUE SINCE AT LEAST 2006 AND YET HAVE NOT ASSISTED CONSUMERS TO CORRECT THIS NOR RECALLED THEIR CAR. I HAVE READ REPORTS ON ALMOST ALL YEARS OF AVEO HAVING THIS PROBLEM WELL BEFORE THE 60000 RECOMMENDED TIMING BELT REPLACEMENT. TWO DIFFERENT MECHANICS CONFIRMED TIMING BELT FAILURE. ALL I GET FROM GMC IS THE RUN AROUND. UPSET OVER MONEY BUT MORE CONCERNED ABOUT THESE CARS BEING ON THE HIGHWAYS AND CREATING SOME HORRIBLE ACCIDENT WHEN THE ENGINE SUDDENLY STOPS WORKING AND CONTROLLING THE CAR IS DIFFICULT OR IMPOSSIBLE. PLANNING TO GET RID OF MINE, CAN'T AFFORD THE THOUSANDS OF DOLLARS TO FIX NOR DO I TRUST THIS CAR. *TR

NHTSA ODI #10454590

93,000 miles · Jan 10, 2012
Power TrainVisibilityFire

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE VEHICLE WOULD HESITATE WHEN CHANGING GEARS AND IN ADDITION, THE HEATER WAS INOPERABLE. THE CONTACT WOULD ALSO SMELL SMOKE COMING FROM THE VENTS SPORADICALLY. THE DEALER AND A LOCAL MECHANIC WERE UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CON…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE VEHICLE WOULD HESITATE WHEN CHANGING GEARS AND IN ADDITION, THE HEATER WAS INOPERABLE. THE CONTACT WOULD ALSO SMELL SMOKE COMING FROM THE VENTS SPORADICALLY. THE DEALER AND A LOCAL MECHANIC WERE UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 93,000 AND THE CURRENT MILEAGE WAS 105,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10443352

Mileage unknown · Oct 11, 2011
Electrical SystemExterior LightingFuel System, Gasoline

I HAVE A 2005 CHEVROLET AVEO THAT HAS GIVEN ME NUMEROUS PROBLEMS. A LITTLE OVER A YEAR AGO I NOTICED I COULD NOT SHIFT MY CAR OUT OF PARK I HAVE TO USE A SCREWDRIVER TO SHIFT MY GEAR OUT OF PARK. SOON AFTER I NOTICED MY BRAKE LIGHTS STOPPED WORKING. I BOUGHT A BOX OF FUSES BUT THIS ONLY FIXED THE PROBLEM FOR LESS THAN A WEEK…

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I HAVE A 2005 CHEVROLET AVEO THAT HAS GIVEN ME NUMEROUS PROBLEMS. A LITTLE OVER A YEAR AGO I NOTICED I COULD NOT SHIFT MY CAR OUT OF PARK I HAVE TO USE A SCREWDRIVER TO SHIFT MY GEAR OUT OF PARK. SOON AFTER I NOTICED MY BRAKE LIGHTS STOPPED WORKING. I BOUGHT A BOX OF FUSES BUT THIS ONLY FIXED THE PROBLEM FOR LESS THAN A WEEK. EVERY TIME I PUT A NEW FUSE IN THE BRAKE LIGHTS WENT BACK OUT IN A DAY OR TWO. ONE DAY WHILE I WAS ON THE FREEWAY MY CAR JUST SUDDENLY STOPPED WITHOUT ANY WARNING. I TOOK THE CAR TO THE DEALER IT WAS STILL UNDER THE POWER TRAIN WARRANTY. IT WAS A ELECTRICAL PROBLEM CAUSING ALL OF THESE PROBLEMS AND COST OVER $2,000 TO FIX. A YEAR LATER THE PROBLEMS STARTED AGAIN I CAN'T MOVE MY GEAR WITHOUT USING A SCREW DRIVER, MY BRAKE LIGHTS AND HEADLIGHTS ARE OUT. IF I SLAM THE HOOD OF MY CAR ONE HEADLIGHT WILL COME ON WHICH SHOWS THAT SOMETHING IS WRONG WITH THE WIRING. THE ENGINE LIGHT AND HOLD MODE LIGHT FLASHES CONSTANTLY. I FEEL THIS CAR IS DANGEROUS BECAUSE THERE ARE NO BRAKE LIGHTS WHICH CAN EASILY CAUSE AN ACCIDENT. I WAS PULLED OVER BY THE POLICE BECAUSE OF NO BRAKE LIGHTS A $125 TICKET. I AM IN A BIND BECAUSE I REALLY NEED MY CAR FOR WORK BUT I DO NOT HAVE $2,000 (NO LONGER UNDER WARRANTY) TO FIX THIS CAR ONLY TO HAVE THE SAME PROBLEM HAPPEN AGAIN MONTHS FROM NOW. ALSO, I HAVE NOTICED A STRONG GAS SMELL FROM THE CAR THAT HAS ME CONCERNED. I HAVE READ SO MANY INTERNET POST FROM OTHER PEOPLE COMPLAINING ABOUT THE SAME PROBLEMS. THIS CAR SERIOUSLY NEED TO BE RECALLED BECAUSE IT IS ENDANGERING PEOPLE LIVES. *KB

NHTSA ODI #10429535

85,000 miles · Dec 15, 2009
Engine And Engine CoolingPower Train

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. WHILE DRIVING THE VEHICLES ENGINE WAS BECAME HOT. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR FACILITY FOR INSPECTION. THE TECHNICIAN REPLACED THE MAIN COMPUTER. THE CURRENT AND FAILURE MILEAGES WERE 85000. UPDATED 01/05/10. *LJ THE CONSUMER STATED THE VEHICLE WAS MANUFACTURED WITH A PLA…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. WHILE DRIVING THE VEHICLES ENGINE WAS BECAME HOT. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR FACILITY FOR INSPECTION. THE TECHNICIAN REPLACED THE MAIN COMPUTER. THE CURRENT AND FAILURE MILEAGES WERE 85000. UPDATED 01/05/10. *LJ THE CONSUMER STATED THE VEHICLE WAS MANUFACTURED WITH A PLASTIC TEMPERATURE HOUSING WHICH EVENTUALLY MELTED DUE TO EXTREME HEAT IN TEXAS, WHICH CAUSED THE VEHICLE TO GET HOT AND THE ENGINE TO BURN UP. THE ENGINE AND COMPUTER WERE REPLACED. AFTER 2 MONTHS OF DRIVING, THE TRANSMISSION FAILED. UPDATED 01/07/10.*JB

NHTSA ODI #10295792

60,000 miles · Nov 17, 2009
Electrical SystemExterior LightingPower Train

ON SUNDAY EVENING I ATTEMPTED TO PUT MY 2005 CHEVY AVEO INTO DRIVE AFTER PUTTING MY KEY IN THE IGNITION AND STARTING THE VEHICLE BUT THE SHIFTER WAS STUCK IN PARK. THE AVEO HAS A FEATURE CALLED THE "SHIFT LOCK RELEASE" WHICH IS A HOLE ON THE SHIFTER CONSOLE YOU CAN PUT A SCREWDRIVER OR OTHER TOOL INTO TO RELEASE THE SHIFTER INTO…

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ON SUNDAY EVENING I ATTEMPTED TO PUT MY 2005 CHEVY AVEO INTO DRIVE AFTER PUTTING MY KEY IN THE IGNITION AND STARTING THE VEHICLE BUT THE SHIFTER WAS STUCK IN PARK. THE AVEO HAS A FEATURE CALLED THE "SHIFT LOCK RELEASE" WHICH IS A HOLE ON THE SHIFTER CONSOLE YOU CAN PUT A SCREWDRIVER OR OTHER TOOL INTO TO RELEASE THE SHIFTER INTO DRIVE IN THESE SITUATIONS. I WAS ABLE TO PUT THE CAR IN DRIVE AND MAKE IT HOME SAFELY AFTER USING THE SHIFT LOCK RELEASE BUT WHEN I GOT HOME I REALIZED MY KEY WAS STUCK IN THE IGNITION. MY CAR SAT UNLOCKED OVERNIGHT BECAUSE I COULD NOT GET THE KEY OUT. ON MONDAY I CALLED MY LOCAL GM DEALERSHIP IN SALEM, OH AND THEY STATED THEY WOULD NOT BE ABLE TO TAKE A LOOK AT MY CAR UNTIL TUESDAY. I SPENT THE ENTIRE DAY RESEARCHING ONLINE AND FOUND MANY CUSTOMERS WHO HAVE EXPERIENCED THIS SAME ISSUE WITH THE AVEO. LATER ON IN THE EVENING I REALIZED MY BRAKE LIGHTS WEREN'T WORKING BUT THERE WAS NOT A BLOWN FUSE OR SWITCH. I TESTED BOTH OF THE BRAKE LIGHTS AND THEY WERE STILL GOOD. ON TUESDAY I TOOK MY CAR TO THE DEALERSHIP AND IT COST ME $80 FOR THE MECHANIC TO TELL ME THE SHIFTER IS BAD, WHICH I ALREADY KNEW. THEY ALSO STATED IT WOULD BE $300 TO REPAIR THE SHIFTER. I STRONGLY BELIEVE THE FAILURE OF THE BRAKE LIGHTS, THE SHIFTER AND THE IGNITION ARE TIED TOGETHER AND SHOULD BE REPLACED BY GM AT NO COST TO ME. MY VEHICLE IS SITTING UNATTENDED WITH THE KEY IN IT, WHICH RUNS THE RISK OF IT BEING STOLEN. NOT TO MENTION WHEN I AM DRIVING I HAVE NO BRAKE LIGHTS TO ALERT THE OTHER DRIVERS I AM SLOWING DOWN OR STOPPING WHICH COULD CAUSE AN ACCIDENT. EACH TIME I ATTEMPT TO PUT THE CAR IN DRIVE I HAVE TO INSERT SOMETHING INTO THE SHIFT LOCK RELEASE TO SHIFT THE CAR AND THIS HAS BEEN GOING ON SINCE SUNDAY. *TR

NHTSA ODI #10292586

Official recalls

1

14V261000 · Exterior Lighting:headlights

May 19, 2014

General Motors is recalling certain model year 2004-2008 Chevrolet Aveo vehicles equipped with daytime running lights (DRL). In the affected vehicles, there may be heat generated within the DRL module located in the center console in the instrument panel, which could melt the DRL module.

Consequence & remedy

Consequence: If the DRL module melts due to the heat generation, it could cause a vehicle fire.

Remedy: GM will notify owners, and dealers will install a revised DRL module, inspect the wiring connector for heat damage, and clean the DRL circuit grounds. Owners were sent interim notices on August 14, 2014. The recall began on February 6, 2015. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet). General Motors recall number for this campaign is 14236.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

EA08005 · Stuck Throttle Valve

Opened Feb 14, 2008 · Closed Oct 14, 2008

Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control

TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)

TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Vehicle Speed Control

TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

PE07051 · Stuck Throttle Valve

Opened Oct 19, 2007 · Closed Feb 14, 2008

Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control

ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)

ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.

Vehicle Speed Control

ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.