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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

What owners actually said

235 reports
110,429 miles · Dec 9, 2014
Electrical SystemExterior Lighting

MY 05 AVEO,IS INCLUDED IN THE GM RECALL#A140093/NHTSA RECALL#14V261(HEADLAMP SWITCH & DRL). I HAVE BEEN EXPERIENCING ISSUES WITH ALL OF MY EXTERNAL LIGHTS (MY GAUGE CLUSTER AND SHIFTER LIGHTS HAVE BEEN OUT). I WAS REPLACING EVERY EXTERNAL BULB EVERY FEW WEEKS TO KEEP THE LIGHTS ON. THAT IS NOT WORKING. I AM DOWN TO ONE HEADLIGHT…

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MY 05 AVEO,IS INCLUDED IN THE GM RECALL#A140093/NHTSA RECALL#14V261(HEADLAMP SWITCH & DRL). I HAVE BEEN EXPERIENCING ISSUES WITH ALL OF MY EXTERNAL LIGHTS (MY GAUGE CLUSTER AND SHIFTER LIGHTS HAVE BEEN OUT). I WAS REPLACING EVERY EXTERNAL BULB EVERY FEW WEEKS TO KEEP THE LIGHTS ON. THAT IS NOT WORKING. I AM DOWN TO ONE HEADLIGHT (DRIVER SIDE) WORKING ' AS FAR AS RUNNING LIGHTS GO. I HAVE NO TAILLIGHTS (BRAKELIGHTS WORK). I COMMUTE APPROX. 40MILES EACH DIRECTION FOR WORK-ALL FREEWAY. I MADE AN APPT W/CHEVY,TOOK THE DAY OFF WORK SO THE CAR COULD BE THERE ALL DAY.AS I ARRIVED TO MY APPT THE SERVICE WRITER TOLD ME THERE IS NOT A REMEDY FROM GM YET SO I WILL NEED TO COVER THE COST. EVENTUALLY WE WENT INTO THE BUILDING TO COMPLETE MY WRITE UP, AT THAT POINT I WAS TOLD THEY WERE BACKED UP ON RECALLS SO THEY MAY NOT GET TO MY VEHICLE DESPITE THE APPT. I REITERATED THE ISSUE,HE SAID OKAY,TOLD ME HE WOULD BE IN CONTACT WITH ME. AT 3:30 HE CALLED,TOLD ME THEY HADN'T HAD A CHANCE TO LOOK AT MY VEHICLE BUT WOULD GET TO IT TOMORROW. I TOOK ANOTHER DAY OFF WORK & LEFT THE CAR WITH THEM.NEXT DAY,I CALLED AT 11AM & I'M TOLD THEY HAVE YET TO TOUCH MY VEHICLE & THERE ARE ABOUT 20 CARS IN FRONT OF ME SO THEY WON'T GET TO IT TODAY EITHER.I COULD NOT LEAVE THE CAR ANOTHER DAY, I TOLD HIM I WOULD PICK IT UP. I IMMEDIATELY CALLED GM EXPLAINED THE SITUATION, THEIR RESPONSE WAS 'WHAT DO YOU WANT US TO DO ABOUT IT'. I TOLD THEM THE CAR WAS UNSAFE AND ILLEGAL TO DRIVE IN THIS CONDITION I NEEDED IT FIXED. THEY TOLD ME THEY WOULD CONTACT ANOTHER DEALERSHIP AND HAVE THEM CONTACT ME. ABOUT 20MINS LATER THE DEALERSHIP CONTACTED ME, GAVE ME THE SAME RUN AROUND AS THE FIRST DEALERSHIP.THIS RECALL IS 7MONTHS OLD, IT TOOK GM 10YRS TO ACKNOWLEDGE IT. THIS IS UNACCEPTABLE, I BOUGHT THIS CAR IN GOOD FAITH THE BASIC FUNCTIONALITY OF THE CAR WOULD WORK AND IT DOES NOT AND GM IS NOT CORRECTING THE ISSUE. *TR

NHTSA ODI #10663240

80,000 miles · Dec 9, 2014
Engine

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE ENGINE STALLED. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXI…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE ENGINE STALLED. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 88,000. UPDATED 02/24/15*LJ UPDATED 9/8/2017*CN

NHTSA ODI #10663121

95,000 miles · Nov 24, 2014
Electrical SystemFire

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT BURNING WIRES FUMES EMITTED INSIDE THE VEHICLE. THE CONTACT MENTIONED THAT THE KEY RELEASED FROM THE IGNITION WHILE THE VEHICLE WAS ON AND THE RADIO FAILED TO OPERATE INTERMITTENTLY. IN ADDITION, THE HEADLIGHT MALFUNCTIONED. THE VEHICLE WAS NOT DIAGNOSED OR REPA…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT BURNING WIRES FUMES EMITTED INSIDE THE VEHICLE. THE CONTACT MENTIONED THAT THE KEY RELEASED FROM THE IGNITION WHILE THE VEHICLE WAS ON AND THE RADIO FAILED TO OPERATE INTERMITTENTLY. IN ADDITION, THE HEADLIGHT MALFUNCTIONED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 95,000.

NHTSA ODI #10660492

48,000 miles · Oct 24, 2014
Unknown Or Other

TIMING BELT IDLER PULLEY FAILURE PLASTIC BREAKS APART. DAMAGING INTERNAL PARTS CAUSING ENGINE TO STOP RUNNING. WITH LOSS OF POWER STEERING POWER BRAKES

NHTSA ODI #10649584

86,000 miles · Sep 8, 2014
Electrical SystemVisibility

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE FUSE BURNED AND CAUSED ALL OF THE WINDOWS TO MALFUNCTION. THE CONTACT REPLACED THE FUSE, BUT THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS UNAVAILABLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE M…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE FUSE BURNED AND CAUSED ALL OF THE WINDOWS TO MALFUNCTION. THE CONTACT REPLACED THE FUSE, BUT THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS UNAVAILABLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 86,000.

NHTSA ODI #10631654

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

32,000 miles · Aug 21, 2014
Engine And Engine CoolingExterior Lighting

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE ENGINE OVERHEATED AND THE TEMPERATURE GAGE DISPLAY STATED THAT THE VEHICLE WAS OVERHEATING. THE FAILURE RECURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE DRL MODULE NEEDED TO BE REPLACED. THE CON…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT STATED THAT THE ENGINE OVERHEATED AND THE TEMPERATURE GAGE DISPLAY STATED THAT THE VEHICLE WAS OVERHEATING. THE FAILURE RECURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE DRL MODULE NEEDED TO BE REPLACED. THE CONTACT RECEIVED A NOTIFICATION FOR NHTSA CAMPAIGN ID NUMBER: 14V261000 (EXTERIOR LIGHTING), HOWEVER THE PART NEEDED TO PERFORM THE RECALL REPAIR WAS UNAVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 32,000.

NHTSA ODI #10627234

29,000 miles · Aug 14, 2014
Exterior Lighting

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. WHILE DRIVING APPROXIMATELY 35 MPH, THE PASSENGER SIDE OF THE VEHICLE WAS HOT TO TOUCH. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V261000 (EXTERIOR LIGHTING). HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE TO PERFORM THE REPAIR. THE VEHICLE WAS …

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. WHILE DRIVING APPROXIMATELY 35 MPH, THE PASSENGER SIDE OF THE VEHICLE WAS HOT TO TOUCH. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V261000 (EXTERIOR LIGHTING). HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE TO PERFORM THE REPAIR. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 29,000.

NHTSA ODI #10622275

33,000 miles · Aug 12, 2014
Exterior Lighting

TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V261000 (EXTERIOR LIGHTING: HEADLIGHTS); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS UNAVAILABLE. THE DEALER WAS UNCERTAIN AS TO WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CON…

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TL* THE CONTACT OWNS A 2005 CHEVROLET AVEO. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V261000 (EXTERIOR LIGHTING: HEADLIGHTS); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS UNAVAILABLE. THE DEALER WAS UNCERTAIN AS TO WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT EXPERIENCED A FAILURE WITH THE HEADLIGHTS. THE APPROXIMATE FAILURE MILEAGE WAS 33,000.

NHTSA ODI #10621736

170,000 miles · Jul 28, 2014
SteeringCrashInjury

SON GOING TO WORK AND STEERING LOCKED UP GOING INTO A TURN CAUSING THE CAR TO GO STRAIGHT INTO A POWER POLE. SON HAD TO BE EXTRACTED OUT OF CAR AND LIFE-BIRD INTO HOSPITAL WITH FACIAL LACERATION, BROKEN AN DISPLACED ELBOW AN SLIGHT CONCUSSION. ACCIDENT WAS IN THE MORNING AND THAT AFTERNOON WAS A RECALL NOTICE ON THE CAR. SON …

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SON GOING TO WORK AND STEERING LOCKED UP GOING INTO A TURN CAUSING THE CAR TO GO STRAIGHT INTO A POWER POLE. SON HAD TO BE EXTRACTED OUT OF CAR AND LIFE-BIRD INTO HOSPITAL WITH FACIAL LACERATION, BROKEN AN DISPLACED ELBOW AN SLIGHT CONCUSSION. ACCIDENT WAS IN THE MORNING AND THAT AFTERNOON WAS A RECALL NOTICE ON THE CAR. SON WAS LUCKY, VERY LUCKY JUST TO HAVE THESE INJURIES. CAR TOTALED. *JS

NHTSA ODI #10617035

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.