IllustrationCONSUMER COMPLAINED ABOUT RACK AND PINION STEERING. WHICH HAD TO BE REPLACED AT 53,000 MILES AND AT 58,000 MILES. CURRENTLY, AT 68,000 MILES RACK AND PINION HAD TO BE REPLACED AGAIN. HOWEVER, WARRANTY EXPIRED. *AK
2000 Chevrolet Monte Carlo
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Monte Carlo years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
120–25K
2025–50K
2150–75K
1775–100K
34100–150K
21150K+
125 reports with mileage · 108 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 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
12 crash reports35 fire reports12 injury reports
What owners actually said
233 reportsWHILE DRIVING DOWN THE ROAD, NOTICED SMOKE COMING FROM UNDER HOOD OF MY CAR. PULLED INTO PARKING LOT, OPENED HOOD AND SEEN FLAMES COMING OUT OF THE ENGINE COMPARTMENT NEAR THE FRONT OF THE MOTOR. FIRE WAS PUT OUT BY A SERVICE STATION ATTENDANT LOCATED ACROSS THE STREET. FIRE DEPT AND POLICE ARRIVED AT SCENE. TRANS LINE LEAKED FL…
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WHILE DRIVING DOWN THE ROAD, NOTICED SMOKE COMING FROM UNDER HOOD OF MY CAR. PULLED INTO PARKING LOT, OPENED HOOD AND SEEN FLAMES COMING OUT OF THE ENGINE COMPARTMENT NEAR THE FRONT OF THE MOTOR. FIRE WAS PUT OUT BY A SERVICE STATION ATTENDANT LOCATED ACROSS THE STREET. FIRE DEPT AND POLICE ARRIVED AT SCENE. TRANS LINE LEAKED FLUID ONTO HEADER PIPE WHICH CAUSED THE FIRE. *JB
WHEN THE AUTOMATIC TRANSIMISSION IS CHANGED THERE IS A NOISE IN TH OIL PAN. *AK
WHEN TURNING ON THE TURN SIGNALS THEY WORKED INTERMITTENTLY. CONSUMER WILL CONTACT DEALERSHIP ABOUT THIS ISSUE. *AK
WATER LEAKED INTO THE FRONT HEADLIGHT LENS COMPARTMENT. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK
DRIVER SIDE WINDSHIELD WIPER STOPPED OPERATING DURING A SNOW STORM, CAUSING POOR VISIBILITY TO THE DRIVER. *AK
MY 2000 CHEVROLET MONTE CARLO LS DEVELOPED A WATER LEAK IN IT ON THE PASSENGER SIDE IN THE FLOOR AREA COMING FROM UNDER THE DASH. THE CAR IS GOING TO BE REPAIRED AT THE SAME DEALERSHIP WHERE I BOUGHT IT NEW. I WAS INFORMED BY THE REPAIR PERSON THERE HAS BEEN SIMILAR PROBLEMS WITH OTHER MODELS MADE BY GM (BUICK WAS MENTIONED). IT…
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MY 2000 CHEVROLET MONTE CARLO LS DEVELOPED A WATER LEAK IN IT ON THE PASSENGER SIDE IN THE FLOOR AREA COMING FROM UNDER THE DASH. THE CAR IS GOING TO BE REPAIRED AT THE SAME DEALERSHIP WHERE I BOUGHT IT NEW. I WAS INFORMED BY THE REPAIR PERSON THERE HAS BEEN SIMILAR PROBLEMS WITH OTHER MODELS MADE BY GM (BUICK WAS MENTIONED). IT APPEARS THERE IS A DEFECT IN AN AREA UNDER THE DASH ON THE PASSENGER SIDE WHERE A PASSENGER AIR FILTER WAS SUPPOSED TO BE BUT NOT IN MY CAR. IN THAT AREA, RAINWATER BUILDS UP AND SWELLS SOME SEALS AND EVENTUALLY LETS WATER IN THROUGH THAT DEFECTIVE AREA. I THOUGHT IT WOULD BE WORTH REPORTING THIS SINCE IT HAS BEEN IN OTHER VEHICLES AS WELL. PLEASE LET ME KNOW IF YOU MAY NEED MORE INFO OR IF THIS NEEDS TO BE REPORTED ELSEWHERE.*AK
I BOUGHT MY 2000 CHEV MONTE CARLO NEW IN JAN 2000. AT APPROX 20000 MILES I TOOK IT INTO THE DEALER BECAUSE OF 'RATTLING & CLUNKING" NOISE IN STEERING COLUMN. THE DEALER DETERMINED THAT IT WAS THE 'INTERMEDIATE SHAFT" - IT WAS FIXED/REPLACED BY THE DEALER AT THAT TIME. AT 37K MILES - THE SAME PROBLEM. AGAIN, THE DEALER REPLACED T…
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I BOUGHT MY 2000 CHEV MONTE CARLO NEW IN JAN 2000. AT APPROX 20000 MILES I TOOK IT INTO THE DEALER BECAUSE OF 'RATTLING & CLUNKING" NOISE IN STEERING COLUMN. THE DEALER DETERMINED THAT IT WAS THE 'INTERMEDIATE SHAFT" - IT WAS FIXED/REPLACED BY THE DEALER AT THAT TIME. AT 37K MILES - THE SAME PROBLEM. AGAIN, THE DEALER REPLACED THE INTERMEDIATE SHAFT. NOW, AT 77K MILES - THE SAME PROBLEM AGAIN. THIS TIME THE DEALER AND GM WILL NOT PAY FOR OR COVER THE REPAIR. WHILE EVERYONE ADMITS THAT THIS IS UNUSUAL - THEY SAY "IT IS OUT OF WARRANTY". I BELIEVE THAT A FAILURE OF THIS PART IS A SIGNIFICANT SAFETY ISSUE AND SHOULD BE INVESTIGATED. ACCORDING TO A SOURCE AT THE DEALER - THE FAILURE OF THIS PART IS A COMMON COMPLAINT, HOWEVER, REPLACING THIS UNIT 3 TIMES IS NOT A COMMON OCCURENCE. YOUR FILE ODI ID # 10037817 MAKE REFERENCE TO THE SAME ISSUE AS MINE. I GREATLY APPRECIATE YOUR LOOKING AT THIS. THANKS. *AK
$300 TO CORRECT ALIGNMENT.500 TO FIX LEAKING COOLANT.OTH COSTS DUE TO DESIGN/PARTS FLAWS.*AK
MY VEHICLE NEEDED TO HAVE THE UPPER AND LOWER INTAKE MANIFOLD GASKETS, EGR, PLUGS, NEW COOLANT, OIL & FILTER REPLACED. DEALER SAID EGR BURNT THROUGH "PLASTIC" AND THIS IS HOW I GOT LEAKS. CAR SMELLED LIKE IT WAS BURNING. AT FIRST CAR WOULD CONTINUALLY STALL, EVEN WHEN DRIVING. THEN IT STARTED BLOWING OUT WHITE SMOKE …
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MY VEHICLE NEEDED TO HAVE THE UPPER AND LOWER INTAKE MANIFOLD GASKETS, EGR, PLUGS, NEW COOLANT, OIL & FILTER REPLACED. DEALER SAID EGR BURNT THROUGH "PLASTIC" AND THIS IS HOW I GOT LEAKS. CAR SMELLED LIKE IT WAS BURNING. AT FIRST CAR WOULD CONTINUALLY STALL, EVEN WHEN DRIVING. THEN IT STARTED BLOWING OUT WHITE SMOKE AND THEN WOULD NOT START AT ALL. I AM FURIOUS OVER THIS. MY CAR IS OUT OF THE 3 YEARS WARRANTY. IT HAS 52,000 MILES AND HAS BEEN VERY WELL TAKEN CARE OF. CONTACTED GM ONLY TO BE TOLD THEY WOULD NOT OFFER ANY COST ASSISTANCE BECAUSE I DON'T HAVE RECORDS OF DOING MY OWN OIL CHANGES. IF I WERE TO HAVE TAKEN THE CAR FOR EVERY OIL CHANGE AT THE DEALER WHERE THERE WOULD BE A RECORD, THEY MIGHT HAVE CONSIDERED OFFERING HELP. MY CAR HAS ALWAYS HAD OIL CHANGES EVERY 3,000 MILES. THERE IS AN ONLINE PETITION RIGHT NOW WITH OVER 2,200 SIGNATURES FOR THE PROBLEM WITH THE INTAKE MANIFOLD GASKET LEAKS. GM IS WELL AWARE OF THIS PROBLEM AND THEY ARE TURNING THEIR BACKS ON US CONSUMERS. IF THERE WASN'T A PROBLEM WITH THE GASKETS, THEN WHY HAVE THEM COME OUT WITH AN UPGRADED GASKET PART? I WOULD LOVE TO SEND YOU MY SERVICE HISTORY ALONG WITH THE LETTER I WROTE TO GM REGARDING THIS PROBLEM.
Official recalls
515V701000 · Engine And Engine Cooling:engine; Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe
Oct 26, 2015
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence & remedy
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
Engine And Engine Cooling:engine
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
14V400000 · Electrical System:ignition
Jul 3, 2014
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 3, 2014, that they are recalling 5,877,718 model year 2000-2005 Chevrolet Impala and Monte Carlo, 1997-2003 Chevrolet Malibu, 2004-2005 Malibu Classic, 1999-2004 Oldsmobile Alero, 1998-2002 Oldsmobile Intrigue, 1999-2005 Pontiac Grand Am and 2004-2008 Pontiac Grand Prix vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence & remedy
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014. GM's number for this recall is 14350.
09V116000 · Engine And Engine Cooling
Apr 8, 2009
GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L V6 NATURALLY ASPIRATED ENGINE. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH DROPS OF ENGINE OIL MAY BE DEPOSITED ON THE EXHAUST MANIFOLD THROUGH HARD BRAKING.
Consequence & remedy
Consequence: IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLAME AND MAY SPREAD TO THE PLASTIC SPARK PLUG WIRE CHANNEL AND BEYOND INCREASING THE RISK OF AN ENGINE COMPARTMENT FIRE.
Remedy: DEALERS WILL REPLACE THE ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINES PLASTIC COVER AND PLASTIC OIL-FILL-TUBE EXTENSION, FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2016. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, AND PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM OR HTTP:WWW.GMOWNERCENTER.COM.
04V090000 · Fuel System, Gasoline:delivery
Feb 24, 2004
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.
Consequence & remedy
Consequence: THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUEL LINE, PULLING AN INJECTOR OUT OF PLACE, AND CAUSING A FUEL LEAK AND POSSIBLE FIRE.
Remedy: DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDUCTED IN PHASED MAILINGS. PHASE 1 BEGAN ON JUNE 30, 2004, AND PHASE 2 BEGAN ON SEPTEMBER 30, 2004. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, OLDSMOBILE AT 1-800-630-6537, OR PONTIAC AT 1-800-620-7668.
00V228003 · Seat Belts
Aug 7, 2000
VEHICLE DESCRIPTION: PASSENGER VEHICLES, LIGHT DUTY TRUCKS, SPORT UTILITY VEHICLES, AND MINI VANS EQUIPPED WITH TRW SEAT BELT BUCKLE ASSEMBLIES. THE BUCKLE BASE OF THESE SEAT BELT ASSEMBLIES WERE NOT PROPERLY HEAT TREATED AND THEREFORE DO NOT PASS THE LOAD BEARING REQUIREMENT OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 209, "SEAT BELT ASSEMBLIES."
Consequence & remedy
Consequence: IN THE EVENT OF A VEHICLE CRASH, THE OCCUPANT MAY NOT BE PROPERLY RESTRAINED.
Remedy: DEALERS WILL INSPECT THE VEHICLE'S SAFETY BELT BUCKLE ASSEMBLY DATE CODES AND, IF NECESSARY, WILL REPLACE ANY SAFETY BELT BUCKLE ASSEMBLY.
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
1EA02030 · Engine Compartment Fires
Opened Oct 22, 2002 · Closed Mar 9, 2004
Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Additional source detail variants (3)
Fuel System, Gasoline:delivery
EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Fuel System, Gasoline
EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.