RoadVitals

2003 Chevrolet Monte Carlo Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
55
Latest Apr 13, 2026
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
35%
of 158 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
15
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2003 Chevrolet Monte Carlo submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 55 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

The 25 most recent of 55, in the owner's own words

ElectricalEngineOther / unspecified
Filed Apr 13, 2026

I keep rewriting this because for some reason it keeps timing out everytime I look for the video to attach. I brought the car to taska twice for underhood fire and ignition. No head gasket got fixed no spark plugs there is several issues water keeps getting in tires are rotted electrical problems and now head gasket is messed up because the hood wasn't put on till afterwards for the recall the ignition is still not fixed. Last time I drove it back it stalled out and smelled over heated

NHTSA ID
11730812
Incident
Apr 13, 2026
Engine
Filed Dec 10, 2023

The service manager told me the Engine cover will be removed and NOT replaced. This downgrades the vehicle as the engine cover is part of the appearance element and gives a certain amount of protection to some components and wiring harnesses. It will soon be a Classic and the engine cover is part of the original equiptment that needs to be on it. There is NO logical reason the valve cover gasket cannot be replaced AND keep the engine cover in place. Thank you for your help.

NHTSA ID
11559383
Incident
Jan 13, 2023
ElectricalEngineFuel system
Filed Nov 1, 2021

Vehicle stalls when starting. While driving vehicle may shut off when moving on highway if you are not pushing on gas pedal. May be due to faulty EGR or emissions component

NHTSA ID
11438831
Incident
Oct 30, 2021
Engine
Filed Jul 31, 2021
Fire reported

I had an engine fire. Complete loss of car.

NHTSA ID
11427302
Incident
May 15, 2021
Engine
Filed Sep 1, 2019

TAKATA RECALL. WELL I NOTICED IT DROPPING OIL ONTO THE ENGINE & INTAKE 12/5/2018 AND NOW IT SEEMS LIKE IT'S BEEN GETTING WORSE CUZ IT'S GETS SO HOT IT STARTS SMOKING FROM THE OIL ON THE ENGINE INTAKE I'M STILL DRIVING THE CAR

NHTSA ID
11252646
Incident
Dec 5, 2018
Engine
Filed Jul 18, 2018

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE LOCAL DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 143,000.

NHTSA ID
11112192
Incident
Jun 1, 2016
Mileage
143,000 mi
ElectricalEngineTires & wheels
Filed Jun 26, 2018
Fire reported

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. AFTER THE VEHICLE RECEIVED AN OIL CHANGE, OIL WAS SEEN LEAKING FROM THE ENGINE. IN ADDITION, THE VEHICLE OVERHEATED, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED, AND SMOKE EMERGED FROM THE HOOD. THE CONTACT STATED THAT, AFTER REPLACING THE RADIATOR, THERE WAS A COOLANT LEAK. THE CONTACT ALSO STATED THAT THE KEY FOB FAILED TO WORK. FURTHERMORE, THE TIRES WERE REPLACED AND ROTATED, BUT THE TIRE PRESSURE WARNING INDICATOR REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE OIL LEAK WAS DUE TO A FAULTY CATALYTIC CONVERTER. THE VEHICLE WAS NOT REPAIRED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS INFORMED AND DID NOT ASSIST. THE FAILURE MILEAGE WAS 174,034.

NHTSA ID
11103994
Incident
Feb 5, 2018
Mileage
174,034 mi
Engine
Filed Dec 13, 2017

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. WHEN THE VEHICLE WAS STARTED, IT SHOOK. THE VEHICLE WAS DRIVEN TO THE DEALER (WHITE ALLEN CHEVROLET, 442 N. MAIN ST, DAYTON, OH 45405) FOR DIAGNOSTIC TESTING. THE DEALER AKNOWLEDGED THE FAILURE AND THE VEHICLE WAS NOT REPAIRED. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) AS A POSSIBLE SOLUTION, BUT THE VIN WAS EXCLUDED FROM THE RECALL. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 94,968.

NHTSA ID
11054504
Incident
Jun 7, 2017
Mileage
94,968 mi
BrakesEngineOther / unspecified
Filed Jul 10, 2017

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. WHILE DRIVING VARIOUS SPEEDS, THE CHECK ENGINE, SERVICE TRACTION, AND ABS WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE FRONT WHEEL HUB WITH THE ABS SENSOR NEEDED TO BE REPLACED. THE CONTACT STATED THAT THE FRONT DRIVER AND PASSENGER SIDE WHEEL HUBS WERE REPLACED; HOWEVER, THE FAILURE RECURRED. NEITHER THE MANUFACTURER NOR THE DEALER WERE CONTACTED OR NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 127,856.

NHTSA ID
11003988
Incident
Mar 3, 2014
Mileage
127,856 mi
Engine
Filed Jun 14, 2017

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT WHILE DRIVING AND IDLED, THE TEMPERATURE GAUGE INCREASED INDICATING THE VEHICLE WAS OVERHEATING. AS A RESULT, THE CONTACT HAD TO PULL OVER FOR A MOMENT FOR THE ENGINE TO COOL. THE ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE MANIFOLD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.

NHTSA ID
10995146
Incident
Jun 14, 2017
Mileage
150,000 mi
Engine
Filed Feb 27, 2017

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT STATED THE RECALL SHOULD BE REPAIRED ON BOTH SIDES OF THE VEHICLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE FAILURE MILEAGE WAS 120,000. *JS

NHTSA ID
10957272
Incident
Oct 31, 2015
Mileage
120,000 mi
Engine
Filed Jan 2, 2017

RECALL #15757. THE REMEDY IN PART SAYS "THE ENGINE'S PLASTIC 'BEAUTY' COVER AND PLASTIC OIL FILL TUBE EXTENSION WILL BE REMOVED, IF THEY HAVEN'T BEEN ALREADY, ALSO FREE OF CHARGE." IF THEY DO NOT REPLACE THIS PART IT DETRACTS FROM THE APPEARANCE, AND ALSO DEVALUES THE CAR! THE REPAIRS SHOULD BE REQUIRED NOT TO AFFECT THE VALUE OF THE CAR!! THANKS

NHTSA ID
10939095
Incident
Dec 30, 2016
Engine
Filed Dec 30, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE VEHICLE WAS NOT EXPERIENCING ANY FAILURES UNTIL IT WAS TAKEN TO THE DEALER AND REPAIRED PER A RECALL. WITHIN SIX MONTHS OF THE DEALER'S REPAIR THERE WAS AN OIL LEAK PROGRESSING ASSOCIATED WITH THE VALVE COVER ON THE UPPER PART OF THE ENGINE. THE VEHICLE WAS TAKEN BACK TO THE DEALER MORE THAN ONCE BUT THE DEALER REFUSED TO PROVIDE A REMEDY. THE MANUFACTURER WAS NOTIFIED. THE RECALL INFORMATION WAS UNKNOWN. THE FAILURE MILEAGE WAS NOT AVAILABLE. UPDATED 03/07/17*LJ *TR

NHTSA ID
10938777
Incident
Mar 7, 2016
Engine
Filed Oct 17, 2016

2003 CHEVROLET MONTE CARLO. CONSUMER WRITES IN REGARDS TO REMOVAL OF ENGINE PLASTIC "BEAUTY" COVER AND PLASTIC OIL-FILL-TUBE EXTENSION RECALL NOTICE. *SMD

NHTSA ID
10914753
Incident
Oct 3, 2016
ElectricalEngine
Filed Sep 30, 2016

THE CAR DONT WANT TO START UP BUT IN 5 MINS IT WILL START UP BUT NOW WHEN I TRY TO START THE CAR IT KEEP CRANKING EVEN WHEN I IM NOT TURNING THE KEY.

NHTSA ID
10910885
Incident
Sep 30, 2016
Engine
Filed Jul 6, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID
10883015
Incident
Jul 6, 2016
Engine
Filed Jun 1, 2016
Fire reported

ENGINE FIRE ENGULFED THE WHOLE FRONT END. THERE WAS A RECALL BY GM #15757. RECEIVED A LETTER INDICATING POSSIBLE ENGINE COMPARTMENT FIRE. CALLED DEALERSHIP SEVERAL TIMES AND INFORMED THAT NEEDED PART WAS NOT AVAILABLE. WHILE DRIVING VEHICLE HOME ON CITY STREET THE ENGINE COMPARTMENT WENT UP IN FLAMES. VIDEO WAS TAKEN OF THE FIRE.

NHTSA ID
10871919
Incident
May 13, 2016
Mileage
120,000 mi
Engine
Filed May 27, 2016
Fire reported

TL* THE CONTACT OWNED A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT WHILE THE VEHICLE WAS IN PARK, THE VEHICLE CAUGHT ON FIRE. THE CONTACT STATED THAT THE FLAMES ENGULFED FROM UNDER THE HOOD. THE CONTACT EXTINGUISHED THE FIRE. THE VEHICLE WAS DESTROYED. THE FIRE DEPARTMENT WAS NOT NOTIFIED AND NO POLICE REPORT WAS FILED. THE VEHICLE WAS INCLUDED IN THE NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 200,000. UPDATED 06/29/16*LJ UPDATED 08/03/16.*JB

NHTSA ID
10871222
Incident
Jan 1, 2016
Mileage
200,000 mi
Engine
Filed Apr 12, 2016
Fire reported

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE VEHICLE WAS LEAKING OIL AND HAD AN ABNORMAL BURNING ODOR. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS CONFIRMED THAT THE VEHICLE EXPERIENCED THE SAME FAILURE AS NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE CONTACT RECEIVED NOTIFICATION FOR THIS RECALL, BUT THE PARTS TO DO THE REPAIR WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 91,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID
10855120
Incident
Dec 1, 2015
Mileage
91,000 mi
Engine
Filed Apr 11, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID
10854921
Incident
Oct 12, 2015
Engine
Filed Mar 10, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE BEAUTY COVER WAS REMOVED AS A REMEDY FOR NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING), WHICH LEFT ALL THE ENGINE WIRES EXPOSED. THE CONTACT BELIEVED THAT THE REMEDY PRESENTED A SAFETY RISK. THE DEALER STATED THAT THEY WERE FOLLOWING MANUFACTURER INSTRUCTIONS. THE MANUFACTURER WAS MADE AWARE OF THE SAFETY CONCERN. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 124,000. UPDATED 05/31/2016*LJ UPDATED 06/01/16.*JB

NHTSA ID
10845991
Incident
Mar 9, 2016
Mileage
124,000 mi
Engine
Filed Mar 10, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE, ENGINE COOLANT) AND STATED THAT THE PART NEEDED WAS UNAVAILABLE TO PERFORM THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. UPDATED 05/17/16*LJ *TR

NHTSA ID
10845936
Incident
Dec 15, 2014
Engine
Filed Mar 3, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT STATED THAT THE REAR VALVE COVER GASKET WAS LEAKING OIL. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE DEALER STATED THAT THE FRONT GASKET WAS THE ONLY COMPONENT INCLUDED IN THE RECALL. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 76,000.

NHTSA ID
10839745
Incident
Mar 7, 2014
Mileage
76,000 mi
Engine
Filed Feb 25, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) HOWEVER, THE PART TO DO THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME FOR RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID
10838134
Incident
Dec 1, 2015
Engine
Filed Jan 25, 2016

TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ID
10821961
Incident
Jan 25, 2016

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .