Engine System Fault Analysis Cases
Comprehensive collection of engine system fault analysis cases. Get detailed diagnostic solutions for starting issues, performance problems, ignition system faults, and cooling system failures.
Browse by Specific Problem
Intermittent Starting Issues with 2000 Pontiac Grand Am
2000 Pontiac Grand Am
The owner reports that their 2000 Pontiac Grand Am, equipped with a 2.4L engine, drove home fine but failed to start the next day. The vehicle backfir...
View Analysis →
91 Chevy Caprice Starts Then Dies - Fuel System Issue
1991 Chevrolet Caprice
The owner reports that their 1991 Chevy Caprice starts but then dies shortly after. They have already checked and replaced the fuel filter, inspected ...
View Analysis →
1992 Oldsmobile Regency Won't Start Diagnosis
1992 Oldsmobile Regency
The owner reports that their 1992 Oldsmobile Regency will not start, despite the battery being fully charged. All battery connections are clean and ti...
View Analysis →
Intermittent Power Loss and Starting Issues
1989 Volvo 760 Turbo Wagon
The owner reports that their 1989 Volvo 760 Turbo Wagon, with 192,000 miles, occasionally experiences power loss while driving, with RPMs dropping and...
View Analysis →
2000 Oldsmobile Alero Cranks But Won't Start
2000 Oldsmobile Alero
The owner reports that their 2000 Oldsmobile Alero cranks but won't start. Initially, the car started after following reprogramming instructions for t...
View Analysis →
A/C Unit Not Receiving Power
2000-2023 Nissan Pickup
The owner reports that the A/C unit in their Nissan Pickup truck receives no power. When the A/C is activated, there is no power supplied to the compr...
View Analysis →
1995 Dodge Truck Engine Dies Under Load
1995 Dodge Truck
The vehicle starts and revs normally, but the engine dies when put into gear and torque is applied while driving. The owner has replaced several compo...
View Analysis →
2002 Volvo S60 Diesel Engine Overfueling Issue
2002 Volvo S60
The owner reports that their 2002 Volvo S60 diesel engine is producing black smoke, indicating overfueling. The vehicle has experienced this issue rec...
View Analysis →
1999 Acura TL Car Start But Stall Diagnosis
1999 Acura TL
The owner reports that the 1999 Acura TL starts but stalls shortly after. The idling speed is between 1500-2300 RPM when cold, stabilizing just under ...
View Analysis →
1997 Chrysler Cirrus Engine Misfire and Tach Issues
1997 Chrysler Cirrus
The owner reports intermittent issues with the tachometer not working after a friend replaced the ignition coil. The car sometimes cuts off while driv...
View Analysis →
1996 Chevrolet Corsica Cranks But Won't Start
1996 Chevrolet Corsica
The owner reports that their 1996 Chevrolet Corsica cranks but will not start. The vehicle does start with starting fluid and can be kept running with...
View Analysis →
2005 Kia Sedona Cranking But Not Firing Issue
2005 Kia Sedona
The owner reports that the 2005 Kia Sedona is cranking but not firing. Fuel is confirmed to be reaching the fuel lines at the correct pressure, and th...
View Analysis →
1997 GMC Yukon Fuel Pressure Diagnosis
1997 GMC Yukon
The owner of a 1997 GMC Yukon reported a crank but no start condition. Upon checking the fuel pressure, it was found to rise to 61 PSI with the key in...
View Analysis →
2000 Chevy Malibu EGR Valve Position Sensor Issue
2000 Chevrolet Malibu
The owner has a 2000 Chevy Malibu experiencing an EGR valve circuit malfunction, indicated by the persistent P0405 code. After replacing the EGR valve...
View Analysis →
2002 Subaru Impreza Engine Misfire Diagnosis
2002 Subaru Impreza
The owner reports that after driving the 2002 Subaru Impreza hard, the check engine light began flashing. A diagnostic scan revealed misfires in cylin...
View Analysis →
Chevy 350 Engine Misfire and Idle Issues
1994 Chevrolet 1500
The owner reports that their 1994 Chevrolet 1500 with a 350 engine and 190,000 miles is experiencing a rough idle. While revving in neutral, the engin...
View Analysis →
1992 Chevrolet Corsica Rough Idling and Speedometer Issues
1992 Chevrolet Corsica
The owner reports a rough idle that feels like the engine might stall when stopped at lights or stop signs. The issue has not yet led to the engine dy...
View Analysis →
1999 VW Jetta Stalling on Acceleration
1999 Volkswagen Jetta
The owner of a 1999 Volkswagen Jetta reports stalling during acceleration, particularly noticeable between 1,000 and 2,000 RPM. This issue has progres...
View Analysis →
Page 30 of 38 - Showing automotive fault analysis cases