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.
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1992 Chevrolet Caprice Rear Wheel Cylinder Leak Issue
1992 Chevrolet Caprice
The owner replaced the rear wheel cylinder and brake shoes on their 1992 Chevrolet Caprice, but noticed brake fluid leaking down the inside of the rea...
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1994 GMC 1500 Transmission Swap Analysis
1994-1995 GMC 1500
The owner intends to swap the engine, transmission, and transfer case from a 1995 GMC 1500 into a 1994 GMC 1500 pickup. They are seeking guidance on t...
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1990 Honda Civic Stalling Above Idle
1990 Honda Civic
The owner reports that the 1990 Honda Civic stalls above idle unless the throttle is pressed slowly, similar to a carbureted vehicle with a faulty acc...
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1993 Saturn SL1 Flooding and Stalling Diagnosis
1993 Saturn SL1
The owner is experiencing flooding and stalling issues with their 1993 Saturn SL1 (1.9L, 206,000 miles). After replacing the fuel injector, coolant te...
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1991 Buick 3.8L Starts and Stalls After Hot Soak
1991 Buick Regal Custom
The owner of a 1991 Buick Regal Custom with a 3.8L engine reports that the vehicle starts and stalls after a hot soak. After the first failed start, a...
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1991 Dodge Truck Water in Oil Light On
1991 Dodge 2500
The owner of a 1991 Dodge 2500 Cummins truck reports that the 'water in fuel' light on the instrument panel remains illuminated. Despite the warning l...
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1994 Subaru Justy Cylinder Head Bolt Torque Specifications
1994 Subaru Justy
The owner of a 1994 Subaru Justy with a 1.0L carbureted engine is seeking the correct torque specifications for the cylinder head bolts. They are chan...
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1990 Honda Accord Driver Side Power Seat Belt Issue
1990 Honda Accord
The owner of a 1990 Honda Accord is facing an issue with the driver side power seat belt, which does not retract. The passenger side works fine. Altho...
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1991 Ford Explorer No Spark Diagnosis
1991 Ford Explorer
The owner reports that while driving their 1991 Ford Explorer, the vehicle suddenly shut off and would not restart. Now at school for auto class, they...
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1994 Toyota Camry Rattling Noise Diagnosis
1994 Toyota Camry
The owner of a 1994 Toyota Camry reports a loud metallic rattle, suspected to be from the timing chain area on the passenger side. The sound improved ...
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1994 Buick Regal Cranks But Won't Start
1994 Buick Regal
The owner had an aftermarket stereo installed, and shortly after, the ABS light illuminated. The car drove fine initially, but after returning home, i...
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1990 Lincoln Continental Won't Start Diagnosis
1990 Lincoln Continental
The owner reports that their 1990 Lincoln Continental will not start. They replaced the battery a year ago, but now the vehicle shows no signs of star...
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1991 Pontiac Sunbird No Start Diagnosis
1991 Pontiac Sunbird
The owner reports that their 1991 Pontiac Sunbird will not start, even though there is power to the solenoid. When the key is turned to the crank posi...
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1991 Honda CRX Won't Start - Electrical Issue
1991 Honda CRX
The owner reports that their 1991 Honda CRX won't start after washing the engine. The vehicle was running perfectly before the wash. After the wash, t...
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1990 GMC Suburban 1500 Won't Start
1990 GMC Suburban 1500
The owner replaced the battery in their 1990 GMC Suburban 1500 but upon attempting to start the vehicle, there was no power at all. The lights, radio,...
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1993 Chrysler LeBaron Speedometer Malfunction
1993 Chrysler LeBaron
The owner of a 1993 Chrysler LeBaron convertible reports an issue with the speedometer, which consistently reads 12 miles per hour slower than actual ...
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1992 Pontiac Grand Prix Intermittent No Start Issue
1992 Pontiac Grand Prix
The owner reports that their 1992 Pontiac Grand Prix with a 3.1L engine suddenly died while driving home from the store. Initially, the vehicle bogged...
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1992 Saturn SC2 Stalling After Warm-Up
1992 Saturn SC2
The owner describes a 1992 Saturn SC2 that runs fine for about 10 minutes each morning. After that, it starts cutting out severely while driving, ofte...
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