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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1995 Honda Prelude White Smoke & Ticking Noise
1995 Honda Prelude
The owner reports that after replacing the head on a 1995 Honda Prelude H23A1 engine, there is white smoke mainly when the engine reaches operating te...
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2002 Mitsubishi Galant Check Engine Light Diagnostics
2002 Mitsubishi Galant
The owner of a 2002 Mitsubishi Galant is frustrated with a recurring check engine light. The vehicle experienced stalling and has had multiple parts r...
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1996 Chevy Astro Fuel Distribution Issues
1996 Chevy Astro
The owner reports that the 1996 Chevy Astro van starts only after 12-20 bumps of the ignition switch and does not start with constant cranking. Once i...
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1998 Chevy Lumina Rear Spark Plug Replacement Procedure
1998 Chevrolet Lumina
The owner is seeking guidance on replacing the rear spark plugs in a 1998 Chevy Lumina with a 3.1L engine. They have a Haynes Repair Manual that advis...
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1997 Chevy Suburban Random Multiple Misfire Diagnosis
1997 Chevy Suburban
The vehicle owner reports a random multiple misfire in their 1997 Chevy Suburban with a 5.7L engine. They have replaced the injectors, spark plugs, wi...
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1998 Chevy Cheyenne Engine Stalling Issue
1998 Chevrolet Cheyenne
The owner reports that the engine in their 1998 Chevy Cheyenne stalls when accelerating, although it idles fine. The stalling worsens as the engine wa...
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1995 Ford F-150 Stalling and Surging Issues
1995 Ford F-150
The owner reports that their 1995 Ford F-150 stalls at idle and near-idle speeds, as well as surges during highway cruising. They have replaced severa...
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1999 Mitsubishi Eclipse Sputters On Acceleration
1999 Mitsubishi Eclipse
The owner reports that their 1999 Mitsubishi Eclipse with a 2.0L non-turbo engine sputters during acceleration. This issue occurs primarily when the e...
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1996 Chevy Cheyenne Intermittent Crank No Start Issue
1996 Chevrolet Cheyenne
Bob's 1996 Chevy Cheyenne experiences intermittent cranking without firing. The vehicle turns over hesitantly and will not start. Bob has replaced the...
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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...
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1999 Chrysler Concorde Stalling Issue Diagnosis
1999 Chrysler Concorde
The owner's 1999 Chrysler Concorde starts without issues but stalls after about 20 minutes of driving. Symptoms include jerking movements before cutti...
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1995 Jeep Wrangler High Oil Pressure Issues
1995 Jeep Wrangler
The owner reported experiencing high oil pressure readings in their 1995 Jeep Wrangler, with the gauge showing over 80 psi during highway driving at 3...
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Power Steering Pulley Removal and Leak Resolution
1995 Cadillac Seville
The vehicle owner described that they successfully removed the power steering pulley using a puller but encountered a leak from the tube connecting th...
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1995 Dodge Intrepid No Start Diagnosis
1995 Dodge Intrepid
The owner's 1995 Dodge Intrepid with a 3.5L engine and approximately 175,000 miles suddenly died. There is fuel pressure, and the ignition coil checks...
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Intermittent Check Engine Light Blinking Issue
1993 Toyota Corolla
The owner reports that their 1993 Toyota Corolla GLi has started to experience a fast blinking check engine light intermittently over the last three d...
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87 Chevy S-10 Truck 2.8 Compression Issue After Gasket Replacement
1982-1993 Chevrolet S-10
The owner recently replaced the intake manifold gaskets on their 1987 Chevy S-10 truck with a 2.8L engine due to a significant leak at the rear. After...
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Engine Rev Limiting at 3000 RPM with Bogging
1989 Honda Prelude
The owner describes a 1989 Honda Prelude with a 2.0L engine experiencing a rev limit of 3000 RPM, which causes the engine to bog down and backfire whe...
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91 Honda Civic DX Stalling Issues
1991 Honda Civic DX
The owner of a 1991 Honda Civic DX with a 2.2L engine reports intermittent stalling issues. The problem occurs while driving, often when the engine is...
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