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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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...
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1997 Jeep Cherokee Poor Engine Performance Diagnosis
1997 Jeep Cherokee
The owner of a 1997 Jeep Cherokee Sport with 130,000 miles reports significant engine performance issues. The vehicle starts fine but struggles to mai...
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1995 Chevy Truck Code 32 Diagnostic Analysis
1995 Chevrolet Pickup
The owner has a 1995 Chevy 454 one-ton pickup that consistently triggers a code 32. They've replaced several components including the MAP sensor, EGR ...
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1997 Plymouth Voyager Stalls After 20 Minutes
1997 Plymouth Voyager
The owner reports that their 1997 Plymouth Voyager shuts off after approximately 20 minutes of driving. The vehicle starts again after a short wait bu...
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No Fuel Supply to Engine on 1988 Volvo 740
1988 Volvo 740
The owner reports that the 1988 Volvo 740 is experiencing a no-start condition due to lack of fuel reaching the engine. The issue occurs consistently ...
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1996 Chevy Blazer Oil Pressure Drop Diagnosis
1996 Chevrolet Blazer
The owner of a 1996 Chevy Blazer experienced a sudden drop in oil pressure to zero while driving at highway speeds. After having intake manifold gaske...
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1996 Ford Thunderbird Turns Over But Won't Start
1996 Ford Thunderbird
The owner reported that their 1996 Ford Thunderbird turns over but does not start. They replaced the fuel pump two months ago, and the car initially r...
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1996 Honda Accord Blinking Check Engine Light
1996 Honda Accord
The check engine light on my 1996 Honda Accord started blinking, particularly when driving under 70 mph or below 3,000 rpm. After having the code read...
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Intermittent No-Start Condition Diagnosis
1998 Volvo S70
The owner of a 1998 Volvo S70 with 60,000 miles reports an intermittent no-start condition. The vehicle runs normally, but the engine suddenly stops w...
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Intermittent Starting Issues When Warm
1973 Buick Centurion
The owner of a 1973 Buick Centurion with a 455 engine reports that the car starts without issue when cold. However, after running and warming up, star...
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No Spark Issue on 1999 Honda Prelude
1999 Honda Prelude
The owner reported that after replacing a dead battery, the vehicle ran for a week before the check engine light came on, indicating misfires on cylin...
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Dodge Intrepid Engine Stalling Issues After Swap
1998 Dodge Intrepid
The owner of a 1998 Dodge Intrepid reports that the vehicle experiences stalling issues, particularly after an engine swap from a 2.7L to a 3.2L engin...
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1994 Chevy Lumina Acceleration Hesitation and Stalling
1994 Chevrolet Lumina
The owner reports a 1994 Chevy Lumina with a 3.1L engine and 208,000 miles experiencing significant hesitation and stumbling during acceleration, occa...
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Engine Shaking Diagnosis for 1994 Nissan Sentra
1994 Nissan Sentra
The owner reports that the engine shakes regardless of whether it is cold or warm. The problem persists even after replacing spark plugs and ignition ...
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2005 Mazda 6 No Spark Issue Diagnosis
2005 Mazda 6
The owner of a 2005 Mazda 6 reports that there is no spark at the spark plugs, particularly at cylinder one. They have already replaced the ignition c...
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1998 Ford Escort ZX2 Intermittent Stalling Issue
1998 Ford Escort ZX2
The owner purchased a 1998 Ford Escort ZX2 for $500, initially facing a no-start issue. After replacing the crankshaft position sensor, the vehicle no...
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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...
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96 Dodge Caravan Cranks but Will Not Start
1996 Dodge Caravan
The owner reports that their 1996 Dodge Caravan with a 2.4L engine stalled while driving on December 18 and would not restart. They have replaced the ...
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Page 21 of 47 - Showing automotive fault analysis cases