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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Toyota Hilux Surf Cranks but Doesn't Start
1990-1997 Toyota Hilux Surf SSR-G
The owner reports that their Toyota Hilux Surf SSR-G cranks but does not start, despite having replaced the batteries with two new ones and installing...
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1995 Chevy Blazer Won't Start - Diagnostic Analysis
1995 Chevrolet Blazer
The owner reports that their 1995 Chevy Blazer with a 6-cylinder engine and automatic transmission won't start. Previously, they experienced rough run...
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2000 Infiniti i30t Won't Turn Off After Starting
2000 Infiniti i30t
The owner reports that their 2000 Infiniti i30t starts and runs normally, but when they attempt to turn off the vehicle, everything inside shuts down ...
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Starter Sticking Issue Diagnosis on 92 Chevy Suburban
1992 Chevrolet Suburban
The owner of a 1992 Chevy Suburban with a 5.7L engine and 145,000 miles reports that the vehicle started exhibiting symptoms resembling ignition or fu...
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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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Intermittent No-Start and Sluggish Acceleration Issues
unknown Ford unknown
The vehicle experiences intermittent no-start conditions and sluggish acceleration after prolonged highway driving. Over the past 10 months, the owner...
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1999 GMC Sierra Acceleration Problems and Diagnostics
1999 GMC Sierra
The owner reports that their 1999 GMC Sierra is experiencing acceleration issues. When the gas pedal is pressed, the vehicle sputters and backfires, b...
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1999 Lincoln Continental Lean Codes Diagnosis
1999 Lincoln Continental
The owner of a 1999 Lincoln Continental reports a solid 'Service Engine Soon' light. After scanning, the codes P0171 and P0174 were retrieved, indicat...
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2000 Saturn LS2 Idle Issues After MAF Replacement
2000 Saturn LS2
The owner of a 2000 Saturn LS2 with a 6-cylinder engine reports intermittent low idle after replacing the mass air flow (MAF) sensor. Initially, the M...
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1998 Audi A4 Quattro V6 Won't Start
1998 Audi A4
The owner reports that their 1998 Audi A4 Quattro V6 (2.8L automatic) does not start after being stored for 12 years. When the key is turned, nothing ...
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1997 Saturn SC2 Timing Chain Adjustment Procedure
1997 Saturn SC2
The owner is having trouble starting their 1997 Saturn SC2 after attempting to adjust the timing chain. They followed a timing diagram but now the veh...
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2005 Buick Rendezvous Engine Cutting Out Issue
2005 Buick Rendezvous
The owner reports that the 2005 Buick Rendezvous experiences intermittent engine cutouts. After replacing the fuel pump, fuel filter, and intake valve...
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2009 Hyundai i10 Intermittent Starting Issues
2009 Hyundai i10
The owner has been experiencing starting problems with their 2009 Hyundai i10 for the last two years. The engine occasionally starts right away (20% o...
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1999 Ford Ranger P0171 and P0174 Code Analysis
1999 Ford Ranger
The owner reports that their 1999 Ford Ranger with a 3.0L V6 Flex Fuel engine is displaying trouble codes P0171 and P0174. These codes indicate a lean...
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Setting Timing Belt on 1989 Honda Civic LX 1.5L
1989 Honda Civic
The owner of a 1989 Honda Civic LX 1.5L is seeking guidance on how to properly set the timing for the timing belt. They are particularly interested in...
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1998 Chevy Malibu Engine Misfires Diagnosis
1998 Chevrolet Malibu
The owner reported that the vehicle started misfiring after driving it hard one morning. Initially, it ran fine but then died suddenly. The engine wou...
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2001 Daewoo Rough Idle After Sitting
2001 Daewoo unknown
The owner reports that their 2001 Daewoo experiences a rough idle after sitting overnight. The vehicle shakes and stutters significantly, occasionally...
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Timing Marks Misalignment in 1989 Ford Ranger
1989 Ford Ranger
The owner replaced the engine in their 1989 Ford Ranger with one from a wrecking yard. Although all connections were made correctly, the engine fails ...
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