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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2005 Dodge Rumble Bee Stalling and RPM Fluctuation Issues
2005 Dodge Rumble Bee
The owner reports that their 2005 Dodge Rumble Bee experiences stalling when coming to a stop, with RPMs dropping significantly. When the vehicle is c...
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1987 Toyota Corolla FX Cold Start Low Idle Issue
1987 Toyota Corolla FX
The owner reports that their 1987 Toyota Corolla FX experiences low idle during cold starts, dropping below 500 RPM before gradually increasing to 900...
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1998 Saturn SL2 Won't Start Due to Oil in Spark Plug Hole
1998 Saturn SL2
The owner reports that their 1998 Saturn SL2 will not start. They discovered oil in the number 1 spark plug hole, which could indicate a valve cover g...
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2005 Mitsubishi Eclipse Intermittent Noise Diagnosis
2005 Mitsubishi Eclipse
The owner reports an intermittent noise coming from the engine area of their 2005 Mitsubishi Eclipse. The noise occurs sporadically and does not happe...
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1998 Saturn SL1 Check Engine Code P0446 Diagnosis
1998 Saturn SL1
The owner reported a check engine light illuminated with code P0446, indicating a potential issue in the evaporative emissions system. The vehicle run...
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Rear Brake Performance Issue Diagnosis
1996 Nissan 240SX
The owner recently had a safety inspection that revealed the front brakes are functioning well, rated at 120%, while the rear brakes barely passed at ...
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2004 Chevrolet Aveo Timing Replacement Concerns
2004 Chevrolet Aveo
The owner of a 2004 Chevrolet Aveo replaced the timing kit at 58,000 miles, which is before the recommended maintenance interval of 60,000 miles. They...
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1996 Subaru Outback Idle Problem Diagnosis
1996 Subaru Outback
After a 300-mile trip, the owner's 1996 Subaru Outback won't start the next morning. Despite replacing the fuel filters and pump and adding 'heat' to ...
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Shaking and Vibrations in 1992 Honda Prelude
1992 Honda Prelude
The owner describes a 1992 Honda Prelude with an automatic transmission and 181,000 miles experiencing harsh jerking and vibrations when placed in gea...
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1996 Chevy Blazer P0440 Evap Emission System Issue
1996 Chevrolet Blazer
The owner reports that after filling up the gas tank, their 1996 Chevy Blazer died a few miles down the road. After towing it home and adding starting...
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1999 Toyota Corolla CEL On - P0441/P0446 Diagnosis
1999 Toyota Corolla
The check engine light has been on for several months, specifically since April. The vehicle owner received a diagnostic trouble code (DTC) P0441/P044...
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1989 GMC K1500 No Spark Diagnosis
1989 GMC K1500
The owner of a 1989 GMC K1500 reports that the vehicle has no spark. The issue arises while trying to start the engine, which fails to ignite. Previou...
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2007 Suzuki Forenza Engine and Transmission Issue
2007 Suzuki Forenza
The owner is performing an engine swap on their 2007 Suzuki Forenza and installed an engine that came from a manual transmission vehicle. After ensuri...
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2009 Jeep Laredo No Crank Condition
2009 Jeep Laredo
The owner reports that their 2009 Jeep Laredo does not crank or start at all. There is a warning light resembling two lightning bolts on the dashboard...
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1987 Honda Accord Carbureted Misfire and No Start Issues
1987 Honda Accord
The owner has a 1987 Honda Accord with a carbureted engine that started misfiring occasionally while driving. This issue progressed to misfiring even ...
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1989 Cadillac Fleetwood FWD 4.5L Starting Issue
1989 Cadillac Fleetwood
The owner reports that when attempting to start the car, the ignition turns on but the starter only clicks once, and the interior lights dim. After re...
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2000 Dodge Dakota Engine Dies Intermittently
2000 Dodge Dakota
The owner reports that while driving at 65 mph on the interstate, the engine dies suddenly without warning. After pulling over, the vehicle will not r...
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Power Steering Pump Removal for 1999 Chevy Suburban
1999 Chevrolet Suburban
The vehicle owner is seeking guidance on how to remove the power steering pump from their 1999 Chevy Suburban with a 5.7L V8 engine. They have already...
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