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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1993 Dodge Stealth Engine Stalling Issue
1993 Dodge Stealth
The owner of a 1993 Dodge Stealth reports that the vehicle ran fine for a month after purchase. Now, when turning the key, it clicks and the engine st...
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Honda Civic 2006 P0141 P0315 P0354 Diagnostic Analysis
2006 Honda Civic
The owner of a 2006 Honda Civic reports encountering multiple error codes, including P0141, P0315, P0354, and P1659 during their self-diagnosis. The v...
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2005 Kia Sorento Camshaft Timing and Cap Inquiry
2005 Kia Sorento
The vehicle owner has replaced the driver's side cylinder head on their 2005 Kia Sorento and is now in the process of timing the engine. They are unsu...
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2005 Toyota Avalon Won't Start After Defrost Use
2005 Toyota Avalon
The owner reported that their 2005 Toyota Avalon started normally, but after turning the defrost on high for about five minutes, all dash lights went ...
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2005 Hyundai Elantra Starting Issue Analysis
2005 Hyundai Elantra
The owner reports that their 2005 Hyundai Elantra has been experiencing starting issues for the past three days. The car's electrical systems activate...
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2009 Hummer H3 Vibration at 2000 RPM
2009 Hummer H3
The owner of a 2009 Hummer H3 has been experiencing a severe vibrating noise that resembles a heat shield vibrating in the front of the vehicle at 200...
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2005 Toyota Sienna Rear Evaporator Leak Diagnosis
2005 Toyota Sienna
The owner reports that the rear air evaporator in their 2005 Toyota Sienna leaks water onto the carpet in the cargo area. The issue arises when the ai...
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2005 Honda Accord Power Locks Intermittent Failure
2005 Honda Accord
The owner reports that all four doors of their 2005 Honda Accord will not lock using the remote or the master switch on the driver's side. This issue ...
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Aux Battery Replacement for 2014 Jaguar F-Type
2014 Jaguar F-Type
The owner of a 2014 Jaguar F-Type Base model reported that the eco start/stop feature has stopped working. They replaced the primary battery a year ag...
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2006 Ford F-150 Engine Misfire Diagnosis
2006 Ford F-150
The owner reports a misfire in cylinder #5 of their 2006 Ford F-150 with a 5.4L engine. They have already replaced the ignition coil and spark plug, b...
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2006 Pontiac Montana Electrical Issues: No Power Windows
2006 Pontiac Montana
The owner reports that the power windows, locks, and rear wiper are non-functional. The problem persists regardless of whether the ignition key is on ...
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Oil Pressure Gauge Fluctuation Diagnosis
2005 Jeep Wrangler
The owner has a 2005 Jeep Wrangler I6 with 14,800 miles, experiencing a significant oil pressure gauge drop to zero when stopped, which recovers while...
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2006 Saturn Ion Power Steering and ABS Light Issues
2006 Saturn Ion
The owner reports intermittent power steering failure in their 2006 Saturn Ion. The issue occurs randomly, with the power steering working properly af...
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2008 Chrysler 300 Rear Differential Issue Analysis
2008 Chrysler 300
The owner of a 2008 Chrysler 300 has reported a concerning issue with the rear differential. One of the rear drive arms appears to be disconnected or ...
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2008 Dodge Magnum Firing Order and Misfire Diagnosis
2008 Dodge Magnum
The owner of a 2008 Dodge Magnum reports that after changing the third ignition coil and all spark plugs, the check engine light remains on. The car i...
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2009 Chevy Cobalt LT Won't Start After Wreck
2009 Chevrolet Cobalt
The owner reports that their 2009 Chevy Cobalt LT will not start following a collision on the driver's front side. They have checked all the fuses and...
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Catalytic Converter Diagnosis for 2005 Saturn Ion
2005 Saturn Ion
The owner has a 2005 Saturn Ion with a 2.2L engine. After replacing the spark plugs, ignition coil pack, and ICM due to a PO300 multiple misfire code,...
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2006 Saturn Ion Engine Misfire Diagnosis
2006 Saturn Ion
The owner reports intermittent engine misfiring, particularly noticeable during cold starts in the morning. The misfire is temporary and typically res...
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