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 Saturn L300 Timing Belt Inquiry
2005 Saturn L300
The owner of a 2005 Saturn L300 is inquiring whether their engine has a timing belt or a timing chain. They also want to know how to determine if the ...
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Volvo S40 2005 Oil Leak and Engine Condition Analysis
2005 Volvo S40
The owner reports an oil leak from the oil pan of their 2005 Volvo S40. Previously, the vehicle was using synthetic oil, and the owner believes there ...
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1985 Toyota Landcruiser Cranks but Won't Start
1985 Toyota Landcruiser
The owner of the 1985 Toyota Landcruiser reported that the vehicle cranks but does not start. The issue was noted particularly in cold and rainy condi...
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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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2002 Kia Sedona Van Throttle Issue Diagnosis
2002 Kia Sedona
The owner reports that their 2002 Kia Sedona van runs fine until it warms up. When the throttle is held at a constant position for too long, it fails ...
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1995 Ford Escort Sport LX Rough Idle and Stalling Issues
1995 Ford Escort Sport LX
The vehicle owner describes experiencing rough idling and stalling in their 1995 Ford Escort Sport LX with 182,000 miles. The car idles roughly at a c...
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2006 Mazda 3 Idle Problems Diagnosis
2006 Mazda 3
The owner recently purchased a 2006 Mazda 3 with a 1500cc ZY engine and is experiencing idle problems. The vehicle has an electronic throttle body and...
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1999 Jeep Laredo Coil Pack and Engine Performance Issues
1999 Jeep Laredo
The owner of a 1999 Jeep Laredo reports a rough idle and stalling issues. They have replaced the coil packs, spark plugs, fuel filter, and oxygen sens...
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2000 Chrysler Cirrus No Start After Fuel Pump Replacement
2000 Chrysler Cirrus
The owner reports that their 2000 Chrysler Cirrus just stopped running while driving. After this incident, they replaced the fuel pump, but the vehicl...
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High Idle Speed Issue Diagnosis for 1987 Mazda Truck
1987 Mazda Truck
The owner reports that after warming the engine to normal operating temperature, the idle speed doesn't settle down below 1100-1200 RPM. They suspect ...
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1988 Chevy S-10 Milky Oil and Starting Issues
1988 Chevy S-10
The owner reports that their 1988 Chevy S-10 was running fine but now won't start. It seems to have excessive water in the engine, indicated by milky ...
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1976 Buick Century Power Window Relay Location
1976 Buick Century
The owner is trying to locate the power window relay on their 1976 Buick Century. They have checked the engine firewall but were unable to find it. Th...
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2010 Dodge Charger Engine Knocking Diagnosis
2010 Dodge Charger
The owner reports a knocking noise from the engine of their 2010 Dodge Charger with a 3.5L engine. The noise is described as a ticking sound, which se...
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1993 Ford Aerostar Won't Crank - Diagnostic Analysis
1993 Ford Aerostar
The owner recently purchased a 1993 Ford Aerostar and replaced the starter, battery, and fuel filter. The vehicle was cranking and driving fine yester...
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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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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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Power Steering Pump Removal for 2004 Buick Rendezvous
2004 Buick Rendezvous
The owner reports a persistent squealing noise when turning the steering wheel, despite changing the serpentine belt. The power steering fluid level i...
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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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Page 29 of 38 - Showing automotive fault analysis cases