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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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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Loud Grinding Noise from Saturn SL2 Timing Cover
1999 Saturn SL2
The owner reports a very loud vibrating and grinding sound from the Saturn SL2, suggesting a possible issue with the power steering pump. However, the...
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2002 Saturn SL1 Check Engine Light Diagnostics
2002 Saturn SL1
The owner of a 2002 Saturn SL1 reports that after changing the spark plugs and wires, the check engine light stayed off for three weeks. However, afte...
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Vacuum Hose Connection Issues on 95 Mitsubishi Eclipse
1995-1999 Mitsubishi Eclipse
The owner of a 1995 Mitsubishi Eclipse RS non-turbo is experiencing issues with a vacuum line that they cannot locate. They have identified a 3-outlet...
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1999 Dodge Stratus Won't Start After Repairs
1999 Dodge Stratus
The owner reports that their 1999 Dodge Stratus died while driving and has not started since. They previously replaced the computer, fuel filter, and ...
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1999 Mitsubishi Eclipse Sputters On Acceleration
1999 Mitsubishi Eclipse
The owner reports that their 1999 Mitsubishi Eclipse with a 2.0L non-turbo engine sputters during acceleration. This issue occurs primarily when the e...
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1993 Dodge Caravan No Start Diagnosis
1993 Dodge Caravan
The owner reports that their 1993 Dodge Caravan lost all ignition power while driving, leading to a complete failure to start. Currently, the gauges a...
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1999 Toyota Corolla Airbox Noise Diagnosis
1999 Toyota Corolla
The owner of a 1999 Toyota Corolla with a 1.8L engine and 109,000 miles reports a sucking noise from the airbox at low idle. The noise is traced to a ...
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1995 Audi Cabriolet Driver Side Power Window Issue
1995 Audi Cabriolet
The driver side power window of a 1995 Audi Cabriolet is stuck in the down position and will not go up. The owner attempted various methods to fix the...
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1990 Chevrolet Truck Serpentine Belt Issues
1990 Chevrolet 1500
The owner of a 1990 Chevrolet 1500 454 SS is experiencing frequent failures of the serpentine belt tensioner. The smoke pump and idler pulley have bee...
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2001 Mazda 323 Stalls in Traffic on Hot Days
2001 Mazda 323
The owner has a 2001 Mazda 323 with 90,000 km that experiences stalling after about 20 minutes of idling in traffic on hot days. They have checked for...
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2004 Pontiac Grand Am Stalling Issue
2004 Pontiac Grand Am
The owner reports that their 2004 Pontiac Grand Am with a 3600 V6 engine has been hard to start lately and requires keeping the RPMs up to prevent sta...
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1991 Buick 3.8L Starts and Stalls After Hot Soak
1991 Buick Regal Custom
The owner of a 1991 Buick Regal Custom with a 3.8L engine reports that the vehicle starts and stalls after a hot soak. After the first failed start, a...
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1995 Chrysler Sebring Turning Over but Won't Crank
1995 Chrysler Sebring
The owner's 1995 Chrysler Sebring is turning over but not cranking. Recent actions include replacing the distributor, checking the timing, and install...
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Intermittent Stalling Issue on 1992 Oldsmobile Cutlass
1992 Oldsmobile Cutlass Cierra
The owner reports that their 1992 Oldsmobile Cutlass Cierra, equipped with a 6-cylinder engine and automatic transmission, experiences random stalling...
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1998 Dodge Intrepid Stalling and Lurching Diagnosis
1998 Dodge Intrepid
The owner of a 1998 Dodge Intrepid reports issues while driving, including stalling, lurching, and hard starting. The check engine light has illuminat...
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2003 Volkswagen Jetta Fuel Gauge and Stalling Issue
2003 Volkswagen Jetta
The owner reports that their 2003 Volkswagen Jetta sputters and occasionally stalls when the fuel gauge indicates below half a tank. Despite using the...
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2003 Nissan Sentra turns over but will not start
2003 Nissan Sentra
The owner reports that the 2003 Nissan Sentra turns over but does not start. They have confirmed that there is no spark at the plugs and have replaced...
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