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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2008 Cadillac CTS Engine Rod Replacement
2008 Cadillac CTS
The owner suspects that the engine rods in their 2008 Cadillac CTS are damaged and is considering replacing them. They are looking for torque specific...
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2000 Infiniti I30 Not Starting - Diagnostic Analysis
2000 Infiniti I30
The owner reports that the 2000 Infiniti I30 does not start, with the starter clicking when the key is turned but no engine turnover. The battery and ...
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Chevy Small Block Engine Knocking Issue
1973 Chevrolet C/K Pickup
The owner has a 1973 Chevy truck that was stored for about 1.5 years. Upon attempting to start the engine, it started knocking. After removing the val...
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Vacuum Hose Routing for 1997 Honda Civic
1997 Honda Civic
The vehicle owner is seeking assistance with vacuum hose routing for their 1997 Honda Civic, which has a 1.6L engine and aftermarket throttle body, in...
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1992 Ford Mustang Won't Start - Fuel Pressure Concern
1992 Ford Mustang
The vehicle owner reports that their 1992 Ford Mustang occasionally fails to start. The owner has noticed that if they push the gas pedal all the way ...
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2010 Jeep Liberty No Power and No Fuse Message
2010 Jeep Liberty
The owner of a 2010 Jeep Liberty reports complete power loss with no lights or response to the key remote. When attempting to start the vehicle, the o...
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1989 Ford Ranger Stalling Issues When Engaging Gear
1989 Ford Ranger
The owner reports that the truck starts fine but stalls immediately when put into gear and gas is pressed. They have replaced the computer system, spa...
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Wiring Schematic for Lexus ES350 AC Amplifier Assembly
2007-2012 Toyota Lexus ES350
The owner is trying to install Lexus ES350 seats into a different vehicle and needs a detailed wiring schematic for the Toyota 88650-33B31 AC amplifie...
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2006 Hyundai Tucson Diagnostic Analysis
2006 Hyundai Tucson
The owner's 2006 Hyundai Tucson has been experiencing intermittent issues, including stalling and a check engine light. The problems seem to occur mos...
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93 Chevy Corsica Starting and Lurching Issue
1993 Chevrolet Corsica
The owner reports that their 1993 Chevy Corsica was experiencing lurching when pressing the gas, which they initially attributed to the fuel in the ta...
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1988 Oldsmobile Delta 88 Engine Shutdown Issue
1988 Oldsmobile Delta 88
The owner of a 1988 Oldsmobile Delta 88 reports that the vehicle shuts off after running for a while. The engine stalls as if the key has been turned ...
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Intermittent Misfire and Black Smoke from Tailpipe
unknown Saturn unknown
The vehicle owner has a Saturn purchased in August 2012, previously trouble-free, but recently ran the gas to empty and refilled with 89 octane. They'...
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2003 Chevy Impala Stalling, Rough Idle, Misfire
2003 Chevrolet Impala
The owner reports that their 2003 Chevy Impala experiences consistent stalling after about ten minutes of driving. Restarting is difficult; it only re...
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Rattling Valves and Knocking Noise on Acceleration
1995 Cadillac Sedan DeVille
The owner of a 1995 Cadillac Sedan DeVille with a 4.9-liter engine and approximately 100,550 miles reports that the valves rattle during acceleration....
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1989 Ford Bronco Rough Idle Diagnosis
1989 Ford Bronco
The owner reports that their 1989 Ford Bronco with a 351 engine exhibits a rough idle, even though it has supposedly been rebuilt with about 25,000 mi...
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1991 Pontiac Sunbird No Start Diagnosis
1991 Pontiac Sunbird
The owner reports that their 1991 Pontiac Sunbird will not start, even though there is power to the solenoid. When the key is turned to the crank posi...
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1996 Dodge Caravan Won't Start After Multiple Repairs
1996 Dodge Caravan
The owner reports that their 1996 Dodge Caravan has been experiencing starting issues after multiple repairs over the past three months. The check eng...
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1998 Ford Explorer Speedometer and Odometer Failure
1998 Ford Explorer
The owner of a 1998 Ford Explorer reports that both the speedometer and odometer stop functioning after driving for 5 to 8 miles. Initially suspected ...
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