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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Starter Sticking Issue Diagnosis on 92 Chevy Suburban
1992 Chevrolet Suburban
The owner of a 1992 Chevy Suburban with a 5.7L engine and 145,000 miles reports that the vehicle started exhibiting symptoms resembling ignition or fu...
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Oil Pressure Fluctuation Diagnosis on 1997 Ford Explorer
1997 Ford Explorer
The oil pressure gauge on my 1997 Ford Explorer has been fluctuating between a low reading and the middle of the gauge for the past six months. A prev...
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2007 Pontiac Grand Prix Power Steering Issues
2007 Pontiac Grand Prix
The owner reports a fluid leak related to the power steering system. After a full flush and repairs, the steering remains tight without acceleration, ...
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Low Idle and Stalling After Flooded Streets
2005 Honda Accord
The owner of a 2005 Honda Accord 2.4L reports experiencing low idle at cold start, around 600-700 RPM, which leads to stalling after warming up. The i...
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Audi Cabriolet Windshield Visibility Issue
2005 Audi Cabriolet
The owner of a 2005 Audi Cabriolet reports that the windshield becomes nearly impossible to see through whenever it rains or snows, requiring constant...
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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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2006 Ford Focus ZX3 Starting Issue Diagnosis
2006 Ford Focus ZX3
The owner of a 2006 Ford Focus ZX3, which has had no mechanical issues until now, reports that the vehicle won't start. Previous maintenance has inclu...
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2008 Saturn Vue vs. 2008 Dodge Caliber Comparison
2008 Saturn Vue
The vehicle owner is considering purchasing either a 2008 Saturn Vue or a 2008 Dodge Caliber. They prefer the Vue but are concerned about slow acceler...
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2009 Ford Focus Power Loss Diagnosis
2009 Ford Focus
The owner reports experiencing power loss in their 2009 Ford Focus TDCi, particularly noticeable during acceleration. The problem occurs intermittentl...
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2008 Suzuki Maruti 800 White Smoke from Exhaust
2008 Suzuki Maruti 800
The owner reports that their 2008 Suzuki Maruti 800 has been emitting white smoke from the exhaust for the past week. They are seeking advice on how t...
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2013 Toyota Yaris Starts, Doesn't Idle
2013 Toyota Yaris
The owner reports that the 2013 Toyota Yaris starts perfectly but dies after about 30 seconds. They have recently acquired the vehicle, which had a pr...
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P2432 Code Diagnosis for 2007 Saturn Ion2
2007 Saturn Ion2
The owner of a 2007 Saturn Ion2 with a 2.2L engine reports a persistent check engine light due to a P2432 code indicating a secondary air injection sy...
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4WD Engagement Issue in 2007 Nissan Xterra
2007 Nissan Xterra
The owner of a 2007 Nissan Xterra reports that the 4WD system does not engage. When attempting to activate the 4WD, the indicator light on the dashboa...
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2009 Toyota Yaris Intake Air Temperature Sensor Analysis
2009 Toyota Yaris
The owner of a 2009 Toyota Yaris is experiencing issues related to the intake air temperature sensor. They discovered that the vehicle does not have a...
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2006 Honda Civic Bent Rocker Shaft Noise Issue
2006 Honda Civic
The owner reported a noise coming from the engine of their 2006 Honda Civic, which has been attributed to a bent rocker shaft. The problem seems to oc...
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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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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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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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