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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Crackling Sound from Front Passenger Side at 6000 RPM
2008 Honda Accord
The owner reports a crackling sound from the front passenger side of their 2008 Honda Accord when the engine reaches 6000 RPM to redline. They mention...
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2008 Nissan Tiida Auto Transmission Oil Leakage Diagnosis
2008 Nissan Tiida
The owner discovered oil leakage on the left side of the transmission case of their 2008 Nissan Tiida. Despite this, the vehicle runs well, and no oil...
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2006 Chrysler Town and Country P2308 Code Diagnosis
2006 Chrysler Town and Country
The owner of a 2006 Chrysler Town and Country with a 3.3L V6 engine reports a check engine light illuminated and a P2308 code indicating an erratic si...
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2005 Mazda 6 Engine Redlines When Accelerating
2005 Mazda 6
The owner reports that the engine of their 2005 Mazda 6 redlines excessively during acceleration, indicating a potential transmission issue. The probl...
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2007 Mustang Remote Start Malfunction
2007 Ford Mustang
The owner has a 2007 Ford Mustang V6 automatic with the Pony package. They received an extra remote for a remote start system when purchasing the vehi...
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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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Intermittent Engine Stalling and Electrical Warning
2007 Chrysler Sebring
The owner reports that their 2007 Chrysler Sebring experiences intermittent stalling, unable to exceed 40 mph. The electrical problem light illuminate...
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Oil Pump Replacement Diagnosis for 2007 GMC Yukon XL
2007 GMC Yukon XL
The owner of a 2007 GMC Yukon XL with 90,000 miles reports decreasing oil pressure and a ticking noise from the engine. Further investigation revealed...
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2005 Ford Focus Hard Start and Sputtering Diagnosis
2005 Ford Focus
The owner of a 2005 Ford Focus with a 2.0L Duratec engine and manual transmission reports experiencing hard starting and sputtering issues. The proble...
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2007 Mazda RX-8 Hesitation and Power Loss Diagnosis
2007 Mazda RX-8
The owner of a 2007 Mazda RX-8 with 52,000 miles reports that the vehicle hesitates to start and experiences a loss of engine power. The issue began o...
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2006 BMW 325 Engine Overtemp Indications Diagnosis
2006 BMW 325
The owner of a 2006 BMW 325 has reported erratic overtemperature indications. Some days, the radiator fan runs at high speed shortly after starting, w...
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1991 Jaguar XJ6 Fuel System Diagnostic Analysis
1991 Jaguar XJ6
The owner of a 1991 Jaguar XJ6 is experiencing a no-start condition, with only a Pao code appearing. The vehicle cranks and has good spark, but there ...
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1990 Honda Prelude Engine Stalls in Drive
1990 Honda Prelude
The owner reports that the 1990 Honda Prelude starts and runs fine, but when shifting into drive, the engine stalls. It continues to run in reverse an...
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Fuel Injector Wiring Harness Identification
1994 Infiniti Q45
The owner of a 1994 Infiniti Q45 is seeking clarification on whether a specific wiring harness is indeed the fuel injector wiring harness. They are ha...
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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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1990 Honda Accord Stalled While Driving
1990 Honda Accord
The owner reported that their 1990 Honda Accord stalled while driving. The maintenance required light was flashing, and after pulling over, they were ...
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1992 Mazda 323 Loss of Spark Diagnosis
1992 Mazda 323
The owner of a 1992 Mazda 323 reports that the vehicle experiences a loss of spark, leading to no start condition. The problem occurs intermittently a...
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1992 Saturn SL2 EGR Valve and MAP Sensor Diagnostics
1992 Saturn SL2
The owner reports that their 1992 Saturn SL2 is showing trouble codes 32 and 34, indicating EGR valve and MAP sensor issues. They experienced low idle...
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