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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2002 Toyota Celica Intermittent Misfire Diagnosis
2002 Toyota Celica
The owner recently purchased a 2002 Toyota Celica equipped with a VVT-i engine and is experiencing a severe misfire. They noted that disconnecting any...
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BMW Won't Start - No Crank, Electrical Systems Functional
unknown BMW unknown
The vehicle was starting and running well but then began stalling and experiencing erratic RPMs for a few days. Restarting would temporarily resolve t...
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Timing Belt and Water Pump Replacement Recommendation
1998 Dodge Neon
The owner recently purchased a 1998 Dodge Neon coupe with a 2.0L DOHC engine. It has 69,593 miles now, having increased from 67,108 miles since purcha...
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Honda Accord Acceleration and Stalling Issue
2000-2005 Honda Accord
The owner reports that their Honda Accord has difficulty accelerating from a stop. While backing out of a parking space is fine, shifting into drive c...
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2003 Dodge Dakota RPM Fluctuation Diagnosis
2003 Dodge Dakota
The owner reports experiencing RPM fluctuation while driving, without any loss of engine power. The RPM fluctuates at any speed, and hitting bumps cau...
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2001 Ford F-150 Oil Temp Light Issue
2001 Ford F-150
The owner recently drove over a rough patch due to bad weather and after returning home, noticed the Oil Temp light illuminated and the oil pressure g...
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1993 Buick Regal No Go - Engine Performance Issue
1993 Buick Regal
The owner describes a significant engine performance issue with their 1993 Buick Regal equipped with a 3.1L multi-port fuel injection engine. The vehi...
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1992 Oldsmobile 98 Starter Not Engaging
1992 Oldsmobile 98
The owner reports that their 1992 Oldsmobile 98 won't start at all. When the ignition is turned on, there are no sounds from the starter—no clicking o...
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2007 Chevy Equinox Engine Sputter Diagnosis
2007 Chevrolet Equinox
The owner reported that their 2007 Chevy Equinox started to sputter when accelerating, particularly noticeable at speeds between 45-50 MPH. The sputte...
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1990 GMC Suburban 1500 Won't Start
1990 GMC Suburban 1500
The owner replaced the battery in their 1990 GMC Suburban 1500 but upon attempting to start the vehicle, there was no power at all. The lights, radio,...
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2002 Nissan Sentra 1.8 Starts but Idles with No Power
2002 Nissan Sentra
The owner reports that their 2002 Nissan Sentra 1.8 starts but immediately idles roughly and has no power when accelerating. Despite recent replacemen...
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1998 Buick Regal Bumpy Start and Antifreeze Leak
1998 Buick Regal
The owner reports a bumpy start-up issue with their 1998 Buick Regal and an antifreeze leak. They have to refill the coolant periodically, though ther...
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1987 BMW 325 No Start in Morning
1987 BMW 325
The owner reports that their 1987 BMW 325 with a 2.7L M30 engine will not start in the morning, just cranking repeatedly without firing. There are no ...
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1980 Pontiac Firebird Won't Start After Alarm Installation
1980 Pontiac Firebird
The owner reports that their 1980 Pontiac Firebird won't start after an alarm system was installed. They mentioned that while fuel can be sprayed into...
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1989 Mercedes Benz 300SL Intermittent Hot Start Issues
1989 Mercedes Benz 300SL
The owner reports intermittent hot starting issues with their 1989 Mercedes Benz 300SL. The problem occurs mainly after the vehicle has been driven an...
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1992 Mercedes Benz 560SEL Power Loss and Gauge Fluctuation
1992 Mercedes Benz 560SEL
The owner reports experiencing power loss in their 1992 Mercedes Benz 560SEL, accompanied by fluctuating meter readings on the dashboard. These sympto...
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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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Ignition Coil B Location Inquiry for 2007 Lexus RX350
2007 Lexus RX350
The owner of a 2007 Lexus RX350 is inquiring about the location of ignition coil B, specifically for cylinder #2, after receiving a check engine light...
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Page 27 of 38 - Showing automotive fault analysis cases