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.
Browse by Specific Problem
1999 Oldsmobile Intrigue Turn Signal Failure Diagnosis
1999 Oldsmobile Intrigue
The front turn signals on a 1999 Oldsmobile Intrigue have stopped working. The owner replaced both front bulbs, but the issue persists. When the turn ...
View Analysis →
2004 Toyota Corolla A/C Moisture Issue Diagnosis
2004 Toyota Corolla
The owner reports sudden moisture coming from the A/C vents of their 2004 Toyota Corolla, particularly during operation in high temperatures. The mois...
View Analysis →
1995 Pontiac Grand Am V6 Power Loss and Stall Issue
1995 Pontiac Grand Am
The owner reports that the 1995 Pontiac Grand Am V6 experiences power loss and stalling, particularly noticeable in the morning after driving about a ...
View Analysis →
1998 Ford Windstar Inspection Fail Diagnosis
1998 Ford Windstar
The owner took their 1998 Ford Windstar to a VIP inspection and received several trouble codes: P0455 (evap leak), P0430 (catalytic converter bank 2),...
View Analysis →
1997 Mazda 626 Acceleration Issue Diagnosis
1997 Mazda 626
The owner reported a significant decrease in power during a road trip after three hours of driving. The engine was at normal temperature with no other...
View Analysis →
Intermittent Starting Issues with 2000 Pontiac Grand Am
2000 Pontiac Grand Am
The owner reports that their 2000 Pontiac Grand Am, equipped with a 2.4L engine, drove home fine but failed to start the next day. The vehicle backfir...
View Analysis →
1996 Subaru Outback Won't Start When Hot
1996 Subaru Outback
The owner of a 1996 Subaru Outback with 175,000 miles reports that the vehicle starts reliably when cold. However, after multiple stops and starts dur...
View Analysis →
Volvo S80 T6 Timing Belt and Cam Seal Replacement
1999-2006 Volvo S80 T6
The vehicle owner downloaded instructions for changing the cam seals and timing belt on a 1999-2006 Volvo S80 T6 with twin turbos and VVT systems. How...
View Analysis →
Compatibility of Buick 350 Heads for Big Block Motor
unknown Buick 350
The owner is inquiring whether regular 350 cylinder heads can be fitted onto their big block Buick 350 motor. They have been misinformed about the eng...
View Analysis →
2004 Chevrolet Aveo Timing Replacement Concerns
2004 Chevrolet Aveo
The owner of a 2004 Chevrolet Aveo replaced the timing kit at 58,000 miles, which is before the recommended maintenance interval of 60,000 miles. They...
View Analysis →
2003 Volkswagen Passat Rough Idle Diagnosis
2003 Volkswagen Passat
The owner reports a rough idle in their 2003 Volkswagen Passat 1.8T AWM engine with 126,000 miles, occurring a few minutes after starting the engine. ...
View Analysis →
Toyota Hilux Surf Cranks but Doesn't Start
1990-1997 Toyota Hilux Surf SSR-G
The owner reports that their Toyota Hilux Surf SSR-G cranks but does not start, despite having replaced the batteries with two new ones and installing...
View Analysis →
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...
View Analysis →
2003 Ford Focus zx3 2.3L A/C Load Misfire Diagnosis
2003 Ford Focus zx3
The owner reports that their 2003 Ford Focus zx3 with a 2.3L engine cuts out when the air conditioner is turned on, although it does not stall. The ch...
View Analysis →
2000 Acura Integra Throttle Cable Grounding Issue
2000 Acura Integra
The owner of a 2000 Acura Integra reports issues after an engine swap. When turning the key, the RPMs spike to 8, and the throttle cable heats up, pre...
View Analysis →
2002 Chevrolet Silverado Died on the Road Diagnosis
2002 Chevrolet Silverado
The owner reported that their 2002 Chevrolet Silverado stalled unexpectedly while driving. After checking, the fuel pump was found to have 60 PSI pres...
View Analysis →
2004 Kia Sorento Will Not Start After Sensor Replacement
2004 Kia Sorento
The owner of a 2004 Kia Sorento replaced the crankshaft position sensor but now the engine won't start, just turns over without firing. The coolant is...
View Analysis →
Hesitation during acceleration on 65 Chevy Impala
1965 Chevrolet Impala
The owner has a 1965 Chevy Impala with a 283 engine and a Rochester 2G carburetor. After a recent carb rebuild, the vehicle runs perfectly at idle and...
View Analysis →
Page 35 of 47 - Showing automotive fault analysis cases