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
Rear Brake Performance Issue Diagnosis
1996 Nissan 240SX
The owner recently had a safety inspection that revealed the front brakes are functioning well, rated at 120%, while the rear brakes barely passed at ...
View Analysis →
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...
View Analysis →
Honda Won't Rev or Move, Just Idles
unknown Honda unknown
The owner describes that their Honda starts and idles smoothly but does not rev up when the accelerator pedal is pressed. Despite attempts to give it ...
View Analysis →
1995 Saturn SL1 High Idle and Starting Issues
1995 Saturn SL1
The owner reports that the 1995 Saturn SL1 revs to 2500 RPM upon starting, then gradually slows down. The vehicle can only be started with the gas ped...
View Analysis →
Ignition Key Won't Turn Due to Steering Lock
2001 Saturn L100
The owner of a 2001 Saturn L100 experienced a situation at the gas pump where the ignition key would not turn. The steering wheel was locked with limi...
View Analysis →
High RPMs at Low Speeds on 2001 Nissan Xterra
2001 Nissan Xterra
The owner reports that their 2001 Nissan Xterra (4WD) experiences high RPMs at low speeds, reaching around 4,000 RPM while driving at 20 MPH. Previous...
View Analysis →
Honda Whining Noise During Acceleration After Service
unknown Honda unknown
The owner reports a high-pitched whining noise when accelerating after a 60,000-mile service where brake and transmission fluids were changed. The noi...
View Analysis →
1995 Chevrolet Tahoe Oil Leak Diagnosis
1995 Chevrolet Tahoe
The owner of a 1995 Chevrolet Tahoe is experiencing an oil leak that results in a small puddle of oil forming under the front axle after driving. The ...
View Analysis →
1998 Ford Ranger Persistent Idle and Power Issues
1998 Ford Ranger
The owner reports that their 1998 Ford Ranger with a 2.5L 4-cylinder engine idles roughly and exhibits low idle speeds, nearly stalling. After startin...
View Analysis →
Engine Stalls After Minor Collision
SE 4-door Jeep Cherokee
The owner reports that after a minor collision with another vehicle, their Jeep Cherokee SE 4-door starts but will not stay running unless the acceler...
View Analysis →
2004 Pontiac Aztek Starting Issue Analysis
2004 Pontiac Aztek
The owner recently purchased a 2004 Pontiac Aztek, which initially started without issues. Suddenly, it stopped starting, and when attempting to turn ...
View Analysis →
2001 Dodge Dakota RPMs Jumping During Driving
2001 Dodge Dakota
The owner has experienced an issue with their 2001 Dodge Dakota, where the RPMs jump by 200-300 RPM while cruising, regardless of whether cruise contr...
View Analysis →
2003 Ford Taurus Throttle Sticking Issue
2003 Ford Taurus
The owner of a 2003 Ford Taurus reported issues while driving from Ohio to North Carolina. After stopping for gas, the vehicle struggled to brake and ...
View Analysis →
2003 Chrysler Town and Country Fuel Issue Diagnosis
2003 Chrysler Town and Country
The owner reports difficulty starting their 2003 Chrysler Town and Country, requiring five cranks to start. They have noticed a shaking idle for some ...
View Analysis →
1995 Acura Integra Poor Acceleration After Radiator Replacement
1995 Acura Integra
The owner reports that their 1995 Acura Integra starts and idles normally but experiences severe lag when attempting to accelerate. The vehicle only r...
View Analysis →
Power Seat Opposite Operation Diagnosis
2010-2015 Dodge Grand Caravan
The owner installed front power seats from a Dodge Grand Caravan into their own van. When testing the passenger seat, connecting the power source corr...
View Analysis →
Nissan Immobilizer System Malfunction Diagnosis
unknown Nissan unknown
The vehicle won't start, and the owner reports that the red key immobilizer light is flashing. They attempted a reset tutorial for the Nissan immobili...
View Analysis →
2002 Ford Taurus No Crank Diagnostic Analysis
2002 Ford Taurus
The owner reports that their 2002 Ford Taurus will not crank, having replaced the fuel pump previously with no improvement. The theft light is not ill...
View Analysis →
Page 28 of 47 - Showing automotive fault analysis cases