Sensor Problems Analysis Cases
Comprehensive analysis of automotive sensor failures including oxygen sensors, temperature sensors, and more.
2000 GMC Jimmy Fuel Pressure and MAF Sensor Diagnostics
2000 GMC Jimmy
The owner of a 2000 GMC Jimmy is experiencing issues with fuel pressure readings at the schroeder valve, measuring 47 PSI with the key on and 50 PSI w...
View Analysis →
1996 Toyota Camry Backfiring Diagnosis
1996 Toyota Camry
The owner recently reassembled the engine after fixing the transmission. The car started backfiring, and while the timing belt is correctly installed,...
View Analysis →
1998 Cadillac STS Intermittent Check Engine Light Issue
1998 Cadillac STS
The owner has been experiencing an intermittent check engine light on their 1998 Cadillac STS for over a year. They report that the vehicle shows code...
View Analysis →
1989 Toyota Corolla Cooling Fan Constantly On
1989 Toyota Corolla
The owner reports that the cooling fan is running constantly from the moment the engine starts, even when cold. Additionally, a check engine light has...
View Analysis →
2001 Hyundai Accent Hard Start and Rough Idle Diagnosis
2001 Hyundai Accent
The owner reports that the 2001 Hyundai Accent has difficulty starting and exhibits a rough idle when cold. The problem occurs primarily in the mornin...
View Analysis →
2002 Saturn SL1 Check Engine Light Diagnostics
2002 Saturn SL1
The owner of a 2002 Saturn SL1 reports that after changing the spark plugs and wires, the check engine light stayed off for three weeks. However, afte...
View Analysis →
1999 Honda Accord Speed Sensor Diagnostic Analysis
1999 Honda Accord
The owner of a 1999 Honda Accord with a F18B SOHC VTEC engine is experiencing speed sensor issues. Symptoms include erratic speedometer readings and p...
View Analysis →
1996 Ford Escort Electric Fan Not Working
1996 Ford Escort
The owner reports that the electric cooling fan on their 1996 Ford Escort LX 1.9L is not functioning, leading to engine overheating issues. Previous r...
View Analysis →
1997 BMW 540i Engine Shakes and Misfires at Idle
1997 BMW 540i
The owner reports that their 1997 BMW 540i runs roughly at idle and occasionally experiences the same issue at highway speeds. The check engine light ...
View Analysis →
1996 Chevy Cavalier Idling Issues After Warm-Up
1996 Chevrolet Cavalier
The owner describes that the 1996 Chevy Cavalier with a 2.2 OHV engine starts and idles normally until it warms up. Once it enters closed loop operati...
View Analysis →
2001 Lincoln Town Car Engine Hesitation at 40-45 mph
2001 Lincoln Town Car
The owner reports that the 2001 Lincoln Town Car's engine hesitates or misfires specifically at speeds between 40 and 45 mph. The issue arises only du...
View Analysis →
2003 Ford F-150 EGR Valve and Lean Codes Diagnosis
2003 Ford F-150
The owner reports a 2003 Ford F-150 with a 4.6L V8 engine experiencing recurring P0171 and P0174 trouble codes. The engine idles roughly at normal tem...
View Analysis →
1996 Ford Taurus Engine Light After Cam Sensor Replacement
1996 Ford Taurus
The owner reports that the check engine light illuminated after replacing both cam sensors on their 1996 Ford Taurus. Despite the replacement, the tro...
View Analysis →
1999 Dodge Intrepid Engine Stops Intermittently
1999 Dodge Intrepid
The owner reports that their 1999 Dodge Intrepid engine stops unexpectedly while driving. It shuts off without warning, and after replacing the ASD re...
View Analysis →
2000 Hyundai Accent Engine Performance Issue
2000 Hyundai Accent
The owner of a 2000 Hyundai Accent reports that the vehicle frequently revs up unexpectedly, causing erratic engine performance. This issue tends to o...
View Analysis →
1999 GMC Sierra Acceleration Problems and Diagnostics
1999 GMC Sierra
The owner reports that their 1999 GMC Sierra is experiencing acceleration issues. When the gas pedal is pressed, the vehicle sputters and backfires, b...
View Analysis →
2000 Chevy Malibu EGR Valve Position Sensor Issue
2000 Chevrolet Malibu
The owner has a 2000 Chevy Malibu experiencing an EGR valve circuit malfunction, indicated by the persistent P0405 code. After replacing the EGR valve...
View Analysis →
1995 Toyota Truck 22RE Oxygen Sensor Diagnostics
1995 Toyota Truck
The owner recently purchased a 1995 Toyota Truck with a 22RE engine and 105,000 miles. The check engine light has been illuminated since the previous ...
View Analysis →
Page 8 of 9 - Showing specific automotive problem analysis cases