Traditional gasoline car fault

1999 Honda Civic EX Check Engine Light On: PO141 & PO135 Codes Explained

My daughter drives a 1999 Honda Civic EX, and the check engine light has been on for about one month. Approximately one month ago, I replaced both the upper and lower oxygen sen...

Honda Civic 1999 EX | P0171

1996 Pontiac Sunfire P0300 and P0172: Multiple Cylinder Misfire and System Too Rich Diagnosis

I'm experiencing both P0300 (Multiple Random Cylinder Misfire) and P0172 (System Too Rich) on my 1996 Pontiac Sunfire. The check engine light came on, and after a diagnostic sca...

96 Pontiac Sunfire | P0172

1997 Ford Ranger Fault Codes P0153, P0171, P0172, P0401, P1443, P0302: Diagnosis and Fixes

I'm experiencing multiple OBD-II fault codes on my 1997 Ford Ranger: P0153, P0171, P0172, P-0401, P1443, and P0302. I need guidance on where to start troubleshooting. - P0153: ...

1997 Ford Ranger | P0153

Silverado running rich at idle

I have a 1996 Chevy Silverado PU with a 5 L V8. Recently put in a Jasper long block. Have about 5K miles on it and am having lots of issues with rough running when warm. When co...

Silverado | P0171

Mazda 626 2.0L - P0303 and P0172 Codes: Intermittent Rough Idle & Acceleration Hesitation

I'm experiencing both P0303 (cylinder 3 misfire) and P0172 (rich air-fuel mixture) codes on my Mazda 626 2.0L engine. Symptoms include intermittent rough idle and a growing hesi...

mazda 626 | P0172

P0172 Fault on 2000 Honda Odyssey: Diagnosis and Common Causes

I'm experiencing intermittent Check Engine (CE) and TCS light activation on my 2000 Honda Odyssey. The vehicle exhibits random 'bumps' during driving, which may indicate a misfi...

2000 Honda Odyssey | P0172

2003 Chevrolet Cavalier P0172 and P0622 Codes: Won't Start, Fuel Trim Rich, Generator Circuit Issue

My 2003 Chevrolet Cavalier (2.2L 4-cylinder ECOTEC engine with dual overhead cam) will crank but won't start. The onboard diagnostic system is showing two error codes: P0172 - F...

2003 Chevy Cavalier | P0172

2001 Chrysler Neon P0132, P171, and P106 Codes - What Do They Mean? Diagnosing O2 Sensor and MAP Sensor Issues

Hi everyone, I'm currently troubleshooting several check engine light codes on my 2001 Chrysler Neon 1.6 SE. The issues are as follows: - P0132: This code appeared after washin...

Chrysler Neon 2001 | P0135

2003 Ford Explorer with PO172 Code: What to Replace and Fix?

I recently purchased a 2003 Ford Explorer with a V6 engine. About three weeks ago, the check engine light came on. I took it to AutoZone, which detected code PO172. The vehicle ...

03 EXPLORER | P0172

P0172 Error in 1998 Chevrolet Cavalier: Diagnosis and Fixes for Poor Engine Performance

I'm experiencing serious issues with my 1998 Chevrolet Cavalier, specifically the P0172 diagnostic trouble code. The car struggles to maintain speed—only reaching about 30 mph o...

98 chevy cavalier | P0172

P0172 Fault on 1995 Blazer: Diagnosis and Solutions for Rich Fuel Condition

I frequently encounter the P0172 diagnostic trouble code on my 1995 Chevrolet Blazer. The Check Engine Light appears intermittently, turning off after 3 to 5 restarts, then reap...

95 Blazer | P0172

99 Dodge Caravan P0132, P0138, P0172 Fault Codes: Fuel Pressure and Sensor Diagnostics

The fuel pressure at the fuel rail could be a contributing factor to the P0132, P0138, and P0172 fault codes in a 1999 Dodge Caravan. These codes indicate issues with oxygen sen...

99 Dodge Caravan | P0132

99 Dodge Caravan - P0132, P0138, P0172....

I have a 99 Dodge Caravan Sport van, 3.3 L about 80K miles and I can't seem to shake the O2 codes. The engine is definitely running rich.. it smells bad...! It idles very rich (...

99 Dodge Caravan | P0132