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2006 Dodge Ram 4.7L Running Rough with P0172 and P0300 Codes After Car Wash
My 2006 Dodge Ram 1500 with a 4.7-liter engine has started running roughly and triggered the check engine light while driving, though it only appears after being washed. Prior t...
2006 Dodge Ram | P0172Ford F350 6.0L Engine Stalls in Gear with P0172 and P0175 Codes - Cold Start Issue
When I start the engine, everything runs fine initially. However, as soon as I shift into gear or apply throttle, the engine stalls, floods, emits a gasoline smell, and becomes ...
Ford F350 6.0L | P01722001 Pontiac Grand Am P0105, P0172, P0420, P0507 Diagnosis and Fix - Vacuum Hose Replacement Success
My 2001 Pontiac Grand Am is showing several trouble codes: P0105 (MAP sensor circuit malfunction), P0172 (too rich fuel mixture), P0420 (catalyst system efficiency below thresho...
2001 Pontiac Grand Am | P01052010 Chevy Malibu 2.4L Engine Code P0172: Causes and Solutions
Hello, I own a 2010 Chevrolet Malibu with a 2.4L engine that has recently triggered the P0172 diagnostic trouble code. The vehicle accelerates smoothly under normal conditions, ...
2010 Chevy Malibu | P01722005 Ford Five Hundred P0175, P0172, P0191, P0300, P0306, P0450 - Black Smoke, Jerking, Poor Power at Idle
My 2005 Ford Five Hundred is experiencing multiple OBD-II fault codes: P0175, P0172, P0191, P0300, P0306, and P0452. The vehicle hesitates to start and requires the accelerator ...
2005 Ford 500 | P01722005 Kia Sportage P0150, P0160, P0172 O2 Sensor Bank 2 Sensor 1 Fault - Yellow Residue Detected
My 2005 Kia Sportage LX with a 2.7L V6 engine (mileage: 230,000 km) is currently displaying OBD-II diagnostic codes P0150, P0160, and P0172. These codes relate to issues with th...
2005 Kia Sportage | P01501994 Buick Regal Check Engine and Coolant Warning Lights Stay On - OBD1 Diagnosis Help
I'm trying to pass a smog inspection on my 1994 Buick Regal, but both the Check Engine and Low Coolant warning lights remain illuminated. I've already disconnected the battery t...
1994 Buick Regal | P01712000 Mercury Cougar P0172 Code: Over-Fueling and Engine Dies Without Gas
I own a 2000 Mercury Cougar with a 2.5L V6 engine. I recently received a P0172 diagnostic code, indicating over-fueling in Bank 1. Despite replacing the MAF sensor, IAC valve, T...
2000 Mercury Cougar | P0172Fuel and Cooling Issues with P0172, P0650, P1258 on 1984 Jeep CJ7 with 5.3L Vortec Engine Swap
Hi everyone! I'm looking for help diagnosing some serious issues with my 1984 Jeep CJ7 that has a 2000 5.3L Vortec engine installed, along with a 9-inch Ford rear axle. The veh...
5.3L Vortec | P01722005 Kia Sedona P0172, P0175, P0302, P0510 - Misfire, Rich Mixtures & Idle Issues
My 2005 Kia Sedona is consistently showing fault codes P0172 (Rich Bank 1), P0175 (Rich Bank 2), P0302 (Cylinder 2 Misfire), and P0510 (Idle Air Control Circuit Malfunction). Th...
2005 Kia Sedona | P01722001 Chevrolet Silverado 1500 Z71 After Tune-Up: Multiple Engine Codes P0101, P0102, P0161, P0171, P0174, P0300, P1258, P1404, and P1637
After performing a tune-up on my 2001 Chevrolet Silverado 1500 Z71—replacing only the spark plugs and wires—I noticed a significant idle issue. The truck would initially idle ve...
2001 Chevrolet Silverado 1500 | P01712002 Ford Focus Zetec 2.0L Diagnosing P1406 and P0172 Fault Codes with Engine RPM Issues
My 2002 Ford Focus Zetec 2.0L vehicle runs normally most of the time, but occasionally experiences engine failure. When this occurs, the engine RPM spikes unexpectedly to around...
2002 Ford Focus Zetec 2.0lts | P0172Seat Ibiza 1.2 P0172 Code: Engine Light Flashes and Vibration When Cold Start
Hi, I recently performed a diagnostic test on my Seat Ibiza 1.2 and received the P0172 code, indicating a system too rich condition in Bank 1. Additionally, whenever I start dr...
Seat Ibiza | P01722010 Lincoln Navigator 5.4L Fuel Trim Codes P0172 & P0175: Cold Start Issues After Fuel Pump Replacement
My 2010 Lincoln Navigator with a 5.4L V8 engine recently had the fuel pump replaced. Since then, it has developed difficulty starting when cold and now logs persistent DTCs P017...
2010 Lincoln Navigator | P01722010 Chevrolet Suburban 5.3L Flex Fuel with P0172 and P0175 Codes - Rich Fuel Trim Diagnosis
My 2010 Chevrolet Suburban with a 5.3L flex-fuel engine is running smoothly and shows no drivability issues under normal conditions. However, when I clear the OBD2 codes, both P...
2010 Chev Suburban | P01721999 Nissan Maxima Power Wire Blinking and Knock Sensor Code: Diagnosis and Fixes
My 1999 Nissan Maxima is showing a blinking power (+) wire on the ignition coil and airflow meter while running, but not when the key is on and engine off. This intermittent bli...
1999 Nissan Maxima | P01711999 Honda Civic LX with P0170 and P0172 OBD2 Codes: Causes, Diagnosis, and Fixes
I recently purchased a 1999 Honda Civic LX with 160,000 miles on the odometer. The car runs well and has excellent fuel efficiency, but the check engine light came on unexpected...
1999 Honda Civic LX | P01702003 Trailblazer P0440, P0172, and P1345 Fault Codes - Is a $3050 Timing Chain Replacement Reasonable at 143,000 Miles?
I recently encountered multiple fault codes on my 2003 Chevrolet Trailblazer: P0440 (Evaporative Emission System Malfunction), P0172 (System Too Rich - Bank 1), and now P1345 (C...
2003 Trailblazer | P01721996 Silverado 5.7L Vortec Engine Fault Codes P0141, P0172, P0175, P0300, P0719 - Diagnosis and Solutions
I own a 1996 Chevrolet Silverado Z71 with a 5.7L Vortec engine. The vehicle is currently displaying the following diagnostic trouble codes: P0141, P0172, P0175, P0300, and P0719...
1996 Silverado | P0141