Traditional gasoline car fault

2013 Kia Optima EVAP System Leak Detected - What Does This Mean and How to Fix It?

The error message 'Evaporative Emission System Leak Detected' in a 2013 Kia Optima indicates that the vehicle's evaporative emission control system has identified a leak. This s...

2013 Kia Optima | P0440

What Does P0121 Mean in a 2015 Chevrolet Tahoe? Understanding the Fault Code

I'm experiencing a P0121 diagnostic trouble code in my 2015 Chevrolet Tahoe. This code indicates an issue with the throttle position sensor (TPS) or related circuitry. Possible ...

2015 Chevrolet Tahoe | P0121

P2188 Diagnostic Code on 2012 Kia Sorento: Persistent Engine Misfire and Hard Starting Issues

Hi everyone, I'm facing a persistent issue with my 2012 Kia Sorento that has been ongoing for over a year. The vehicle is showing a diagnostic code P2188 (Exhaust Gas Recirculat...

2012 Kia Sorento | P9218

P0031 and P0051 Fault Codes on 2005 Toyota Sienna: Diagnosis and Explanation

Hello! This is my first time using an OBD-II diagnostic machine, so I attempted to scan my 2005 Toyota Sienna and found fault codes P0031 and P0051. I'm looking for clear explan...

2005 Toyota Sienna | P0031

2018 Silverado DTC P2138 - Stranded 3 times so far...

Replaced the accelerator pedal w/sensor the first time. Replaced the ECM the second time. Now what? Replace the throttle body and its sensors? any help?

2018 Silverado | P2138

P0340 Camshaft Position Sensor Fault - 2004 Ford Focus 2.0L Zetec Engine Diagnosis and Solutions

Hi everyone, I'm new here and recently experienced a return of the P0340 camshaft position sensor fault on my 2004 Ford Focus with a 2.0L Zetec engine. This issue first appeared...

2004 Ford Focus | P0340

P0340 Fault Prevents Starting - 2008 Chevrolet Impala 3.9L Engine

I recently completed a timing adjustment on my 2008 Chevrolet Impala 3.9L engine due to previous issues with misfiring. After the adjustment, the vehicle will not start and has ...

2008 Chevy Impala | P0340

2007 Mercedes S550 P0461 Fault: Engine Dies in Drive or Reverse After Starting

My 2007 Mercedes S550 is displaying a P0461 diagnostic trouble code. The vehicle starts normally but immediately stalls when shifted into drive or reverse. This issue occurs con...

2007 Mercedes S550 | P0461

2002 Chevy Blazer P0300 Multiple Misfires: Diagnosis and Exhaust Back Pressure Solution

I own a 2002 Chevrolet Blazer that is experiencing severe performance issues. The vehicle runs very poorly, stalling at around 1.5K RPM and failing to move down the road. It con...

2002 Blazer | P0300

Nissan Sentra 2007 P0300 and P0420 Codes: Causes, Fixes, and Cost Estimates

Hello everyone! I'm new to this forum and only know how to change oil when it comes to car maintenance. Recently, I bought an OBDII scanner and discovered two persistent trouble...

Nissan Sentra | P0300

1997 Pontiac Sunfire P0325 Code Reappears After Knock Sensor Replacement - Troubleshooting Guide

I recently purchased a 1997 Pontiac Sunfire with 125,000 miles on the odometer. Upon inspection, it had two existing trouble codes: P0300 and P0325. I replaced the original Cham...

97 Sunfire | P0329

2017 Chrysler Trans Am 5.7L Engine P0335 and P0336 Fault - Crankshaft Position Sensor Issues

I own a 2017 Chrysler Trans Am with a 5.7L V8 engine. The check engine light activates and displays both fault codes P0335 and P0336. I recently replaced the crank position sens...

Trans Am | P0335

2003 Santa Fe P0340, P1116, P0100 Fault Codes - Engine Stalls After Sensor Replacements

Hi everyone, I'm facing a persistent issue with my 2003 Santa Fe and would appreciate clear explanations on what's actually wrong. I've been using an OBD-II cable from Delphi D...

Santa Fe | P0100

2014 Chevrolet Silverado 3500HD No Boost - DTC P0281, P0284, P262B, U0198 After Turbo Replacement

I recently replaced the turbocharger on my 2014 Chevrolet Silverado 3500HD. After installation, I have confirmed no leaks and all connections are secure. However, I am experienc...

2014 Chevrolet Silverado 3500HD | P0281

2008 Mercedes-Benz C300 U0101 Fault: No Gear Shift, Lost Communication with Transmission Control Module

My 2008 Mercedes-Benz C300 is not shifting into any gears. The odometer display shows no errors, and the engine runs normally. When I tried to start the car this morning, it rem...

2008 Mercedes Benz C300 | U0101

How to Fix B0091-00 SRS Fault Code on 2009 Silverado 3500HD - Step-by-Step Diagnosis

What should I check to repair the B0091-00 SRS fault code on my 2009 Chevrolet Silverado 3500HD? The B0091-00 code indicates an issue with the front impact sensor, specifically ...

2009 Silverado | B0091

2003 Nissan Altima P0507 Throttle Relearn Issue: How to Fix After Throttle Body Replacement

My 2003 Nissan Altima is displaying fault code P0507 after replacing the throttle body. I've tried performing a throttle relearn using an OBD2 scanner, but the process fails rep...

2003 Nissan Altima | P0507

P0755 Fault Diagnosis for Chrysler Pacifica 4.0L Transmission - Location of Shift Solenoid?

I'm trying to locate the shift solenoid in my Chrysler Pacifica with a 4.0L engine. I can't find where it's installed—does it sit inside or outside the transmission? Any detaile...

Chrysler Pacifica | P0755

2002 3.4 Impala code P0336

I got the code p0336 in my '02 3.4 Imapala NOT 3.8 which means I got 2 CKPs I dont know which one is bad. Problems are that my car wont start if i dont disconnect the battery fo...

2002 3.4 Impala | P0336

2004 Mazda6 P0421 Fault Code: Causes and Solutions for Catalytic Converter or Oxygen Sensor Issues

I own a 2004 Mazda6 with an automatic transmission, and I've recently received the P0420 diagnostic trouble code. As someone with limited car knowledge, I'm looking for clear gu...

2004 Mazda 6 | P0421