Traditional gasoline car fault
Search fault code and browse forum case posts.
This page is designed for quick diagnosis on gasoline vehicles by combining code lookup with real discussion cases. Enter a fault code to filter related topics, then compare symptom context such as cold start behavior, acceleration load, fuel-trim deviation, ignition misfire pattern, and recent maintenance history. Many codes can be triggered by shared root causes, so use cross-checks from multiple posts before replacing sensors, coils, injectors, or catalytic components.
2010 Grand Caravan C121C: P0522, P1128, P0339, P0303, P0300 Fault Codes - Diagnosis & Solutions
I'm seeking help with a persistent engine issue on my 2010 Grand Caravan SXT (3.3L V6). The vehicle has been running poorly for approximately five months. I've already replaced...
2010 Grand Caravan | P03002006 Pontiac G6 P0700 and P1818: Transmission Slipping in 1st & 2nd Gear - PCM or Transmission Replacement?
My 2006 Pontiac G6 has been displaying multiple transmission-related codes, none of which were initially the P0700. After resolving all other codes, the vehicle continues to exp...
pontiac g6 | P07002005 PT Cruiser 2.4L Engine Dies with P0032 and P0038 Codes - No Restart Without Battery Disconnection
My 2005 PT Cruiser (2.4L, non-turbo) has developed a serious issue: the check engine light activates, followed by the vehicle stalling completely and failing to restart unless I...
2005 PT Cruiser 2.4 | P00321998 Ford Expedition XLT P1405 P0303 P0304 P0307 P0171 - Misfire and EVAP Code Diagnosis & Low-Cost Fixes
1998 Ford Expedition XLT with V8 5.4L engine, 237,160 km. I purchased this truck at an auction and noticed it hesitates and struggles to accelerate during driving. After reachin...
1998 Ford Expedition XLT | P01712000 Dodge Grand Caravan P0700 P0750 P0760 Transmission Codes and Limp Mode Issues
My 2000 Dodge Grand Caravan entered limp mode and I retrieved diagnostic codes P0700, P0750, and P0760. I replaced the overdrive shift solenoid assembly, and after that the chec...
2000 Dodge Grand Caravan | P07002003 Dodge Caravan P0700 Code: Diagnosis, TCM Issues, and Fix
My 2003 Dodge Caravan recently developed a check engine light issue. After scanning at AutoZone, I received codes P0700, P1698, and P0500. The vehicle will only move up to 50 mp...
2003 dodge caravan | P07001993 Ford Probe Code 25 and 16 Diagnosis: No Spark, Fuel Pump Issues
I own a 1993 Ford Probe 2.0L 4-cylinder automatic transmission model and am consistently encountering diagnostic trouble codes 25 and 16. Despite checking the ignition system—wh...
93 Ford Probe | P0160P0411 Diagnostic and Repair Guide for 2006 Buick Lacrosse
I'm looking for a detailed schematic and part location guide for the emissions system components on my 2006 Buick Lacrosse, specifically focusing on the EGR pump, solenoid, and ...
2006 Buick Lacrosse | P04112000 Mazda Miata P0300 Random Misfire Diagnosis and Fixes
First time posting — though I've been working on cars for 40 years, the P0300 random misfire code on my daughter's 2000 Mazda Miata remains challenging to diagnose. The car runs...
2000 Miata | P03002001 Pontiac Aztek P4099 Code: Common EVAP System Leak Diagnosis and Fix
I've taken my 2001 Pontiac Aztek to three different mechanics to resolve the persistent P4099 diagnostic trouble code, but none have been able to fix it. The technicians have al...
2001 Pontiac Aztek | P4099P2004 Fault Code in 2007 Dodge Caliber RT: Causes and Fixes
I own a 2007 Dodge Caliber RT with a 2.4L engine, and my vehicle is currently displaying the P2004 diagnostic trouble code. What does this code mean, and what steps should I tak...
dodge caliber rt | P2004Acura 3.5L RL 1998 | P1304, P1305, P1306, P0300, P1399 - No Signal to Cylinders 4, 5, 6 on Driver's Side
My 1998 Acura 3.5L RL is showing multiple OBD2 fault codes: P1304, P1305, P1306, P030-0, and P1399. The issue appears to be a lack of spark signal to cylinders 4, 5, and 6 on th...
Acura 3.5 RL | P03002001 Ford Ranger P1780 Transmission Code: Causes, Symptoms & Fixes for Vibration and Engine Miss
I own a 2001 Ford Ranger with a 3.0L LV6 engine (4x2 configuration) that is experiencing significant vibration and engine misfiring. The OBD2 scanner has detected a P1780 code: ...
2001 Ford Ranger | P17801988 Chevy C1500 Silverado 350 CID V8 No Spark After Restart - OBD2 Code Diagnosis
I recently acquired a 1988 Chevrolet C15
1988 Chevy Silvarado C1500 | C15002004 Jeep Wrangler 4.0 Engine P0432 Code: Low Fuel Efficiency and Power Loss
I own a 2004 Jeep Wrangler with a 4.0L engine and have recently noticed a significant drop in fuel efficiency and reduced power output. The vehicle has been displaying Diagnosti...
2004 Jeep Wrangler | P04322006 Dodge Stratus P0340 Code Returns After Cam Position Sensor Replacement
A week ago, my 2006 Dodge Stratus suddenly died unexpectedly. Initially, we replaced the ignition coil, but the issue persisted. The vehicle then displayed a P0340 diagnostic tr...
2006 Dodge Stratus | P03402008 Hyundai Santa Fe V6 P0464 Fault Code: Diagnosis and Repair Cost Analysis
Has anyone encountered Diagnostic Trouble Code P0464 on a 2008 Hyundai Santa Fe equipped with a V6 engine? If so, what is the correct diagnosis and repair process? I'm trying to...
2008 Hyundai Santa Fe | P04641998 Nissan Sentra O2 Sensor Failure: Causes, Wiring Issues & How to Prevent Frying New Sensors
Hello everyone, I'm reaching out for help diagnosing a recurring issue with my 1998 Nissan Sentra GXE 1.6L engine. I've been experiencing repeated O2 sensor failures and persis...
1998 Nissan Sentra | P01361996 Grand Am 2.4L Engine P0134 O2 Sensor Code Reappears After Replacement
My 1996 Grand Am with a 2.4L engine is consistently throwing a P0134 oxygen sensor code for Bank 1, Sensor 1. I've replaced the sensor twice and cleared the code using my OBD-II...
96 Grand Am 2.4 | P2177Practical workflow for fault-code troubleshooting
Start by confirming battery voltage and reading freeze-frame data, then inspect wiring and connectors before replacing parts. If the code returns after clearing, record the exact driving or idling condition when it reappears. Prefer case threads with complete repair feedback, because confirmed outcomes provide stronger guidance than one-time symptom descriptions. Following a step-by-step workflow reduces repeated repairs and lowers total diagnosis time.