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1999 Mercedes E250 with P1401, P0401, and P0402 EGR Fault Codes - Need Diagnosis
I'm experiencing persistent EGR-related fault codes on my 1999 Mercedes-Benz E250: P1401, P0401, and P0402. I've already checked the basic components and can't identify the root...
99 E250 | P21772000 NO SPARK AND THE CODE P DONE COMES
Hi, we have a 2000 dodge durango and when you go to start it, it has no spark...and when you try to start it 3 times the code p done come up...can anyone help me with this? PL...
2000 | P2177Mazda 2000 626 P0400 and P0431 Trouble Codes Explained
I have a 2000 Mazda 626 2.5L engine with two diagnostic trouble codes: P0400 and P0431. I need help understanding what these codes mean and how to address them. Any guidance or ...
mazda 626 | P21771997 Ford Ranger Cam Sensor Circuit Fault (P0340) - Diagnosis After Replacing Sensor, PCM, and Wires
I recently encountered a persistent P0340 Cam Sensor Circuit Fault on my 1997 Ford Ranger. The issue started right after I replaced the timing belt and re-timed the engine. Desp...
97 Ranger | P21771999 Ford Ranger XLT 3.0L V6 4x4 OBD2 Code P0149 - Fuel Timing Issue Diagnosis
I own a 1999 Ford Ranger XLT with a 3.0L V6 engine, automatic transmission, and 4x4 drive. I recently received an OBD2 diagnostic code P0149 indicating a fuel timing issue. I'm ...
99 ranger | P21772004 Chevrolet Silverado 4.3L Engine P0135 and P0300 Code Issues - Troubleshooting Guide
My 2004 Chevrolet Silverado with a 4.3L V6 engine is showing two diagnostic trouble codes: P0135 and P0300. I've already replaced the spark plugs and ignition wires, and while t...
2004 chevrolet silverado | P2177P0420 CATALYTIC CONVERTER FAILURE IN 2000 GMC SIERRA 1500 - CODE EXPLAINED AND REPAIR OPTIONS
I visited Advance Auto Parts and received a diagnostic printout after the 'SERVICE ENGINE SOON' light illuminated on my 2000 GMC Sierra 1500 with a 5.3L engine. The truck has 18...
2000 GMC Sierra 1500 | P21772002 Toyota Corolla O2 Sensor Fault: Post-Replace Engine Shake and Stalling at 3000+ RPM - Check Engine Light Off After Repair
My 2002 Toyota Corolla (125,850 miles) has been well-maintained by me as a commercial aircraft mechanic. It ran smoothly until around 98,000 miles when the check engine light ca...
2002 Corolla | P21772000 Dodge Stratus EVAP Leak: How Common Are 442 and 455 DTCs After LDP Replacement?
The vehicle initially triggered a P0442 EVAP system leak code. A gas cap replacement did not resolve the issue. The mechanic then removed the fuel tank, replaced the Liquid Dete...
2000 Dodge Stratus | P21772001 Honda Prelude Running Rich - Nitrous Oxide Setup and Fuel System Issues
I'm currently running a 75-shot nitrous oxide setup on my 2001 Honda Prelude and planning to fully build the engine this summer to support a ported 100-150 shot of nitrous. Give...
2001 Honda Prelude | P21772001 Ford Expedition COPs Replaced - Now Showing P0182, P07E5, P0530 Error Codes? Help!
I recently replaced the coil-over-plugs (COPs) and spark plugs on my 2001 Ford Expedition. After installation, I tested the vehicle by flooring it from a stop. The SES light cam...
01 Expedition | P2177Daewoo Nubira 1998 Check Engine Light On: Error Code QDM and Transmission Issues
I own a 1998 Daewoo Nubira. When the 'Check Engine' light illuminates, the speedometer, kilometer meter, and power button stop working. The vehicle also fails to change gears pr...
Unknown | P2177Mazda Protege 2001 ES Airbag Warning Light Flashes Code 2-6 - OBDII Not Involved
The dashboard airbag warning light on my 2001 Mazda Protege ES (85,000 miles) intermittently flashes the code '2-6'. This occurs only occasionally and typically appears at start...
Mazda Protege | P21772004 Dodge Hemi RAM Truck: Troubleshooting OBD-II Codes 004, 032, 2314, and 4800 with Wiring Issues
I own a 2004 Dodge Hemi RAM truck and am currently dealing with six diagnostic trouble codes (DTCs). I'm familiar with two of them: Code 443 indicates a Purge Control Valve erro...
2004 Dodge Hemi RAM | P21772003 Dodge Ram 5.9L Gas Engine Misfire & Emission Codes: P0300, P0302, P0308, P0442, P0455 Explained
I recently purchased a code reader and discovered several trouble codes on my 2003 Dodge Ram 5.9L gasoline engine: P0300 (Random Multiple Cylinder Misfire Detected), P0302 (Cyli...
Dodge 5.9 | P21771999 GMC Jimmy V6 4.3L with P1902 and Multiple DTC Codes: Engine Hesitation, Brake Light On, Power Loss on Hills
I own a 1999 GMC Jimmy (4WD, SLE trim, V6 4.3L engine) with approximately 140,000 kilometers. The vehicle has recently developed several driving issues and I'm seeking help to d...
1999 GMC JIMMY | P217702 Vette Catalyst Monitor Not Ready: Causes and Fixes for Emissions Testing
What is the catalyst monitor, and what causes it to remain 'not ready' during emissions testing? The catalyst monitor is a function within the Powertrain Control Module (PCM) t...
02 vette | P21772000 Ford 7.3L Power Stroke: PO272/PO278/PO284/PO308 Codes and Injector Failure Diagnosis
The issue began with the 'water in fuel' warning light illuminating. I drained the fuel separator and replaced the filter, but the engine continued to run roughly. After attempt...
7.3L | P2177How to Fix P0440 Evap Emissions Malfunction in a 1999 Blazer (OBD2 Code Solution)
I'm looking for advice on diagnosing and fixing the P0440 OBD2 code on my 1999 Blazer. What should I check or try to resolve this evaporation emissions malfunction? Any reliable...
99 Blazer | P2177