Traditional gasoline car fault

P0404, P0490, P0190 & P0251 Fault Codes on 2003 Ford Mondeo 2.0 TDCI - Diagnosis and Solutions

Hi there, I own a 2003 Ford Mondeo (Europe) with a 2.0L TDci engine (115 PS), model codes HJBA or HJBB, having covered approximately 278,000 km. Recently, I've noticed inconsis...

ford mondeo 2.0 tdci | P0190

P0404 OBD2 Code on 1998 Chevrolet Blazer: EGR System Failure Diagnosis and Fixes

I recently received a P0404 diagnostic code from my 1998 Chevrolet Blazer, which indicates an 'EGR system failure' — specifically, either an open or short circuit in the EGR pos...

1998 Chevrolet Blazer | P0404

98 Blazer 4x4 4.3L Engine Fault: Code P0404 & P0420 Diagnosis and Solutions

I've completed extensive maintenance on my 1998 Blazer 4x4 with a 4.3L engine, including vacuum checks, new tune-up, air filters, intake manifold gaskets, and today replaced the...

Blazer 4x4 | P0404

P0404 Code in 1999 Chevrolet Silverado 5.3L: Diagnosis and Fixes After EGR Valve Replacement

New to the forum — hoping this is the right place to post. I own a 1999 Chevrolet Silverado with a 5.3L V8 engine, which continues to show the P0404 diagnostic trouble code alon...

Silverado | P0404

Mazda BT50 Turbo Diesel 2007 P0402 P0404 P2263 Fault Diagnosis and EGR Sensor Issues

I own a 2007 Mazda BT50 Turbo Diesel with 70,000 miles. After scanning the vehicle, I found three persistent fault codes: P0402 (EGR excessive flow at idle), P0403 (#2 EGR solen...

MAZDA BT50/FORD RANGER | P0402

2003 Pontiac Grand Am P0404 Code: EGR Circuit Open - Diagnosis and Fix Guide

I noticed my SES light came on while driving home yesterday. I visited Advance Auto to have the code scanned, and it returned a P0404 diagnostic trouble code. The description in...

2003 Pontiac Grand Am | P0404

2001 Buick LeSabre 3.8L V6 Repeated P1404 EGR Code After Four Valve Replacements - Diagnosis & Bench Testing Options

I own a 2001 Buick LeSabre with a 3.8L V6 engine. The vehicle has been consistently triggering the P1404 diagnostic trouble code (DTC), which indicates a pintle valve stuck open...

Unknown | P0400

2002 Grand Am 3.4L P0404 and P0300 Codes: Surging, Sputtering, and Random Misfires - Diagnosis and Solutions

I'm experiencing persistent drivability issues with my 2002 Grand Am 3.4L engine, specifically surging, sputtering under acceleration, and a complete lack of power when climbing...

2002 Grand Am | P0300

Where Is the EGR Valve on a 1998 Pontiac Grand Am 2.4L Engine?

Can anyone provide information about the location of the EGR valve on a 1998 Pontiac Grand Am equipped with a 2.4-liter engine? I'm trying to locate it for maintenance or repair...

PONTIAC 2.4 LITRE | P0400

1999 Chevy Suburban P0405 and P0404 Codes: Causes and Solutions

I'm experiencing recurring OBD2 fault codes P0404 (Exhaust Gas Recirculation Circuit Range/Performance) and P0405 (Exhaust Gas Recirculation Sensor A Circuit Low) on my 1999 Che...

1999 Chevy Suburban | P0404

1999 Chevrolet Camaro V6 Misfire Code P0301B and EGR Issue P0404 - Diagnosis and Fixes

My 1999 Chevrolet Camaro V6 with automatic transmission has reached 70,000 miles and is showing two OBDII diagnostic trouble codes: P0301B (cylinder 1 misfire) and P0400 (EGR co...

99 Camaro V6 | P0404

2001 Tahoe P0404 Code: Exhaust Gas Recirculation Circuit Range/Performance Explained

My OBD2 scanner detected a P0409 code on my 2001 Chevrolet Tahoe. After some research, I found that P0404 stands for 'Exhaust Gas Recirculation (EGR) Circuit Range/Performance'....

2001 tahoe | P0404

2005 Dodge Caravan P0404 Code: EGR Valve Range/Performance Issue - What Should I Do?

I have a 2005 Dodge Caravan with a 3.3-liter engine and am currently experiencing a persistent check engine light that won't turn off. The diagnostic trouble code displayed is P...

2005 dodge caravan | P0404

1998 GMC Sonoma SLS 4.3L Engine P0404 Code: Exhaust Gas Recirculation Issue Diagnosis and Repair Tips

Hello, I own a 1998 GMC Sonoma SLS with a 4.3L V6 engine, 4x4 automatic transmission, and over 150,000 kilometers on the odometer. Recently, I've noticed inconsistent engine be...

1998 Sonoma SLS | P0404

1999 Isuzu Amigo P0141, P0300, P0406, P1404, P1627 - Hesitation, Random Fuel Gauge Issues & Flashing Fuel Light

I own a 1999 Isuzu Amigo 2.2L 4-cylinder engine. The vehicle is showing multiple diagnostic trouble codes: P0141 (O2 Sensor Heater Circuit Malfunction), P0300 (Random/Multiple C...

isuzu amigo | P0141