Traditional gasoline car fault

2003 Mercury Grand Marquis P1406 and P0355 Codes: Surging and Rough Idle Diagnosis

My 2003 Mercury Grand Marquis with a 4.6L engine is experiencing surging during acceleration and rough idle. The vehicle has triggered two diagnostic trouble codes: P1406 (EGR s...

2003 Mercury Grand Marquis | P0355

97 Camaro 3800 Engine P1406 EGR Valve Pintle Position Circuit Fault After Replacement

I've been experiencing the P1406 fault code related to the EGR valve pintle position circuit on my 1997 Camaro with a 3800 engine. After replacing the EGR valve, the code return...

97 Camaro | P1406

2003 Ford F150 Fault Codes P1000, P1260, P1406: Causes and Fixes

What steps should be taken to resolve the fault codes P1000, P1260, and P1406 on a 2003 Ford F150? These diagnostic trouble codes indicate specific issues that require attention...

2003 F150 | P1000

2002 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 | P0172

97 Camaro V6 Error codes P0123 P0118 P1406

I own a 97 Camaro V6 3800 series 2 automatic transmission. My car sat for a year then i got it running changed all fluids, and had my SES light on. I read the codes and got in o...

97 Camaro V6 | P0118

1996 Chevrolet C15 350 Engine - P0157, P1406, P1860 Fault Code Diagnosis and Fixes

Vehicle: 1996 Chevrolet C15 35-0 Engine Fault Codes: P0157, P1406, P1860 Seeking expert advice on diagnosing and resolving these OBD-II fault codes in a 1996 Chevrolet C15 with ...

95 Chev | P0157

1996 Chevy 1500 P1406, P0101, P0102 Diagnostic Update: EGR and MAF Issues

Thank you to everyone who responded to my earlier post. I've taken several steps to troubleshoot the persistent issues on my 1996 Chevy 1500: - I blew air into the EGR ports, w...

1996 Chevy 1500 | P0101

1996 Chevy 1500 P1406 P0101 P0102 Fault Diagnosis: EGR Valve Issues & MAF Code Causes

I own a 1996 Chevrolet 1500 with 150,000 miles and am currently experiencing the following OBD-II diagnostic codes: P1406, P0101, and P0102. I recently installed a used EGR valv...

1996 Chevy 1500 | P0101

2001 Ford Windstar P0401, P0171, P0174, P1406 - Diagnosis and Fixes

I own a 2001 Ford Windstar and am currently troubleshooting several diagnostic trouble codes: P0401 (Exhaust Pressure Regulator Malfunction), P0171 (System Too Lean Bank 1), P01...

2001 ford windstar | P0171

96 Riviera DTC P1406

I am trying to figure this code out but am having no luck. I have tried 3 different egr valves and the SES light comes on every time telling me egr valve pintle position error. ...

96 Riviera | P1406

1999 Mercedes E250 OBDII Code P1406: Diagnosis and Fix for Lean Bank Condition

I recently encountered a persistent OBDII diagnostic code P1406 on my 1999 Mercedes-Benz E250. Two years ago, I noticed black smoke coming from the exhaust, which led me to susp...

1999 E250 | P1406

2002 Mercury Cougar 2.5L V6: P1401 and P1406 Error Codes Explained - Fix with DPFE Sensor Replacement

I own a 2002 Mercury Cougar with a 2.5L V6 engine, currently at 76,000 miles. My OBD-II code reader is showing two error codes: P1401 (EGR Evp) and P1406 (High Voltage). I'm try...

Mercury Cougar | P1401

1997 Chevrolet 4x4 P1406 Fault: EGR Valve Position Circuit Issue and Engine Stalling

My 1997 Chevrolet 4x4 with a 350 engine died last night. Just before it shut off, the service light came on. The truck was towed home. I checked spark (present) and fuel pressur...

1997 chevrolet truck | P1406

P0300 and P1406 Error Codes on 1995 Chevrolet Blazer: Diagnosis and Fixes

I own a 1995 Chevrolet Blazer with two persistent error codes: P0300 (Random/Multiple Cylinder Misfire Detected) and P1406 (Manufacturer Control Auxiliary Emission Controls). Th...

95 Blazer | P0300

P1406 Fault in 1995 Blazer 4.3L Engine: EGR Valve Carbon Buildup and Noise Solutions

I'm experiencing a recurring issue with my 1995 Blazer 4.3L engine, specifically fault code P1406 related to the EGR valve. I've noticed small pieces of carbon accumulating insi...

95 Blazer 4.3 | P1406

1995 Blazer P1406 EGR Position Sensor Fault - Running Rough & Converter Rattling

I have a 1995 Blazer that has started running poorly. It previously had a persistent P0300 random cylinder misfire since I purchased it in November, but last week it began showi...

95 Blazer | P1406

P1406 OBD2 Error Code Explanation and Fix for 1996 GMC 350 4x4 with Auto Transmission

I own a 1996 GMC 350 4x4 with automatic transmission, stock setup. My vehicle is currently displaying a P1406 OBD2 diagnostic error code. I'd like to understand what this code m...

GMC Truck | P1406