Traditional gasoline car fault

PO305, PO101, PO420 Fault Diagnosis - 1997 Chevrolet Tahoe | How to Fix Misfire & MAF Issues

Hi everyone, I'm Tom and I recently purchased a 1997 Chevrolet Tahoe with persistent check engine light issues. The vehicle is showing three diagnostic trouble codes: PO305 (Cyl...

1997 Tahoe | P0101

P0101 OBD2 Diagnostic Code on 2004 Chevrolet Silverado 2500HD: Causes and Explanation

A 2004 Chevrolet Silverado 2500HD owner reports the appearance of OBD2 fault code P0101 during a highway trip at 60 mph while towing a fifth wheel. The Check Engine light activa...

2004 Chevy Silverado 2500HD | P0101

2001 Pontiac GP 3.8L Engine Stalls with P0101 MAF Code - Diagnosis and Solutions

I'm experiencing a recurring engine stall issue on my 2001 Pontiac GP 3.8L, specifically when driving at highway speeds (70 mph) or cruising at lower speeds (35-50 mph). The veh...

2001 Pontiac GP | P0101

2002 Pontiac GPX 3.8L Troubleshooting: P0172, P0101, and P0103 Fault Codes - Rough Idle, Stalling Issues

Hello, I'm experiencing persistent rough starting, rough idle, and stalling problems with my 2002 Pontiac GPX 3.8L. After reviewing the P0172 diagnostic information, I've been s...

2002 Pontiac GPX | P0101

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

P0101 Fault in 2003 Chevrolet 2500HD 6.0L Diesel: Symptoms, Diagnostics & Fixes

My 2003 Chevrolet 2500HD 6.0L diesel truck triggered code P0101 this morning while I was driving to work. After clearing the code during lunch and replacing the air filter, the ...

chevy 2500hd | P0101

P0101 and P0422 Fault Codes on 2001 Kia Rio: Causes and Solutions

I recently encountered P0101 and P0420 fault codes on my 2001 Kia Rio. After clearing the codes multiple times, they returned alongside P0422. I replaced the air filter, which t...

2001 Kia Rio | P0101

1998 Chevrolet Silverado 6.5 Diesel P0101, P0401, P0236, P1409 Emissions Fault Codes - Diagnosis and Fixes

I own a 1998 Chevrolet Silverado 6.5L diesel engine and am currently experiencing persistent diagnostic trouble codes: P0101 (Mass Airflow Sensor Malfunction), P0401 (Exhaust Ga...

98 chevrolet diesel | P0101

P0101 code on a 1999 Jetta TDI, sluggish, CEL showing

My CEL recently went on and at about the same time, my jetta started acting sluggish when excellerating. There is some hesitation when first taking off , as well. Having owned ...

1999 Jetta TDI | P0101

P0101 2000 oldsmobile intrigue 130k automatic 3.5 liters

I was driving home on the highway and the check engine light went on no symptoms or anything unusual. I checked the gas cap as I tanked in the morning but, this problem occured...

2000 Oldsmobile Insignia | P0101

P0101 P0107 P0430 P0420 Diagnosis and Fixes for 1996 Chevrolet Camaro LT1 with 6-Speed Transmission

I recently installed a new LT1 engine in my 1996 Chevrolet Camaro with a 6-speed transmission, but I'm consistently receiving the following OBD-II diagnostic codes: P0101, P0107...

1996 Camaro | P0101

P0300, P0131, and P0101 Diagnostic Issues on 1999 Pontiac Montana Van

I own a 1999 Pontiac Montana van and have recently started experiencing multiple OBD-II diagnostic codes: P0300 (random misfire), P0131 (oxygen sensor malfunction), and P0101 (m...

99 montana | P0101

GMC Jimmy P0101, P0173, P0174 Codes After MAF Sensor Replacement

I replaced the mass air flow (MAF) sensor about a week ago, but the check engine light returned with codes P0101, P0173, and P0176. The vehicle is showing a fuel system issue fo...

GMC Jimmy | P0101

2002 Pontiac Trans Am LS1 Misses Fire with P0300 and P0101: Open Circuit Fuel Overflow on Passenger Side

I own a 2002 Pontiac Trans Am with the LS1 engine. The vehicle is throwing fault codes P0300 (random misfire) and P0101 (mass air flow sensor circuit range/performance problem)....

LS1 | P0101

2003 Chevrolet Express 3500 6.0L - P0101 Code: Rough Idle in Cold Weather, MAF Cleaning Not Resolved

Hello, I own a 2003 Chevrolet Express 3500 6.0L diesel with 180,000 miles and has been well maintained. The issue I'm experiencing is that when the vehicle starts in cold weat...

03 chevy express | P0101

P0101 OBD2 Code on GMC Sierra 5.3L: No Idle, Rough Running Despite MAF Sensor Replacement

A P0101 trouble code appeared a few days ago on my GMC Sierra 5.3L engine. The truck will not idle and runs very roughly. I replaced the Mass Air Flow (MAF) sensor with a factor...

GMC Sierra | P0101

1999 Chevy Silverado P0101, P0137, P0157, P0300 Troubleshooting - Engine Stalls & Loss of Power

Hi everyone! I'm looking for help with my 1999 Chevrolet Silverado 5.3L fuel-injected, automatic, 2-wheel-drive truck (130,000 miles). The vehicle occasionally stalls during mor...

1999 Chevy Silverado | P0101