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1998 Ford F150 P0174 and P0302/P0303 Codes: Rough Idle That Fluctuates When Engine Light Comes On
Hi, I own a 1998 Ford F150 with a V6 engine. Recently, I've been experiencing intermittent rough idling and engine misfires, accompanied by three diagnostic trouble codes: P0174...
1998 Ford F150 | P0300P0300 Fault Diagnosis for 1999 Nissan Maxima GLE - Random Misfire Explained
I own a 1999 Nissan Maxima GLE and recently had an OBD2 scan performed, which detected fault code P0300. Can someone please explain what this code means and how it affects the v...
1999 Nissan Maxima | P03002001 Chevrolet Suburban 1500 5.3L Engine P0300 Random Misfire: Fuel Pressure and ECM Reprogramming Issues
My 2001 Chevrolet Suburban 1500 with a 5.3L Vortec engine has suddenly developed a persistent random misfire, indicated by fault code P0300. The vehicle previously ran smoothly ...
Suburban 1500 | P03002002 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 | P03001996 Chevrolet K1500 Tahoe 5.7L Engine: P1345 and P0300 Codes - Dead Cylinder 1, Intermittent Misfire on Cylinder 8
I own a 1996 Chevrolet K1500 Tahoe with a 5.7L V8 engine. The truck was purchased without an original motor, and I installed a long-block engine. It starts reliably but exhibits...
96 Chevy K1500 Tahoe | P0300P0300 Misfire in 1996 S10 4.3L: Surging at Cruising Speed - EGR Valve Diagnosis?
I recently purchased a 1996 Chevrolet S10 with a 4.3L V6 engine and 162,000 miles. The truck was not running initially, and I discovered a shorted coil wire. I replaced the roto...
96 s10 4.3 | P0300P0171, P0300, P0306 Faults in 1997 Pontiac Grand Prix GTP with Supercharger: Symptoms After 15-Minute Drive Cycle
After purchasing the 1997 Pontiac Grand Prix GTP, I began experiencing recurring engine issues while driving home. The vehicle exhibits symptoms including loss of power, knockin...
97 Pontiac Grand Prix GTP | P01711998 Isuzu Amego Misfire and Red Hot Exhaust: Troubleshooting with OBD2 Code Details
Hello, I'm Mark and I own a 1998 Isuzu Amego. I'm experiencing a red hot exhaust pipe and a misfire code. I'm not sure which component is failing, so any advice would be greatly...
98 Isuzu | P03001998 Buick Skylark 3.1L P0300 Random Misfire with Idle Stalling and Rich Bank 1 Code
My 1998 Buick Skylark with a 3.1L engine is experiencing persistent issues including a P0300 random misfire and a previous PO172 code indicating a rich condition in bank 1. The ...
1998 Buick Skylark | P0300P0172 & P0300 Diagnosis: High Fuel Pressure Issues in 1996 Chevrolet Cavalier 2.2L
I've been troubleshooting my 1996 Chevrolet Cavalier 2.2L for several weeks now, experiencing persistent idle roughness and engine misfires indicated by DTCs P0172 (rich mixture...
1996 Cavalier 2.2L | P0172P0300 Random Misfire Code - 1999 Chevrolet 5.7L Suburban with 113k Miles
I own a 1999 Chevrolet Suburban with a 5.7L V8 engine and 113,000 miles. I've been experiencing a persistent P0300 random misfire code for several months. Initially, the misfire...
99 5.7 Suburban | P0300P0300 & P0304 Fault Codes: Is Ignition Coil Pack Replacement Necessary for 1999 VW Jetta GLS 2.8L VR6?
I'm experiencing fault codes P0300 and P0304 on my 1999 VW Jetta GLS 2.8L VR6. The dealership has recommended replacing the ignition coil pack. I'm trying to verify if this is i...
1999 VW Jetta GLS 2.8L VR6 | P0300GM Vortex P0300 Fault: Humidity-Related Engine Shutdown & Fuel Flow Issues
I'm experiencing a recurring issue with my GM Vortex van, specifically code P0300 (Random/Multiple Cylinder Misfire Detected). The problem has worsened over the past two weeks. ...
GM Vortex | P0300Chevrolet Avalanche 2002 P0300 Code: Possible Leaking Injector Diagnosis and Fuel Pressure Issues
My 2002 Chevrolet Avalanche has reached 90,000 miles. The engine starts smoothly when cold and has sat for at least 6 hours. However, when warm and after a 5-minute rest, it tak...
Chev Avalanche | P03002005 Chevrolet Silverado OBD2 Codes 0171, 0131, 0300, 1133: Lean Bank 1, O2 Sensor Issues, Misfire Diagnosis
Hello everyone, My 2005 Chevrolet Silverado has a check engine light activated with the following OBD2 diagnostic codes: - 0171: System too lean (Bank 1) - 0131: O2 sensor circ...
05 Silverado | P01311999 GMC Suburban P0300 Code: Rough Idle After Intake Manifold Replacement
Hello, I'm having trouble with my 1999 GMC Suburban that's showing a P0300 random misfire code. I've already replaced the spark plugs, ignition coil, cap, and rotor, but the eng...
99 Suburban | P0300P0300 P0302 P0303 1998 Toyota Tacoma Prerunner
Thanks in advance for all the help folks... I have a 1998 Toyota Tacoma Prerunner. It is the 4-cylinder model. 2 weeks ago it started shaking here and there, but not very notice...
1998 Toyota Tacoma Prerunner | P03002001 Chevy Silverado P0300 and P0430: Stumbling Engine, Noise from Bellhousing, Fuel System Diagnosis
I own a 2001 Chevrolet Silverado with 110,000 miles. The vehicle has been making a bolt-in-spinning-drum noise originating from the bellhousing area. Several people suggested it...
2001 Chevy Silverado | P03002001 Jetta GLS 1.8T Misfiring with P0300-P0304 and P0172/P0118 Codes
My 2001 Jetta GLS 1.8T is experiencing multiple misfire codes: P0300, P0301, P0302, P0303, and P0304 (all cylinders affected), along with P0172 (System Too Rich) and P0118 (Engi...
2001 Jetta GLS 1.8T | P03002000 Chevrolet Impala P0300 Random Misfire Code - Diagnosis & Solutions
I own a 2000 Chevrolet Impala and have already replaced the spark plugs, ignition wires, catalytic converter, flex pipe, and one of the ignition coils. I connected the OBD-II sc...
2000 chevrolet impala | P0300