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2003 Mitsubishi Diagnosing P0300 and P0660 After Fuel Assembly Replacement
Three months ago, I replaced the fuel assembly on my 2003 Mitsubishi due to a crack in the lid. Recently, without warning, my car suddenly lost power—now it will only go up to 2...
2003 Mitsubishi | P03002000 Ford Explorer P0741 and P0300 Codes: TCC Stuck Off and Random Misfire Diagnosis
I recently encountered two diagnostic trouble codes on my 2000 Ford Explorer: P0741 (TCC stuck off) and P0300 (random misfire). The issue occurs after driving in drive and overd...
2000 Ford Explorer | P0300P0135 P1682 P0300 Diagnosis and No Spark on Bank 1 in 2009 Chevrolet Silverado 1500
After returning the vehicle, the P0135 code persisted even with the oxygen sensor plugged in. Resetting the engine control module (ECM) temporarily cleared the code, leading me ...
09 Silverado 1500 | P0135P0135 P0300 P1682 Diagnosis: 2009 Silverado 1500 5.3L with Bank 1 Misfires and O2 Sensor Issues
Hello, I own a 2009 Chevrolet Silverado 1500 with a 5.3L V8 engine. About a week ago, the truck began exhibiting severe misfire symptoms while driving—suddenly losing power and ...
09 Silverado 1500 | P01352001 Mazda MPV P0301, P0102, P0113, P0300, P0122, P0108 - Check Engine Light & Sputtering Fix Help
I recently replaced the MAF sensor, coil pack, ignition switch, and throttle position sensor on my 2001 Mazda MPV. Despite these upgrades, the vehicle continues to sputter, exhi...
2001 Mazda MPV | P01021997 Chevrolet Silverado P0305 and P0300 Misfire Diagnosis - Fuel or Ignition Issue?
This is my first time posting on the forum, so I'm hoping for some expert advice. I have a 1997 Chevrolet Silverado K1500 4x4 with a 5.7L engine. Last weekend, I replaced the fu...
1997 Silverado | P03002006 Dodge Ram 4.7L Engine Fault Codes P0172 and P0300 Explained
Thank you for sharing the information regarding this issue. This post provides valuable insight into diagnosing and understanding fault codes P0172 and P0300 in a 2006 Dodge Ram...
2006 Dodge Ram | P01722002 Chevrolet Monte Carlo SS P0300 Random Misfire Diagnosis and Repair Guidance
Hi, I own a 2002 Chevrolet Monte Carlo SS and am experiencing repeated stalling issues while driving on the highway. The car will stall, then only restart when placed in neutral...
2002 Chevy Monte Carlo SS | P03002010 Chrysler P0300 & P0335 difficult starting, rough idle
So my van died on me last night and thankfully I was able to restart and drive home. It’ll still start but not without giving it extra throttle. So far I’ve changed the CPK sens...
2010 Chrysler | P03002003 GMC Yukon XL 5.3L P0300 Code: Rough Idle at Idle, No Other DTCs After Air Filter Change
This issue is driving me insane. I only start seeing the P0300 code when the engine is idling. I can drive long distances—up to 43 miles each way on highway—with no problems. I'...
2003 Yukon | P03002006 Dodge Ram 4.7L Running Rough with P0172 and P0300 Codes After Car Wash
My 2006 Dodge Ram 1500 with a 4.7-liter engine has started running roughly and triggered the check engine light while driving, though it only appears after being washed. Prior t...
2006 Dodge Ram | P0172P0300 Random/Multiple Cylinder Misfire on 2000 GMC Sierra - Check Engine Light at 60-70 MPH
My 2000 GMC Sierra shows a check engine light specifically when driving between 60 to 70 miles per hour. The light extinguishes when I drive at lower speeds. A code reader confi...
2000 GMC Sierra | P03002003 VW Passat Wagon V6 Fault Codes P0300-P0306 and P1491/P1492: Diagnosis and Repair Cost Guide
My 2003 VW Passat Wagon with a V6 engine has been showing intermittent check engine light activation, accompanied by fault codes P0300 through P0306 (indicating random misfires)...
2003 VW Passat Wagon V6 | P03002000 Pontiac Sunfire P0300, P0400, P0507 Fault Codes: Engine Shakes, Oil Leak and Starting Issues
I own a 2000 Pontiac Sunfire with a 2.2L L4 OHV 8-valve engine. Whenever I shift into Drive, the vehicle shuts off unexpectedly. Now, when attempting to start it, the engine vio...
2000 Pontiac Sunfire | P03002010 Cadillac CTS P2135 and P0300 Code Diagnosis: Throttle Body Misfire Troubleshooting Guide
Hello, I own a 2010 Cadillac CTS that suddenly stopped running and I'm trying to avoid towing it to a repair shop. With a background in aviation mechanics, I’m confident in hand...
2010 Cadillac CTS | P03002005 VW Jetta 2.5 Engine Misfire and Fault Codes P0300, P2279, P0016 After Transmission Replacement
I own a 2005 VW Jetta 2.5L and recently started experiencing engine problems after replacing the transmission. The vehicle now shows fault codes P0300 (random misfire), P2279 (i...
2005 VW Jetta 2.5 | P00162001 Chevy Silverado 5.3L Engine Fault Codes P0440, P0449, and P0300 - Troubleshooting Guide
My 2001 Chevrolet Silverado with a 5.3L V8 engine is showing fault codes P0440, P0449, and P0300. The vehicle starts for about 1 to 2 seconds before stalling. I've checked fuel ...
2001 Chevy Silverado 5.3 | P03002000 GMC Sierra Z71 5.3L Engine Fault Codes P0161 and P0300 - Rough Idle and Exhaust Air Inflow
My 2000 GMC Sierra Z71 with a 5.3L V8 engine is experiencing a rough idle and starts with a noticeably shaky performance. I've also noticed that the exhaust appears to be pullin...
2000 gmc sierra z71 | P01611999 Chevrolet Suburban P0300/P0302 Misfire Fix: After Valve Job and Spark Plug Replacement
I have a 1999 Chevrolet Suburban with a 5.7L engine. After a recent valve job, I replaced the fuel injectors and confirmed good fuel pressure (65 psi). I also installed new dist...
99 Chevy Suburban | P03002005 Ford Five Hundred P0175, P0172, P0191, P0300, P0306, P0450 - Black Smoke, Jerking, Poor Power at Idle
My 2005 Ford Five Hundred is experiencing multiple OBD-II fault codes: P0175, P0172, P0191, P0300, P0306, and P0452. The vehicle hesitates to start and requires the accelerator ...
2005 Ford 500 | P0172