Traditional gasoline car fault

PO300 Misfire Code on 2000 Chevrolet 4x4 5.7L Engine - Diagnosis & Solutions

I replaced the spark plugs and ignition wires a few weeks ago after noticing engine misfires. I also had to replace the distributor because the housing broke during cap removal ...

2000 Chevy | P0300

2001 Silverado 1500HD P0161 and P0300 OBD2 Codes: Causes and Solutions

I own a 2001 Chevrolet Silverado 1500HD with a 6.0L engine. While driving home from work today, the check engine light activated. The vehicle is displaying two diagnostic troubl...

Silverado | P0161

P0300 OBD2 Code in 2002 Chevrolet Avalanche with 5.3L V8 Engine

I own a 2002 Chevrolet Avalanche equipped with a 5.3L V8 engine. Two months ago, it was repaired at a shop for two weeks after they discovered a wire causing the theft deterrent...

chevy avalanche | P0300

2003 Chevrolet Silverado 1500 4.3L V6: P0172 and P0300 Codes - Engine Stumbles, Shakes at High Speed

I own a 2003 Chevrolet Silverado 1500 with a 4.3L V6 engine and automatic transmission. The OBDII check engine light activated while I was driving at 35-40 mph. After that, the ...

2003 Silverado 1500 | P0172

PO300 OBD2 Code in 1997 Chevrolet Silverado 4x2 with 5.7L Engine - Diagnosis and Fixes

I own a 1997 Chevrolet Silverado 4x2 with a 5.7L V8 engine and automatic transmission. Over the past 12 months, I've completed several repairs including a full tune-up using Adv...

1997 Chevy Pickup | P0300

P0300 Random Misfire Diagnosis - 2003 Chevy Impala with 163,000 Miles

Hello everyone, I recently purchased a 2003 Chevrolet Impala for my daughter. The vehicle has accumulated 163,000 miles. I performed basic maintenance including replacing spar...

2003 Chevy Impala | P0300

2003 Hyundai Santa Fe Rough Idle and Misfire: P0300, P0302, P0304, P0306 Codes - No Power, Stalls After Rain

I have a 2003 Hyundai Santa Fe with a 3.7L V6 engine and all-wheel drive. While driving today, the vehicle suddenly became gutless—idle is rough, and it lacks power. Using an OB...

Santa Fe | P0300

DTC codes 2004 Chevy Avalanche - P0300 P0449 P0330

Hi! I'm ready to trade this old friend if I can't sort this out. I've got a 2004 Chevy Avalanche 1500 4X4 5.3l V8. It's been mis-firing consistently on Cyls 2, and 7. Throwi...

2004 Chevy Avalanche | P0300

1997 Isuzu Hombre P0300 Random Misfire Code: Diagnosis and Solutions

I've been experiencing a persistent P0300 random misfire code on my 1997 Isuzu Hombre, which has approximately 130,000 miles. Despite replacing multiple components—including spa...

1997 Isuzu Hombre | P0300

P0300 Fault on Cold Start - 1998 Chevrolet Astro Van with 4.3L Engine

I'm seeking advice from anyone who has experienced a P0300 misfire code that only appears during cold starts on their 1998 Chevrolet Astro van equipped with a 4.3L V6 engine. Th...

98 astro van | P0300

How to Reset Pending P0300 OBD2 Code on 2008 Toyota Tacoma

I'm trying to reset the pending P0300 code on my 2008 Toyota Tacoma, but the issue persists even after using an OBD2 scan tool. The code remains in 'pending' status and does not...

2008 Toyota Tacoma | P0300

96 chevy 5.7 misfire

i have a 96 chevy k1500 with the 5.7. i keep getting a code for a misfire on cylinder 7. i have replaced cap, rotor, plugs and wiresand it has 175 pounds on all cylinders. the t...

96 chevy 5.7 | P0300

2004 Chevrolet Express 3500 6.0L Engine P0101 and P0300 Fault: How to Diagnose Exhaust Backpressure and MAF Sensor Issues

I've been researching common causes for DTCs P0101 (Mass Airflow Sensor Malfunction) and P0300 (Random Misfire - All Cylinders) on my 2004 Chevrolet Express 3500 with a 6.0L V8 ...

04 Chevy Express 3500 6.0L | P0101

p0300 on 1999 gmc yukon

the yukon has difficult accelerating especially in cold weather but recently would not accelerate at all till the point that the truck would turn off completely...the code the t...

1999 GMC Yukon | P0300

2004 Mitsubishi Galant V6 P0300 Random Multiple Misfire - Diagnosis and Repair Steps

I'm really puzzled about this ongoing issue. Two months ago, my OBD system detected a P0301 misfire in cylinder #1. I replaced the ignition coil for cylinder #1 and also perform...

2004 Mitsu Galant | P0300

1996 Lumina 3.1 Code P0300, 98,000 miles

Heater hose ruptured near firewall and car was driven after overheating. Now Check Engine light is steadily blinking. Car runs but is erratic. Codes are as follows: 2 Codes P030...

1996 Lumina 3.1 | P0300

1999 Ford Contour P0190 P0300 P0113 - Car Dies on Acceleration After Fuel Pump Replacement

Hello, I'm working on a 1999 Ford Contour that has been throwing trouble codes P0190, P0300, and P0113. The owner previously had a fuel filter replaced, and based on advice from...

1999 Ford Contour | P0113

2003 Toyota Camry 4.2L Engine Shake & OBD2 Codes P0014, P0105, P0300 - Diagnosis and Fixes

Hi, I have a 2003 Toyota Camry with a 4.2L engine. Today, my check engine light started flashing, followed by a slight engine shake. The shaking would temporarily stop, but the ...

2003 TB | P0014