CHEVROLET P CODES (POWERTRAIN) P0300 - P0399 P0300

Transmission Recently Replaced By A Crap Shop. Since Picking Up The Vehicle I've Been Having Nothing But Problems That I Originally Didn...

I Have A 1999 Chevy Blazer 4.3l, 4wd That Suddenly Started Running Very Rough And Could Barely Pull Itself Down The Road. Fuel Pressure Is...

03 Silverado 2wd W/ 5.3 And Now Has 103k. The Spark Plugs And Wires Were Changed At 100k. While Under Heavy Load The Check Engine Light...

I Got Code P0300, I Installed New Spark Plugs W/boots And It Still Misfires.I Took It To The Dealership Repair Shop And They Said It Was...

2003 Cavalier With A 2.2 Ecotec Engine, Misses At Idle And Under Acceleration, Smooth At Higher Rpm, Changed Out Icm And Wires And Plugs...

Engine Has 140,000 Miles After Piston Rings Replaced And Both Heads Done. Spark Plugs And Wires Changed With New Gm Brand 6,000 Miles Ago....

Engine Mechanical Problem 2003 Chevy Avalanche V8 Two Wheel Drive Automatic I Am Getting A Po300 Missfire Code, And Have No Fire To...

I Took My Car Into The Shop. They Tested It And It Came Up With Po336. Replaced The Crank Sensor. Drives Great Now. Or At Least Alot...

Vin #1gcdm19w7xb149698 Getting Trouble Code #'s Po121/305/420/1870/420 Pending. The Dtc Giving Me Freeze Frame Info Is Po300 (random...

Son Took This Vehicle To A Gm Service Shop Due To Running Rough, Very Poor Gas Mileage And Gas Smell After Operating. Shop Checked Coil...