P CODES (POWERTRAIN) P0100 - P0199

Changed Sensor, Still Throwing Code. Truck Cranking Not Starting. When It Does Start, It Is Now Rough Running Until Faster Speeds. Bad Gad...

Rpm's Fluctuating Up And Down.

The Service Engine Light Is On. It Is The Fuel Temperature Sensor. Will It Go Out When Temperature Outside Warms Up Been Extremely Cold...

Truck Runs Good Changed O2sensor Light Keeps Coming On No Exhaust Leaks Or Vaccum Leaks How Do I Get Light To Stay Off?

I Was Driving Home Today And The "service Engine Soon" Light Illuminated. I Stopped At My Neighborhood Auto Supply Store And Asked Them To...

Can A Bad Fuel Composition Sensor Stop An Engine From Starting

I Got This Code While On The Highway With The Cruise Control Set At 60 Mph. The Temperature Gauge Is Staying At Where It Should Be And I Am...

Engine Hot A/c Off Light On, Temperature Gauge Drops To Zero, Ac Does Not Blow Cold. I Have Replaced The Thermostat Two Times Drive...

Changed Thermostat, Temperature Sensor, Clutch Fan, Water Pump And Intake Temperature Sensor. Code Keeps Coming Back. Any Ideas? Does...

I Replaced Ect Sensor And Thermo. Still Runs Hot, Also Water Seems To Boil Up Into The Overflow Tank. Gauge Remains At 0. Help Please Our...