BECOME A MEMBER
Sign up with Facebook
I AGREE TO THE
Login with Facebook
BECOME A MEMBER
P Codes (powertrain)
P0301 - P0399
OBD2 CODE READING PO300
2002 Chevrolet Truck
Obd2 code reading po300. Engine lope on #3& 4 cyclinders. Change spark pluges-coil-injecters and wires.
Sunday, January 20th, 2013 AT 5:01 PM
Check your fuel pressure it should be 60-66 psi at rail with key on if a small block. If big block 54-62 psi if pressure ok check for vacuum leak with choke spray
Sunday, January 20th, 2013 AT 6:05 PM
to post a reply.
2000 Chevy Blazer Code P0300
Engine performance problem 2000 chevy blazer 6 cyl four wheel drive automatic 154000 miles 4 3l engine cmsfi code p0300 mulit
I changed the thermostat on my 96 s 10 when i started it up i got a p0300 code could i have knocked something loose anywhere
I have a 1996 chevy truck with the 305 my check engine light came on and when checked they said it was a p0307 i changed the plugs w
1999 Chevy Monte Carlo P0300 Random/multiple ...
Engine performance problem 1999 chevy monte carlo 6 cyl front wheel drive automatic 135000 miles i have a 1999 monte carlo with th
Found 179 related questions
1998 Chevy Truck P0300 Misfire
1997 Chevy Truck Misfire P0300
1996 Chevy Truck Error Code P0300
Manuals and Instructions
Need To Replace Your Fuel Pump? Do It Like A Pro
Ask a Car Question. It's Free!
Find a car manual for your car
Need To Replace Your Coolant Sensor? See How The Pros Do it
Crankshaft Position Sensor Replace Chevrolet
Fuel Pump Replacement BMW 525i 1988-1996
© 1999 - 2016 2CarPros, Inc.