Help misfiring how to fix it
#1
03-22-2013, 04:07 PM
Help misfiring how to fix it
I HAVE 96 BLAZER with codes p1380,p0300 and p0303 ,i replace rotor,cap rotor,spark plugs and wires and codes stil there and have good cold start,no smog of any color but have a strong vibration what i can do to have it run even or smooth please some one help thanks. i already use $1500 in parts i don't want to spend more if no necessary.
Last edited by peweepfp; 03-22-2013 at 04:10 PM.
#3
03-25-2013, 08:39 AM
fuel pressure test, check fuel pressure and leakdown. You want it to come up to 60psi and stay above 55psi for at least 10 min.
Thread
Thread Starter
Forum
Replies
Last Post
r_marczak_83
Full Size K5 (1969-1991) GMT415 (1992-1994) Tech
17
03-09-2013 10:33 AM
