i have a 1990 chevy blazer full size 4x4 i have been havin something like rough idle from the time it first starts. when driving it seems to surge or backfire sometimes so hard it acts like it will just lock up but dont .. when at a stop sign you can feel a miss but it does not stall out. can anyone give suggestions as i am running out of ideas.. i have gave a tune up a month ago and am now in the process of lookin into my control module and pick-up coil ???/
i have a 1990 chevy blazer full size 4x4 i have been havin something like rough idle from the time it first starts. when driving it seems to surge or backfire sometimes so hard it acts like it will just lock up but dont .. when at a stop sign you can feel a miss but it does not stall out. can anyone give suggestions as i am running out of ideas.. i have gave a tune up a month ago and am now in the process of lookin into my control module and pick-up coil ???/
- wicked6661970, Ashtabula, OH, US