I have an 89 grand am with the quad 4 2.3. It's running rough and have determined through local advice that just the 2 middle cylinders are running, so I'm running on 2 not 4. Checked all coils, housing, spark plugs, etc. Thinking it's now maybe the ECM or Wiring Harness? Anyone able to shed some light on this? Car has about 130k miles on it, but it gets from point A to B and was hoping to get another year out of it. Is it worth putting in a different ECM? Can you find them used and is that even worth the risk?
have the same problem?
Friday, March 16th, 2007 AT 12:16 AM