PDA

View Full Version : Why is my 1991 GMC 1500 not getting fire?


GeeCatt
Dec 17, 2010, 12:41 PM
My truck is getting fuel but not starting, I checked ICM with the multimeter and got a reading, does it mean it could still be bad?

TxGreaseMonkey
Dec 17, 2010, 01:00 PM
Yes, the ICM could still be bad. Bench testing ICMs and coils is virtually useless, since it doesn't come close to simulating conditions under load. I recommend replacing ICMs and coils every 120,000 miles or 10 years, whichever comes first.