3.8 l number 1 plug not firing
#4
Senior Member
Welcome to the forum Andy..Here is a how to on testing ICM
https://www.gmforum.com/trouble-shoo...m-test-299761/
I assume you have tried a new spark plug & wires.. yes?
Have you scanned for any engines codes?
https://www.gmforum.com/trouble-shoo...m-test-299761/
I assume you have tried a new spark plug & wires.. yes?
Have you scanned for any engines codes?
__________________
1997 Buick Pk Ave (Soft Ride) Suspension!
1997 Buick Pk Ave (Soft Ride) Suspension!
#6
Retired
Shouldn't matter. If #1 isn't firing, then #3 shouldn't be firing either. They both fire at the same time. It'* either a bad sparkplug wire or a REALLY bad sparkplug.
__________________
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Retired Administrator
2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
Thread
Thread Starter
Forum
Replies
Last Post
SSEimatt93
General GM Chat
1
07-04-2003 12:42 AM