GM Truck Club Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
40 Posts
'Check Engine' light and 'Service Engine Soon' light are the same thing. It is not a maintanance thing. The computer is sensing that there is something wrong. You need to get an OBD (On-Board Diagnostic) scanner to see what the problem is. For 96 and UP it is OBDII for 95 and lower it's OBDI.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top