Idling very rough after a tune up, heck engine light came on.

Idling very rough after a tune up, heck engine light came on. 1 Answer

Why does it rough idling on startup? 2 Answers

Weather its cold or warm on startup it idles rough then rpm goes up to 1500 and smoothes out and runs great, idles good after that.

brake light, abs and service brake system light came on 2005 GMC Sierra 2 Answers

All brake light came on after shop re-geared my rear end. Will a computer re-tune fix my problem?

what would cause my engine to run erratically while idling? 2 Answers

My engine light came on and I hooked up a scanner to it and it read 5 codes, 2 of which were duplicates.most of the time it idles normal but once in a while it will seem to struggle to stay running....

What should I do for a tune up on a 1993 Sierra 1500, 5.7L TBI? 6 Answers

I am attempting to do the tune up myself but want to make sure I tackle all the necessities. Please let me know what all should be included in this tune up. I understand distributor cap, ignition roto...