89 5.7 tbi running rich - Chevy Message Forum

Username	Post: 89 5.7 tbi running rich
J-dawg 46 Newbie Posts: 7 Age: 61 Loc: Swift Current, Sk Reg: 10-31-22	12-15-22 01:43 PM - Post#2851297 In response to Tony1963 I don't get any codes but if I unplug a sensor I get a code so I know it works. It is an aftermarket harness that is a stand alone harness for the engine. My understanding is that the egr doesn't open when the engine is cold or idling and my engine won't idle very long before it acts up.
Print	NOTE: You are viewing an individual Post. View the Entire Topic