When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
Well, no there is no egr to help w/ unburned exhaust gases so it should cause detonation theoretically. But lotsa ppl have deleted them w/o problem. What was the reason for taking yours off?
I had the CEL comming on and off for a couple af years now on my 91 GT. The code pointed to the EGR. A mechanic suggested I take out the sensor clean the plunger and lightly lube it. Did that a couple of weeks ago and the CEL hasn't come on once yet since.