1995 dodge ram 1500 5.9

Asked by Jun 06, 2016 at 10:39 AM

Question type: Maintenance & Repair

Can't get my pick up to pass emissions.
Hydrocarbons in ppm loaded results fail.
What should I check out first?

1 Answer

11,085

HC, CO, NOx your mixture is rich needs to be 14.7 correct fuel trim First suspect is Upstream HEGO sensor(s) NEXT Check the MAP sensor.

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