Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Here is a great video so you can see what tooling and strategies are required to diagnose multiple U Codes
and P Codes:
Normally you address U codes first, because the P codes can be the symptom of the U codes!
Never stop Learning.
Last edit: 1 year 3 months ago by Paul P..
The following user(s) said Thank You: SHAWNGILLINGHAM23@GMAIL.COM