Having problems with your Ford Ranger ?

What is Codes PO122 & PO303? - Ranger Ford Cars & Trucks

Posted / edited by AnonymousUser on : 15-10-2018

Answers :

P0122 = TPS (throttle position sensor) voltage reports too low. This means that you could have a problem with the TPS, the wires to the TPS or the computer, if you have not replaced the TPS or do not want to do this work, I would take it in to a shop for this to be done. The TPS may require adjusting after replacement.
\012P0303= Cylinder Number 3 Missfire Detected, this means that the number 3 cylinder has miss fired, probably set this code as a result of the P0122 code. I would repair code P0122 and clear both codes. Hope this helps, let me know.
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