MAF PO103

Pistol Pete H · Post by **Pistol Pete H** » 04 Sep 2017, 09:41

Have new wiring harness, new MAF, no matter what I've done, PO103 comes up, and car runs like it's misfiring on 2-3 cylinders, any ideas on a fix,please.

Pistol Pete H · Post by **Pistol Pete H** » 18 Sep 2017, 13:18

Could I have a bad O2 sensor ? could my ECM not be reading the new maf ? This one really has me stumped, car ru ns great without maf, plug it in ans run it, horrible ??

Pistol Pete H · Post by **Pistol Pete H** » 27 Sep 2017, 09:59

New MAF, New o2 sensors, still have MIL, new wiring harness, still have hogh output on MAF...., MIGHT i NEED AN UPDATE ON MY ECM, PLEASE HELP.