New plenum full tuneup bad gas millage, what to do next?
#11
12-15-2013, 08:41 PM
#12
12-15-2013, 09:51 PM
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You said your truck is hesitating.. Have you cleaned IAC sensor? As for MAP sensor, unplug it and see if the truck runs any different. If it runs like s**t then you know it was working in the first place. You are installing an off road y pipe so I'm assuming you will be running no cat which will fix a possible clogged cat. Things I would do: clean IAC, check TPS, check MAP, clean throttle body, change front 02 sensor