NewZed Posted August 12, 2013 Share Posted August 12, 2013 You said it runs great in #15...? Popping and stumbling is typical of a bad AFM causing lean spots or just running on the lean side due to low fuel pressure. I have two lean AFMs that work fine with the potentiometer in the water temperature circuit, adding a little fuel. Quote Link to comment Share on other sites More sharing options...
Connor280ZX Posted August 12, 2013 Author Share Posted August 12, 2013 Besides the popping and stumbling, it runs great haha. However, the guy did say that my car has a rebuilt AFM, which he says are known to be "crap". Quote Link to comment Share on other sites More sharing options...
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