Ihatespeedbumps Posted October 31, 2016 Report Share Posted October 31, 2016 P1172 is a fuel trim code. Vacuum leaks tend to be the most common cause... Link to comment Share on other sites More sharing options...
MyBrickIsSlow Posted November 1, 2016 Author Report Share Posted November 1, 2016 All of my vac lines have been replaced except the one from the intake plenum, I have checked and double checked the charge pipe and rubbers and have gone as far as removing and reinstalling at the etm. I honestly would love for it to be that simple and am willing to check again. Thanks for the input. Link to comment Share on other sites More sharing options...
sob4691 Posted November 7, 2016 Report Share Posted November 7, 2016 wow i was just going to say that hose because i had the same exact problem. I suppose i need a new MAF SENSOR also. 02 coupe HPT love the car just learning on it Link to comment Share on other sites More sharing options...
MyBrickIsSlow Posted November 29, 2016 Author Report Share Posted November 29, 2016 Finally found time to replace my front O2 sensor. This has taken care of my reoccurring P1172, but has done nothing for my ETM symptoms. Idle still drops below the 900 mark. I guess its time to break down and buy a replacement Vida unit. Link to comment Share on other sites More sharing options...
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