P0171 in 3 miles
#52
I did hear some air leaking noise by the booster...but I sprayed everything and no noise..
march%20235.jpg
march%20235.jpg
#54
17-20" Hg at idle is normal, but that varies a little depending on your altitude. Here's a good site that explains vacuum testing/diagnosis: www.gregsengine.com/using-a-vacuum-gauge.html
Last edited by plumbob; 03-30-2015 at 07:10 PM. Reason: added to
#56
I know how frustrating this must be for you. Your gonna need some diagnostic tools. A fuel pressure tester &/or a scan tool capable of reading fuel trim values. Here's a link that I find really good in helping to understand fuel trim and diagnostics especially DTC P0171. The link is for part one of two. Part two will pop up after part one. Hope this helps.
#57
I am bringing it to my friend shop tomorrow to put in on the fuel pressure tester if that reports good maybe I will try a $200 mass airflow sensor I hope I don't have to anyone watch tech garage on velocity Saturday mornings at 8 o'clock it's very good but I already know most of the stuff he tells.. But cant figure this out with computers