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Do you have access to the freeze frame data so we can see if its a lean condition under a load or not?
+1 on using water if you’re not comfortable with the carb cleaner method, as stated it will fill the void created by the leak and the idle should smooth out, carb cleaner and propane are also effective in that they provide a richer mixture in addition to
Okay so heres the update. I took it to my mechanic and there is nothing wrong with the car. It idles smoothly, no vacuum leaks, no pinched wires from the transmission job, no pinched vacuum lines, and the O2 sensors are normal. So with all that said I sti
I believe on this engine there is a pcv elbow (that splits) that is underneath the intake manifold that you cannot see unless your underneath the car._x000D_
also I had 1 of these engines completely kick my ass with this condition and it ended up being the tim[quote]Quoted From ScannerDanner: _x000D_
_x000D_
I believe on this engine there is a pcv elbow (that splits) that is underneath the intake manifold that you cannot see unless your underneath the car._x000D_
also I had 1 of these engines completely kick my ass withI am working on an 01 navigator with the same issue…i will look into this as well because he had the engine rebuilt recently…thats when the p0171 code started.
Have your mechanic read live data. look at the fuel trims._x000D_
read them at idle. Then bring the rpm to 2000 see if the_x000D_
fuel trims come down. then do the same at 3000 rpm._x000D_
if the fuel trim numbers come down drastically then its
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