I have codes P0171 and P0174. 02, 4.6, XLT
I replaced the PCV elbow behind the TB and the PCV vlv.
Im wondering if this whistle is my issue? I idle at a steady 600rpms..no hesitation. When in gear, and accelerating, at around 1200rpms I get a whistle that my passengers -and myself- think sounds like turbo kicking in..(I dont have turbo)... when I release the accelerator it goes away...
Does not do it in park or neutral.
What can this be? And if it does not do it in park, will I be able to find it spraying carb cleaner around the area while in park if it is a vacuum leak?
I replaced the PCV elbow behind the TB and the PCV vlv.
Im wondering if this whistle is my issue? I idle at a steady 600rpms..no hesitation. When in gear, and accelerating, at around 1200rpms I get a whistle that my passengers -and myself- think sounds like turbo kicking in..(I dont have turbo)... when I release the accelerator it goes away...
Does not do it in park or neutral.
What can this be? And if it does not do it in park, will I be able to find it spraying carb cleaner around the area while in park if it is a vacuum leak?
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