P0171 Code, possibly low boost, Help?
Hi guys, I've got a 96 850 turbo that's recently lost most of its oomph, and now it's throwing a p0171 code, I removed and cleaned the MAF, and inspected the filter, but as soon as I hooked up the battery and turned it back on, the code was back immediately. Any help is appreciated, Thanks!
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When I had that code I had a vacuum line loose. Check vacuum lines and intake tubes for holes or being loose.
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Any Idea of exactly where I should begin, also do you perchance have a diagram?
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Lol, look everywhere. There is a diagram under the hood. The only reason you should need one is if you have some pulled apart.
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3 Attachment(s)
See if the attachment helps. Also, there is a plastic "Tee" fitting that is known to deteriorate over time on which 3~4 vacuum hoses are attached to.
JPN |
3 Attachment(s)
Hope these help. Some people have problems with the elbows coming loose or cracking as they age. JPN's diagram of the fuel pressure regulator is one place a lot of people miss as you can't see it very well without bending your neck and using a mirror and flashlight as it's under the intake manifold.
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Thanks guys, I got a smoke test done, turns out there was a 1 inch gash in the coupling right by the throttle body.
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that'll do it. hope you're trouble free now!
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