Xoutpost.com - Possible missing Vac line???

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dwhite832003

03-29-2011 12:41 AM

Possible missing Vac line???

I have 2000 4.4i m62 with a build date of 10/99... I don't have part #13 or th vac line that runs back to the air box??? Any ideas???

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Big "J"

03-29-2011 12:29 PM

Is the engine running okay? Are you getting any codes?

dwhite832003

03-29-2011 12:43 PM

Thanks for the reply... I have a P0171 bank 1lean... just did intake & valve cover gaskets + valley pan.... spark plugs... and cleaned and inspected everything... she runs great... better than before...

Weasel

03-29-2011 01:04 PM

That would be to open/close a flap in the air box, which is probably not present on your truck.

TwinTurboGTR

03-29-2011 02:48 PM

Hey D, yeah I don't have that either. You don't need it. Part 13 is deleted, and the hose just connect to part 1 and goes to part 4.

dwhite832003

03-29-2011 06:35 PM

OK... just remembered I already replaced the pre cat O2 sensors... and just pressures tested at the fuel rail... 54psi... only thing left is a new MAF sensor... keep your fingers and toes crossed

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