p1249
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Posting Guru
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From: OAHU,KANEOHE HAWAII
Originally Posted by monsterbaby
would wonder if the **** has been bumped and it's allowing too much preasure through
Hotshot
Joined: Dec 2003
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From: iowa
Probably need to check it, find a preasure gauge and hook it to the map sensor side (remove the regulator and hoses from the truck for this) then apply air to the manifold side and adjust the **** until it shows no more than 20 psi on the gauge (apply about 40psi of air)
Posting Guru
Joined: Aug 2007
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From: Sonoita Hills, AZ
The Haynes book says that has to do with waste gate actuator not detected. I kept getting that error after I put in 4" exaust, programmer and K&N. I replaced waste gate actuator with one from BD and never saw code again. Mechanic told me springs get weak after upgrades. After market wastegate will up the boost a little too.
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