Join Date: Jul 2009
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what do these codes have in common?
answer: theyre all coming from my truck!
P0112 IAT Sensor Circuit Low Input
P0231 Fuel Pump Relay Driver Circuit Failure
P0722 OSS Intermittent Failure
P0720 OSS Sensor Circuit Malfunction
P0541 Manifold Intake Air Heater
details: 01 Excursion PSD 7.3
its only making 3lbs of boost via my hyperpac tuner diag
oil all over compressor housing
any ideas for where to look?
Last edited by ixotuckeroxi; 07-11-2009 at 07:16 AM.