Hello azx83
One of the system / sensor below is faulty and will require testing to confirm if it is faulty or not.
Trouble Code: P1151
Possible Causes:
Exhaust system is damaged
Intake Manifold Runner Position Sensor is faulty
Intake system for leaks (false air)
Motor for intake flap has failed
MAF sensor circuit open
MAF sensor circuit shorted to ground
Air leak in the manifold
Secondary air injection system combi-valve stuck open
Secondary air injection system electrical short
Fuel pressure too high, leaks in the vacuum hose to fuel pressure regulator
Fuel pressure regulator has failed
Fuel injectors are dirty, faulty or do not close properly
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Sunday, February 14th, 2010 AT 10:09 PM