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2001 Volkswagen GTI OBD code P1151

Tiny
AZX83
  • MEMBER
  • 2001 VOLKSWAGEN GTI
  • 6 CYL
  • FWD
  • MANUAL
  • 140,000 MILES
My check engine randomly came on one day so I drove home and plugged in my OBD reader and it shot back out a P1151 code that is not in the manual or on the software that came with the reader. Have you come across this code and know what it is?
Sunday, February 14th, 2010 AT 8:46 PM

1 Reply

Tiny
MATHIASO
  • MECHANIC
  • 1,209 POSTS
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

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