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Engine control module

Tiny
KLMOSIER
  • MEMBER
  • 2005 VOLKSWAGEN PASSAT
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 205,000 MILES
My car is at the shop, I am having emissions issues, all parts turbo, exhaust manifold, turbo vanes have been removed, cleaned. Changed n75 valve, air intake, injectors, injector connections, still have no boost, turbo is good, and blowing black smoke and in limp mode. Would it just be best to replace the brain?
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Wednesday, February 3rd, 2016 AT 7:49 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
What trouble codes have been found?
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Wednesday, February 3rd, 2016 AT 4:19 PM
Tiny
KLMOSIER
  • MEMBER
  • 2 POSTS
Well I don't currently have the list in sight. But what I remember are low boost, open circuits, maf code, o2sensor, injector 4 misfire, which brought me to the conclusion since we changed the n75, changed the injector electrical supply, put in a new injector, changed the maf, the air filter that this is probably a computer issue. We also had the mechanic clean all the exhaust parts, manifold, egr, turbo and turbo vanes, actuator got all the soot out of everything.
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Friday, February 5th, 2016 AT 8:57 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hey KLMOSIER,

This is a strange problem and ever more difficult when we are not in front of the car, did you ever get it figured out?

Best, Ken
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Sunday, April 24th, 2016 AT 9:27 AM

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