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2005 Mazda MPV Check engine light came on

Tiny
CAMERONDECKER
  • MEMBER
  • 2005 MAZDA MPV
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 45,000 MILES
Check engine light came on, went to autozone for diagnostic. P2187 and P2189 were the codes. Says causes could be large vacuum leak, fuel system malfunction, MAF sensor faulty or Ignition system malfunction. Car is running fine. No stalling, plenty of power. What should I do? Fuel injection cleaner? Buy a new MAF sensor? Could this just be a mis-read if car is running fine? Please let me know. Thanks!

Cameron Decker
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Saturday, February 6th, 2010 AT 8:46 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
What I would do is clear the codes and drive the car, if the code re sets then we will know where to start looking, often the codes don't re set if the car feels and drives normally, there may be nothing to worry about.

Mark (mhpautos)
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Saturday, February 6th, 2010 AT 8:51 PM
Tiny
CAMERONDECKER
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  • 3 POSTS
Thanks for the info. How do I clear the codes? Please let me know. Thanks!

Cameron Decker
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Sunday, February 7th, 2010 AT 9:09 AM
Tiny
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  • MECHANIC
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Hi there, reading Mitchell 1 it looks like you will have to get a scanner to erase the OBD 11 codes, if you try and take the battery neg of you may erase some set engine management parameters and This will require further re sets and delays.

Mark
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Monday, February 8th, 2010 AT 1:32 AM

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