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1993 Toyota MR2 OBD-1 codes

Tiny
TROYTJ
  • MEMBER
  • 1993 TOYOTA MR2
  • 4 CYL
  • 2WD
  • MANUAL
  • 252,000 MILES
Got a 12 AND 71.1st things to replace are?
Gonna start with a distributor cap. Any other ideas?
Wednesday, September 8th, 2010 AT 6:07 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The 71 is just an EGR code and nothing to do with your problem.
The code 12 is no ignition reference signal to the ECM. This will likely end up being a bad distributor but all the power supplies to it have to be tested first.
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Wednesday, September 8th, 2010 AT 6:23 PM
Tiny
TROYTJ
  • MEMBER
  • 2 POSTS
Check engine light is off. But it will not pass smog in Calif. The smog reading was better than it was before the new EGR valve was replaced. What is up? Thank you
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Friday, October 29th, 2010 AT 12:48 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What are the readings and limits?
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Friday, October 29th, 2010 AT 1:58 PM

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