1994 Toyota 4Runner check Engine light

Tiny
SMART LINE
  • MEMBER
  • 1994 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • MANUAL
  • 208,000 MILES
How do you check the ob1 check engine light?
from what I remember for way back with my 88.V6
you crossover X and Y under the hood and count the flash's of the light.
am I off?
truck started missing in low rpm's and the check light came on.
Monday, July 19th, 2010 AT 6:33 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Find the diagnostic check connector and jumper Te-1 to E-1 this will cause the CEL to flash the code/s, also try removing the EFI fuse for 10secs and see what happens.
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Monday, July 19th, 2010 AT 6:37 PM
Tiny
SMART LINE
  • MEMBER
  • 4 POSTS
Got it,
I found code 71.
Looked some more and found a faulty vacuum tube under the intake. Replaced it and crossed my fingers. I guess we will see?
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Monday, July 19th, 2010 AT 7:49 PM
Tiny
SMART LINE
  • MEMBER
  • 4 POSTS
Thank you for the quick help!
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Monday, July 19th, 2010 AT 7:50 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like an EGR valve/system
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Monday, July 19th, 2010 AT 7:51 PM
Tiny
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  • MEMBER
  • 4 POSTS
You thinking more than just a rotten hose?
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Monday, July 19th, 2010 AT 7:56 PM

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