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Trouble code 45, TPS

Tiny
SDANDERSON5150
  • MEMBER
  • 1991 PONTIAC FIREBIRD
  • 3.1L
  • V6
  • 2WD
  • AUTOMATIC
  • 142,000 MILES
Trouble code 45, and with the TPS. The book says the tang should be inline with throttle actuator. I do not have any of that on the TPS side, is it possible missing?
Thursday, January 11th, 2018 AT 11:30 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,864 POSTS
45 - Oxygen sensor rich exhaust.

You are reading about a throttle position sensor for an older engine with a carburetor. The 1991 does not have a tang. It has the same center hold with two tabs that Chrysler and Ford use. It is spring-loaded to go to its lowest setting, and you just pop it on when the throttle blade is closed.
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Friday, January 12th, 2018 AT 6:49 PM
Tiny
SDANDERSON5150
  • MEMBER
  • 6 POSTS
Okay, thanks must be a misprint. Because it shows a picture of a 3.1 MPFI throttle intake. Much appreciated.
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Friday, January 12th, 2018 AT 7:20 PM

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