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1994 Pontiac Firebird engine stalls

Tiny
SHAWN1101
  • MEMBER
  • 1994 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Hi all,

My car has been stalling at idle and sputtering at driving speeds. It also has fluctuating rpms. Once it dies, it will restart with no problem, but again will die shortly. I have already replaced the IAC sensor, throttle position sensor, and checked for air leaks. Also, a new symptom that has just started: the interior lights flicker off and on like close encounters of the third kind. Anyone have any suggestions? Thanks!

Shawn
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Tuesday, February 19th, 2008 AT 8:25 AM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Is your Service engine soon light on? Check the codes.


https://www.2carpros.com/forum/automotive_pictures/62217_95_OlderGM_5.jpg


Cross these two terminals as shown, then turn the key on. Count the flashes, a 22 will flash as 2 flashes then a short pause, then 2 flashes, if more than one code is stored, the pause will be longer. The codes will display three times and end with 12. Write them down and post here.
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Tuesday, February 19th, 2008 AT 8:35 AM
Tiny
SHAWN1101
  • MEMBER
  • 2 POSTS
Hi! No service engine light coming on. Should I still jump the two terminals? And if so, how do I "jump" them? Never done that before. Only plugged in a hypertech programmer.
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Tuesday, February 19th, 2008 AT 9:24 AM

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