87 Hunting at Idle
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Cadillac Allante Forum Discussion, 87 Hunting at Idle in Past Cadillac Vehicle Discussion; Has anyone had any experience with this issue? The idle speed tends to jump around a lot at idle. I ...
  1. #1
    DopeStar 156's Avatar
    DopeStar 156 is offline Cadillac Owners Master
    Automobile(s): 05 STS, 89 Fleetwood Brougham d'Elegance, 84 Chevy K10
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    87 Hunting at Idle

    Has anyone had any experience with this issue? The idle speed tends to jump around a lot at idle. I was thinking TPS maybe?

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  3. #2
    rueben44 is offline Cadillac Owners Fanatic
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    Re: 87 Hunting at Idle

    Yea could be your TPS or it is sucking in air from a crack. Try spraying starter fluid near the intake if it revs then that could be the problem. Next I would consider the TPS or Idle control vacuum last.

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