87 bonne idle issues - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-16-2009, 04:51 PM   #1
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Default 87 bonne idle issues

Greetings all, its been a while, took Bonnie over the Rockies for christmas, what a sheet-show!! Also experienced my first moment of wishing I was in a newer car, icy highways suck with no ABS or trac-control, anyway safe and sound.
My problem is this, just after I returned to Victoria from Calgary, (-30 with windchill), the car starts occasionally with a high idle, anywhere from 1500 rpm to 2500 rpm. Linkages are clear, and I suspect a faulty sensor or electrical issue. Any suggestions where I might start my hunt for the culprit?

Thanks
1987 Bonneville LE
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