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01-07-2012, 10:09 AM
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Registered User
Join Date: Dec 2009
Location: ontario Canada
Posts: 412
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87 chev 1/2 350 F/I cold start surging idle
the truck will go to fast idle and then drop to almost stall then pick itsel f up again and continue - when warm it improves but still a surge of up and down - just not as severe - is this an o2 sensor or ? the truck seems to always hunt for an even idle - thanks
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