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Hey Dave===It is either the cable to the carb that is stickeng or if it is a 4 bbl, the secondary butterflies are hanging open. Good luckJoe hey, you may want to also check vacuum lines. i have a 89 formula that acted the same way. sometime it would be fine, other times it would idle close to 3000 and if i put it in gear it would try real hard to stall. it turned out to be a vacuum leak.

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โˆ™ 2005-09-27 01:03:06
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Q: Why would a 1985 305 Pontiac engine race in neutral to the point it must be left in gear to shut it off and other times idle just great?
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