Question about 1987 Chevrolet S-10 Pickup

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1987 S10 6cyl idle wont drop down

Daughter said she heard a pop and hissing when this problem started, I cleaned throttle cable and ran carb and choke cleaner through it. this truck, which only has 90,000 miles on it runs like a champ. Never any major problems. when in gear it will run 35 mph on a flat road. where do I go next?

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Sounds like it has a vacum line loose try to find the hissing and check all the vacum lines around that area

Posted on May 21, 2009

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====
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====
Test fuel pressure
====
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====

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