Thread: Dies at Idle
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Old 10-03-2022, 11:26 PM   #10
Dead Parrot
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Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,477
Re: Dies at Idle

One possible vacuum leak is the power brake booster if you have power brakes. I had a booster on my C10 that leaked enough to cause idle issues but still worked well enough the problem wasn't obvious. Another often missed place is the small bit of hose on the modulator on automatic transmissions.

If you have an old style vacuum gauge, they often included a fuel pressure gauge as well.
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