Vacuum

Asked by GuruHHRRK Jul 22, 2019 at 07:36 PM about the 1994 GMC Sierra 2500 2 Dr K2500 SLE 4WD Extended Cab LB HD

Question type: Maintenance & Repair

Looking vacuum at half throtel

3 Answers

F_O_R answered 5 years ago

There is no set vacuum amount at half throttle. The engine speed is also a factor.

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F_O_R answered 5 years ago

When you go to full throttle the vacuum should drop down to almost zero. What is the vacuum at idle?

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Your Answer:

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