Air vacuume leak help?

Asked by Humani Jul 07, 2023 at 05:56 PM about the 1999 Ford Econoline Cargo E-350 Super Duty

Question type: Maintenance & Repair

Hearing air decompress from the motor after



turning in the ignition off not sure what it is?



Help

1 Answer

310,265

Possible valves not sealing properly. Vacuum check valve leaking for brake booster or the booster itself leaking. Vacuum canister leaking.

Your Answer:

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