Questions & Answers for: Buick vacuum leaks

...vacuum reservoir. Tip: You can use a short piece of hose put up to your ear, block your other ear and move the other end of the hose around the engine compartment to locate leaks or other noises you ...

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...vacuum lines for leaks it sounds like you have a vacuum leak or the o2 sensor is going bad on bank 1 **** i still say vacuum leak PO 171 indicates a lean condition in bank 1 or the same side of the ...

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Question about 1997 LeSabre

1 Answer

...bi-level max and normal and it does it on all three settings. Please help. Most likely cause is a vacuum leak under the hood. The blower door is vacuum driven and controls air flow inside the car.

What is the vacuum line schematic on a 1996 buick On my 1996 Buick Riviera, I need to know where the vacuum lines are as I think I have a vacuum leak. I have a random misfire, but I have replaced all ...

...its switching to the defrost mode.drive and check. if so a vacuum hose is leaking or one of the vac. motors is leaking. no leaks found put a new check valve in. also check the vacuum reservoir ...

Question about 1988 Electra

1 Answer

I have a 1988 buick electra w/ 3.8 v6 engine. It runs but will not idle, has the sound of a large vacuum leak which i can't find. Have check all vacuum lines and have replaced the vacuum bypass ...

Will an open vacuum leak cause a PO 420 code? Had service engine light on now for a couple of months but car runs fie and has plenty of power.Just found that the vacuum line that supplies vacuum to ...

Question about 1996 Century

2 Answers

what is a vacuum leak? great question, most posts where are easter egg hunts or the like this is good.! the engine is a huge air pump. and creates a huge vacuum below the throttle plate. running. if ...

...vacuum leaks. Hissing usually indicates a vacuum leak. Check around the intake manifold and intake runners, pcv valve, vacuum lines, brake booster and anything else (air conditioner controls if you ...

Question about 1998 LeSabre

1 Answer

Av not blowing through vents 1998 Buick LeSabre Vacuum leak from hoses or the vacuum canister leaking. A leaking Power brake booster can cause you to loose enough vacuum to cause a problem also.

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