Questions & Answers for: Pontiac vacuum leaks

idel goes up wen pumping brake padel. my idel goes up wen am pumping the brake padel.??? You have a vacuum leak in the brake booster. Whenever you push it in, a vacuum leak is introduced. Causing the ...

...Vacuum leaks can occur in following locations. Intake manifold AND/OR vacuum lines. Intake manifold is not accessible unless the engine head if off. You can still check the potential leak by spraying ...

...Only settings vehicle will allow are hot or cold. Vaccum leak? I would say it has to be a vacuum leak. The reason i'm thinking this is because the HVAC controls uses no electrical wires the ...

bank one is lean hard to start start looking for a vacuum leak max crankcase vacuum is needed @ start up vacuum leak would cause this also look at your coolant temp sensors

...leaks in the EVAP system. This is usually a result of a failed sensor, but considering your starting trouble, you most likely have a leak in your EVAP system which is allowing extra air into your ...

1997 bonneville 3800 engine vacuum leak Scan said I have vacuum leak. How do I find vacuum leak. Runs bad at start up. Look for cracked and gummy vacuum hoses on the manifold. You may find one ...

vacuum line leak My van is running rough at idle speed and at going speed, I think there's a vacuum leak. It could possibly be a vacuum leak, try replacing the Idle Air Control Valve about a $45 ...

20002 pontiac bonnie brake hard engine miss sound like vacuum leak when pressing brake pedal Ever change a brake booster before? It's not much fun, so check the hose to the power brake booster first. ...

on the gas but car won't stay going what could it be Vacuum leak or manifold absolute pressure sensor is faulty. As rpm's increase, manifold requires more vacuum to pull fuel into the intake. If there

...on face and heat only. Selector won't change setting to defrost, face only, etc. The mode switch is vacuum controlled , do you know anything about vacuum controls , how to test vacuum circuits ? here ...