vacuum leak in the brake booster. Whenever you push it in, a vacuum leak is introduced. Causing the engine to idle higher. Changing the brake booster will cure the problem. its caused by a leak in the
...Vacuum leak at intake manifold and vacuum hose. Bad Idle Air Control Motor (IAC) Low compression (170 psi + is OK) Start cleaning and repair these trouble spots and see is there any improvement. ==== ...
...vacuum leak. The reason i'm thinking this is because the HVAC controls uses no electrical wires the only thing running into the back of the unit is 5 colored vacuum lines.If you remove them while 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
the evap line from the intake and covering the intake port with a vacuum cap. If the vacuum comes up, then you have a leak a leak in the EVAP system you will need to find and fix.Hope this was helpful
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 disconnected. Sometimes you can get
...vacuum leak. It could possibly be a vacuum leak, try replacing the Idle Air Control Valve about a $45 part.. Trace down the hose(s) that is (are) torn, dry rotted or just fallen off and replace them ...
...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. Listen for the vacuum leak when someone presses the ...
...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's a leak or a bad sensor, fuel can't get to the ...
Question about 1992 Bonneville
...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 ...
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