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Can a vacuum leak at the manifold cause the check engine light to come on?
Wiki User
∙ 14y ago
Yes
Wiki User
∙ 14y ago
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What would cause a squealing sound if it is not the brakes or belts when engine is running on idle condition?
Check for a vacuum leak around the throtle body and intake manifold.
How to Check vacuum on 1987 Chevrolet celebrity?
Take a vacuum hose off at the intake manifold and put a vacuum gauge on the port, then read the vacuum with the engine running.
What would cause the engine to rev to full throttle when throttle position is at idle on a 2000 dodge neon with a 2 liter engine?
Large vacuum leak. Check the hoses that hook to the intake manifold.
Will a crack in the exhaust manifold cause the check engine light to come on?
It could.
Why does your 1996 corsica 3.1 idle super high replaced throttle pos sensor still does it has great vacuum?
It wouldn't make much of a vacuum leak to cause the engine to idle at high RPM. First check for vacuum leaks even though you may still have good manifold vacuum.
What would be the cause an engine to backfire when you turn on your AC?
It sounds to me like your ignition timing may be off. Is it also hard to start? Possibly a manifold vacuum leak. Check out your engines tune up.
Will a vacuum leak cause the check engine light to come on?
It could.It could.
What can cause heat not to work when you turn the climate control button to the heat?
It all depend if it is vacuum operated or electrical. If it is vacuum check the vacuum line attached to the intake manifold, it might have come loose. If its electrical check the heater control panel.
What can cause rough idle on 1999 Tahoe?
A vacuum leak, a bad injector and if the check engine light is on, check the codes.
Why could cause a 1996 Chevy Cavalier to idle high after fixing a warped head?
You probably have a vacuum leak. Check intake manifold and throttle body gaskets as well as vacuum lines.
Why does blower only blow air threw the floor vent on my 2000 gmc safari?
check the vacuum lines on the intake manifold. also check the vacuum tank on the right side of the engine to make sure it's not cracked.(plug it off)
Will a vacuum line leak cause your computer in your 1997 Pontiac grand am to mess up?
It might cause the "check engine" light to come on.
