Skip the auto shop - Our mechanics make house calls

Q: Possible vacuum leak causing engine to rev while parked.

asked by on

Engine revs while in park. Someone suggested it might be a vacuum leak.

A: It is possible that you may have a vacuum l...

It is possible that you may have a vacuum leak and if you do the computer will generate a code for system too lean. I would have a technician come out and inspect the codes on the computer and see if you do in fact have a vacuum leak.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Won' start or shift

Hello. You have a wide variety of problems there. The ignition key not turning could be due to a faulty ignition cylinder. If you are having trouble getting the car in gear and the engine will just revs up when...

Q: Death wobble

Worn steering components will definitely contribute to a loose steering feel but usually don't give you a wobble - unless something was left loose and not tightened properly.. A wobble at certain speeds can be caused by: Out of balance...

Q: Engine burning fair bit of oil

You should first have the engine checked for any leaks and the PCV system serviced. Then make sure a paper style factory air filter is used. Use the correct oil and then document exactly how much oil is used per...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...