RepairPal is your advocate for car care advice and guidance

Q: My engine rpm go way up win i start car stay up for 30 to 40 seconds on 2004 Cadillac SRX

Before coming down so I can start car
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
This sounds the most like a vacuum leak. If your engine is sucking in more air than it should, especially if that air is coming from somewhere besides through the air filter, you will find this condition.
If it acts normal when it heats up, likely you have intake manifold gasket issues, but it really could be a long list of "maybes".

Do you have a check engine light coming on? If so, scan and post the trouble codes here.
Didn't find what you were looking for?