when i start my car it revs between 1500/2000 then just stops

2000 MITSUBISHI MAGNA
180,000 MILES
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SH44ZE
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the car revs up then just stops sometimes it will only do it once sometimes 6 or more times so i leave it for about an hour then it starts this doesnt happen everytime but the last couple of days its a daily occurance if you have any ideas i would appreciate your help i will get it to a garage asap thanks for your time Sharon
Oct 9, 2011 at 12:46 AM
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RIVERMIKERAT
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See if there are any codes stored by the computer. You should be able to find places that will do it for free. Check the throttle position sensor & Idle Air Control. It could be a problem with the cold start circuit, supplying too much fuel when starting cold. Rent/borrow a fuel pressure gauge from a parts store and see what sort of pressure is present at the regulator/test port.
Oct 9, 2011 at 12:55 AM