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Fastbutcrap

Car intermittently wont start

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Sometimes car will randomly not start. When i get in, put the key in the ignition, lights come on, normal, then i turn it all the way to on and wierldly enough the parking brake light comes on, the antitheft light glows red for a sec then returns to flashing, it does nothing. No click no nothing, all the dash lights come on tho. Under the hood u can hear a buzzing sound when the key is turned to the on position, havent really looked for the exact location its coming from. Another thing worth mentioning is, everytime u start it then turn it off it will have a lower and lower rpm level. Will return to its usual 2k rpm start up after an hr of being shut off.

 

Edit: it's a 2000 ford contour 2.5v6, auto 125k

Edited by Fastbutcrap
Forgot to mention afew things

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Sounds like an electrical problem. Speed sensor on the transmission can fray the wires at the transmission end and cause the anti theft system to act up and car not to start.

 

Fast idle is a function of coolant temperature. As the engine coolant gets warmer, the startup idle gets lower and lower. Leaving it sit for an hour is allowing the coolant to return to ambient temperature causing the faster idle you are seeking.

 

-Dominic

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