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HELP ! cold start problem 3.2 v6 cayenne 2005

spiderscott
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spiderscott Member

spiderscott

Posted
Posted

Hi Ive recently purchased a 2005 v6 3.2 cayenne and now have a problem when the car is left overnight and engine is started when cold. ingnition turns over fine (and plenty of battery juice) but engine will not fire up, If i pump the gas pedal really fast and after 4/5 restarts of the ignition fully off and on eventually engine will splutter into life but run really rough for a while almost to the point of cutting out again (somethimes it will) and then after 40 seconds of revving or another switch off and on will run fine.

After this inital problem from cold (lets say first thing in the morning) the car will then run fine all day, problem is only when its left for say 9 or 10 hours + ???

Any ideas please please please??

wvicary Member

wvicary

Posted
Posted

Test the fuel pumps( both of them) for pressure and volume. There is also an updated coolant temp sensor for your engine but a failure in that circuit triggers a check engine light. Do you have any codes in the system?

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