Hesitation with cold motor
Can someone tell me why my 2005 997 hesitates during take off while the engine is cold. Keeps doing that until engine oil warms up yo around 200. Changed the spark plugs since car has 63K miles. Need to clean body throttle? Please help.
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I had a similar issue. I changed the plugs and a faulty coil, it solved the problem. if you changed the plugs I would check the ignition coils next.
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Did you change all the 6 coils or found the faulty one?
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I changed just one, it was cracked.
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Thanks. I need to check mines. Are the crack easy to identify? Cracks on plastic housing? How much to replace?
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yes, fairly easy to spot. They are about $50 a piece (ballpark) I should have replaced them all last year. The coils are a know issue.
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Thanks krysFly for your help. Great forum!
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Guys, still having hesitation problem. New spark plugs and coils looked ok. What else should I check? Is this normal when engine is cold?
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Originally Posted by luigi007
(Post 3639430)
Can someone tell me why my 2005 997 hesitates during take off while the engine is cold. Keeps doing that until engine oil warms up yo around 200. Changed the spark plugs since car has 63K miles. Need to clean body throttle? Please help.
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Originally Posted by luigi007
(Post 3640946)
Guys, still having hesitation problem. New spark plugs and coils looked ok. What else should I check? Is this normal when engine is cold?
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Originally Posted by luigi007
(Post 3639430)
Can someone tell me why my 2005 997 hesitates during take off while the engine is cold. Keeps doing that until engine oil warms up yo around 200. Changed the spark plugs since car has 63K miles. Need to clean body throttle? Please help.
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Thanks danversteve and dadio. I never push my car when cold. That is a given. Also, cleaning the MAF was my next item to check. It seems that it is a very common item to do. Is cleaning the body throttle also very common? What should be the frequency on both MAF and body throttle?
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Originally Posted by luigi007
(Post 3641321)
Thanks danversteve and dadio. I never push my car when cold. That is a given. Also, cleaning the MAF was my next item to check. It seems that it is a very common item to do. Is cleaning the body throttle also very common? What should be the frequency on both MAF and body throttle?
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Originally Posted by luigi007
(Post 3641321)
It seems that it is a very common item to do. Is cleaning the body throttle also very common? What should be the frequency on both MAF and body throttle?
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Originally Posted by denversteve
(Post 3641430)
I've never had to do it after three Porsches. Before taking anything off and cleaning it without a known need, I would run a bottle of SeaFoam through the system and see if that helps. It usually cleans things needed cleaning pretty well.
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