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Lumpy/hesitating when cold


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Hi Steve.

I have a similar problem but mine cuts out then starts again and runs fine til the next

time its cold then same again,a few places to look as you may allready know are,

tps connector /temp sens con/ maf con/ptu con/ I would go for tps and temp sens

connectors first.

Do you have any fault codes?

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Hi Steve.

I have a similar problem but mine cuts out then starts again and runs fine til the next

time its cold then same again,a few places to look as you may allready know are,

tps connector /temp sens con/ maf con/ptu con/ I would go for tps and temp sens

connectors first.

Do you have any fault codes?

ECU is code 55 OK

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im have simular probs with mine when cold im watching this thread for developement but probably get replys to search faqs ect.

most hesitation is when its warm people put it down to ptu... this one i have found to be quite unusual. i suspected a lazy o2 sensor messing up the mixture but i got told these dont kick in until 2 mins after starting so not sure.

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