Poor acceleration when cold

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Rob321

New Member
Joined
Feb 16, 2017
Messages
22
Car
Mercedes w202 c200
Hi I wonder if anyone can help.when starting my 1998 w202 c200 From cold After approx 2 mins of driving the revs die down and the car has no acceleration for about 20 seconds then it accelerates as normal.This only happens from a cold start I,ve replaced spark plugs, man sensor and coil packs,there is no issue with starting or ticking over etc. Thanks for any advice
 
You’ll need to look at some data when it happens ie what does the coolant temp read?
 
Hi the coolant temp reads approx 30 as car is warming up from cold. The temp never goes above 80 when fully warmed up. Thanks
 

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