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Have checked all pipework and is o.k,have also changed the maf,the car still has hesitation at steady speed as before
Try checking for a poor or partial electrical connection is being pushed apart on one of the major sensors so check the connection plug and wiring to the following;
Crank position sensor
Cam position sensor
Throttle pedal position sensor
Surely if it was a connection the fault would occur all the time whilst driving not just at a constant speed,no problem at idle or when accelerating