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Enes
Enes, Volvo Master Technician
Category: Volvo
Satisfied Customers: 5477
Experience:  18 yrs+. experience as Volvo & ASE Certified Master Technician.
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VOLVO S40 DL when cold car starts and drives normally about

Customer Question

VOLVO S40 DL when cold car starts and drives normally about 1/2 mile into journey stops at traffic lights and idles normally moving off will not accellarate above idling speed. turn off and restart and car moves off normallt.
Submitted: 2 years ago.
Category: Volvo
Expert:  Enes replied 2 years ago.
Enes : and welcome to our web page here my name is***** a Certified Volvo Car Expert Mechanic.I'm going to try today to answer your question.
Enes : i would check codes
Enes : Gas pedal connection and terminals go bad on gas pedal
Enes : also to remove throttle and clean it can help
Enes : and I would install new engine control computer software that will re update new idle parameters and control
Enes : software can only be done in volvo garage dealer