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Harsh jerk/bang at speed? V70-XC70 2004

posted by  someone claiming to be Peter on  Tue Nov 18 09:31 CST 2008 [RELATED]

I'm experiencing a power interuption, the jerk/bang, usually at the latter part of a long days drive and usually on hot days, ie. 80 degrees. The car jerks (frightening) then the instruments die and then the dash lights die sometimes not returning till you turn it off and start it up again. This is not consistant as sometimes it will jerk and just continue or the dash will die all by itself. I tried just using the geartronic as the tach bounces up a bit signaling a possible trans issue. This didn't help. Volvo did a computer update but that didn't change anything. I've even gotten the ABS warning, the check engine light, the you have no brakes, pull over safely, and the SRS-airbag message.

I'm curious if it's one of the sensors that tells the computer to shut down? If it is, which are the sensors that have that capability?






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