Volvo XC70 This wagon/SUV crossover offers the capabilities of an SUV without SUV size.

dying at idle

Old 04-17-2008, 06:45 PM
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Join Date: Apr 2008
Posts: 1
Default dying at idle

2001 with 100,000 miles. runs fine on hwy. when i come to a stop the rpm's flucuate fromm 1k too 500 rpm and sometimes dies. engine seems to jump. i disconnect the connector to the mass flow valve and the dying seems to get better but it is not solved completely. i need to take it to the neareswt dealership (100 miles away) can i drive it with the connector disconnected or will that cause harm. it was suggested by an ex-volvo tech. that the throttle body may need replacing. ( i drove 20 miles home disconnected and my gas mileage went from 23.6 to 33.2) if i can get a reply tonight before i make the journey to the dealership tomorrow it would be greatly appreciated.
Old 04-17-2008, 07:16 PM
tech's Avatar
Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Default RE: dying at idle

If it were me I would try cleaning the throttle body first.
But it isn't an easy task on yours.
It is up under the intake manifold.
Old 12-30-2008, 10:10 AM
nuf is offline
Join Date: Dec 2008
Posts: 2
Default RE: dying at idle

i have the same problem.. were you able to fix it....
Old 12-31-2008, 08:02 AM
Psaboic's Avatar
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Join Date: Jan 2006
Location: SW, WA
Posts: 2,225
Default RE: dying at idle

Try cleaning the throttle body, then try cleaning the MAF and see if that helps.
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