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1999 Volvo S70 ETS light and rough timing during rain or fo

Tiny
ABE713
  • MEMBER
  • 1999 VOLVO S70
  • 6 CYL
  • FWD
  • MANUAL
  • 235,000 MILES
I would like to know the location of the computer console because when it rains or if driving though fog the ETS light comes on and the engine runs rough. I can correct the situation by resetting the computer( turn ignition off and on while driving). I believe that humidity is getting into the computer console housing and would like to inspect if the gasket or housing is cracked.
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Wednesday, August 19th, 2009 AT 6:33 PM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
Have you had Recall 155 done already on your car? If not it could correct the problem you are having. If it already has being done then you need to have your vehicle properly diagnosed. You could have a failing electronic throttle module. The module was covered under the extended warranty 10year/200k miles but looks like you went over on miles. If the throttle is bad you can try and have Volvo goodwill the throttle?
They may be able to rebuild the throttle for you. If they can you may need to have software downloaded but you willneed to go to Volvo or a Volvo independent shop for that.
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Thursday, August 20th, 2009 AT 1:10 AM

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