Question about 1997 Volvo 850

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Speedometer work on and off on a 1997 850 Volvo

The oil cap of my 1997 850 volvo was so bad that soak the engine in oil. To clean it I use degreaser to clean the oil and then I rinse it with water. Now the speedometer work on and off (on intervals) and I have no Idea where is the sensor on the engine or the transmission to check that conection. I think some connection is loose. Any help please

Posted by JoseRiver_fl on

  • zacharya May 11, 2009

    My speedometer/turn signals/head lights sometimes will not work on start up but after time begin to work. Any idea where to start looking?

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Back of engine at the very bottom on the trans where the axle mount

Posted on Aug 26, 2008

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This is why some supernatural (intelligent design force) created WD40.

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I had oil on my engine so I used an engine degreaser/cleaner to clean it and got a little carried away when I rinsed it with the water. When I started my car it drove for about 100 ft and then died. I was...


most likely you got water problems. the distributor may have water in it. you can choose to take the cap off and dry it yourself now, or just let it set for 5 or 6 hours and it will start again. if that light does'nt go off, take the positive cable off the battery for 5mins and the computer will reset itself. it's happened to the best of us. i hope this helps,,good luck!!

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I have a 1999 Jeep Wrangler with the 4.0 liter engine. Was running fine until I decided to clean the engine. After degreasing and rinsing the engine and under hood, I let it idle. It ran for five minutes...


You could have gotten water in the distributor, remove distributor cap and remove as much of the water that you can, then get a can of wd-40 and spray all in there and the inside of the cap, install cap back on, should start up.

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