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94 volvo 940

01-08-2010, 08:50 PM
i have a 94 940 and it ran fine and now it cuts off while im driving and then wont start for awhile. i changed the ignition coil and it still did the same thing so i put the old one back on and changed the fuel pressure regulator and it still does it. So i took the wire that runs from the coil to the distibutor off and put it next to the engine block to see if i get a spark and it would sometimes spark and there was times i would get no spark can someone tell what would cause that

01-09-2010, 09:01 AM
Just a guess. Crankshaft position sensor, either the sensor or the wiring to it.

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