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850 stalls and won't start 850 1993

posted by  KlausC on  Thu Aug 19 11:06 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Just unplug the CPS, and measure the resistance on the plug that goes to the CPS. Do it with the ignition off, please. Do it now, and again when the car fails to start.

When it fails to start is alos a good time to check a spark plug to make sure it is firing. Remove the plug, put the cap back on, ground the threads of the plug against the block or some other unpainted/grounding steel, and crank the starter. You should see a spark arcing across the electrode. No spark usually means the CPS is dead or sending the wrong signal.

Make doubly sure that the CPS wires go under the distributer and the wires do not touch any of the sprk plug wires.

Klaus
--
Two great Volvos, a 1967 220 and a 1998 V70R






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