Question about 1996 Volvo 850
Have replaced the crankshaft sensor plus coil module still not working any ideas pls
You will need to check for power at the coil and computer, it sounds like you have a bad fuel injection system relay. Sometimes referred to as the DME relay in Bosch systems, which is what I think you have.
Posted on Mar 08, 2009
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Ignition coil driver module
Crankshaft position (CKP) sensor
Now which part do you want to replace ?
Cap and rotor
Camshaft position sensor
Gear drive and shaft
The camshaft drives the distributor shaft which rotates providing a spark to the correct cylinder by way of the cap and rotor. The camshaft position (CMP) sensor functions much like the crankshaft sensor previously described but provides only a 1x signal to the VCM. That is, for every 2 rotations of the crankshaft, there is 1 rotation of the camshaft. Note that the camshaft position sensor will not affect driveability. The sole purpose of the camshaft position sensor is to provide the VCM with the necessary information for the misfire diagnostic trouble codes (DTCs).
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