Question about 1989 Volvo 740
Hi, I have replaced coil, dizzy,and cap, bought new rotor,replaced leads plugs, got fuel getting up, but no spark from dizzy to block. I started it a week ago, started no prob.then died. No spark from dizzy to block
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Posted on Jan 02, 2017
SOURCE: Volvo 240 has no spark
Try a new engine rpm speed sensor. It is located at the back-top of engine block where it mates to trans. You will need to remove a single bolt (10mm socket or wrench). You may have to wiggle the sensor to lift it out. Another symtom you may experience, is when you are cranking the car to start, it will buck and act like it is out of time. Another possible component is the ignition power stage/amplifier.
Posted on Oct 28, 2008
Did you replace the plugs? How hot is the spark from the coil thin and blue? if it is big and orange it is a weak coil and should be replaced. If it is good try an other wire from a different car (do not put a spark plug in it) and see what the spark looks like if good put the plug in it and check the spark again if this is a good the wires are bad
Posted on Mar 06, 2009
it is likely either the Crank position sensor, or the ignition module. (module is in the left front fender area behind the turn signal)
Posted on Mar 26, 2009
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