Question about Cars & Trucks
No spark coming from coil
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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
SOURCE: no spark leaving coil
First determine what ignition sys yu have, is it a DIS, (direct ignition system) which does not have a distributor,
if you have a distributor first i will check the ignition rotor, make sure it is not brned through and if you find that the ign rotor is burned replace the rotor and also the spark plug wires which caused the rotor damage.
secondly if you have a distributor check that the pick up coil is in good condition check for continuity using an omh meter, disconect the wire coming out of the pick up coil (the one in the distributor, not the coil inside the distributor cap!!) and connect an omh meter to it if you have ressistance the the cois contunity is good however make sure that the pick up is not grounded if the pick up is ok the you have either a ignition module in the distributor is bad or the ecm is no good. Hope thsi solves the problem, Good luck ( Roby).
If it is a DIS the the first thing to check is the crank sensor, suing an omh meter and if the sensor is ok most of the time the vehicle's computer (ECM) has to be changed.
Posted on Nov 10, 2008
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