Question about 1982 Volvo 240 Series
Hi, I have a real challange for y’all
Car won’t start. No spark. Was running fine before I did something (a week or two of messing with this car and I have forgotten what I was working on, but it had nothing to do with the electrics, and certainly not the starting system.
Have run all the basic tests ala official shop manual and Volvo Problem Solver. Nada.
No spark from coil
Tried the basic test and hooked a bulb to Terminal 1 of coil and ground and cranked engine - did not light
Swapped in another coil from a running car. Did not work
Hooked up my timing light to the coil (both coils), as well as to plug one, no spark - except after cranking it with no spark, got one flash at the end, I think after I finished cranking. This has happened twice.
Terminal 15 on coil is live
Terminal 1 on coil is about 1.4 volts, right where it should be
The impulse sender resistance is in range
Neither terminal of impulse sender is grounded
Have another control module, swapped it in and no change (both read about the same on the terminals that go to impulse sender - .06 volts and about .5 volts)
Continuity in wire from impulse sender to control terminal
Cleaned contacts and several grounds (engine wall by battery, windshield wiper)
There is a relay that controls the spark and fuel. its sometime by the battery or under the dash right of the glove box. two relays in one pack you can replace both with seperate ones good luck i got stumped on one like that
Posted on Sep 19, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
CAR NO START PROBLEMS:-----
can be the issue with weak battery or faulty battery or if battery is ok,then
its faulty starter causing the issue.But if these basics are checked ok,then the problem is low fuel pressure or no spark:------
start to end troubleshooting these problem i suggest you to click the link
below and follow its procedure:-----
What to Do When Car Turns Over But
Car starting issues?
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