How to test pickup coil 1990 chevy pickup?


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Demond Stroman
2020-03-04 15:44:21
2020-03-04 15:44:21

hey are located inside the distributor and function as the trigger for the ignition system to produce spark. The pickup coil monitors the rotation

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For flashing headlights just put a new one in.

Take off the modual and coil pack take it to autozone they will test it free.

Coil's are pretty inexpensive, if it is old, you could just buy a new one put install. If you want to test use an ohm meter to see if power is making it into the coil, and then make sure it is flowing form the distributor to the plug. the first way is kinda of technical, the plug test just requires that you put the plug wire against something metal and try to fire the motor.

Next time you replace the coil, test and if necessary replace the resistor.

If you are not getting spark to any of the plugs could be coil rotor and/or cap HEI ignition?

That year blazer does not have either one of those sensors. If you are not getting any spark to the spark plugs. You should replace ingnition module. Need to make sure the coil wire is good, check ingnition coil also.

There is a test procedure for that using an ohm meter. Consult a Chilton's or similar repair manual.

test ignition coil,ignition module,pick-up coil,electronic spark control,and knock sensor

Yes, the coil does not affect a pregnancy test.

Have a fuel pressure test done. A 4.3L should have 60 to 66 psi, a 2.2L should have 41 to 47 psi.

You cannot test it with a diagram. You will need a multimeter to test the coil. Click the link.

there is nothing to test a coil is just a peice of metal rapped in circles

1999 Alero how do i test ignition coil pack

You can test the ignition coil on a car by using a multimeter. A bad ignition coil can be the cause of a car not starting.

Check the carborator, fuel pump, fuel filter, fuel pickup tank unit. If all are ok then replace the coil and check test light for power with key on for power to hot side coil. If all else fails call your local garage for an appointment to your 305 cheby.

Use a scanner to see which cylinder(s) has the misfire if its two that are fired by the same coil then replace the coil if its just one its probably a bad plug or wire The coils are unbolted by using a 5.5 mm socket

I found the easiest way to do this is read the codes, if it is reading a misfire on one cylinder, then swap that coil pack with one of the other cylinders coil packs, then you will have to clear the codes and drive it, then see if it throws a new code on a different cylinder.

get a volt meter. turn it on. put one end on the +. the other end on the -. if you get a number greater than 12 with the car running then your golden.


Try the ignition control module. Had the same problem with mine $36 part fixed it. The ignition control module is in the distributor and so is the pickup coil, but the ignition coil is by the battery. There is a spark test that can be done. If it was already done and couldn't see a spark, then it could be the ignition coil it self , the ignition wire, or any possible electrical connections.

Have you run a diagnostic test on the vehicle yet? Many vehicles of that year will self-diagnose problems and let you know what's wrong. It could be the pickup coil, a poor connection or even a faulty keyswitch... but you don't just replace parts until you find the problem. That just introduces additional problems for you.

does the coil pack make it run better

Here's how i tested the COIL ON a DODGE RAM and it should apply to any coil . you need an Alligator clip ok, you clip that into the plug end of the coil harness , NOT THE COIL ON THIS MACHINE IT doesn't matter if it is live or ground. TAKE A TEST LIGHT clip the ground of the test light onto the alligator clip OK , NOW TOUCH THE OTHER SIDE OF THE HARNESS. GET A HELPER TO TURN THE KEY OVER IF THE TEST LIGHT STAYS SOLID RED OR GREEN THE COIL IS A PASS GREAT OK RUN. IF IT FLASHES LIKE A TIMING LIGHT THE COIL IS shot . I RECALL THE COMPUTER WILL MEMORIZE THAT THE COIL IS GONE AND IT WILL FLASH THE TEST LIGHT TELLING YOU I AM SHOT.

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