Question about 1986 Buick LeSabre

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It just turns over. I replaced coils, and plate, also the computer. I have spark.

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Okay you have spark what colour was your spark did you use a spark tester or just a spark plug?

Posted on Dec 30, 2010


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1996 isuzu truck , wont run. it has no spark. it turns over fine. thx ken

Coil(s) are notorious for going bad. The factory coil is riveted to plates on back of intake manifold. Replacement coil has new bolts and nuts.

Mar 02, 2011 | 1986 Isuzu Pickup

1 Answer

Hi i have a 1999 malibu w/randum misfireing cyl.1and3 check for spark it have very little spark alreaty change spark plug boots and coil pack harness still nothing could anyone help. thanks

well since you have already eliminated some possible causes now try the ignition module its the plate underneath the coil pack it is not a coil because then it would be misfiring on both cylinders to the coil and 1 goes with 4if this does not solve your problem only one thing left a bad computer causing this problem if you use a scanner you will see it actually is detecting the misfire through the injectors and that means the injector drivers in the computer are worn out. i have seen this several times and when you replace the computer it will have to be reprogrammed by a chevy dealer because the anti theft will not allow it to start . hope this helps you.

Oct 30, 2010 | 1999 Chevrolet Malibu

1 Answer

No spark

Check the leads on the pickup coil under the plate in the distributor. If one breaks the distributor needs to come out, lower gear needs to come off and shaft removed to get to it (not really that hard).
If the leads are good then the module mounted on the plate needs to be changed. (there is no valid test for that part except to replace)

Jun 05, 2010 | 1988 Chevrolet Caprice

2 Answers

Cyl. 3 miss fire code po303

my money would be on the coil cover, especially if it had been a long time since the last tune up. it is certainly worth trying, as this is part of a routine tune up anyways. good luck!

Mar 18, 2010 | 1999 Pontiac Sunfire

1 Answer

Cranks will not start where is the sensor that makes it get fire to the motor I belive it is not fireing .

Grab a Spark tester from a parts store if you believe it is not firing, and locate the coil packs. Plug the tester on to the coil pack, and in to the corresponding plug wire when you turn it over you will see spark if it's working. If a coil is not working, switch it with another coil and see if the good coil has spark in the same position as the one that appeared bad. If the good coil also does not fire from that position, thecontrol module is bad. The control module is the plate that the coil packs sit on it is quite easy to replace by removing the coils, however not the cheapest part, hopefully it is the coil for your sake.

Dec 12, 2009 | 2004 Pontiac Grand Am

1 Answer

Only 1 Spark

Replace the coil that gives the spark, check that the distributor plate is not wore out if you have a ohm meter let me know And I will tel you how to test it and the breaker plate on the distributor.

Aug 26, 2009 | 1990 Volkswagen Jetta

1 Answer

1993 ford explorer

If you have fuel, replace the coil plate, you fried the diode in the coil plate causing it to not fire to test you need a spark plug detector light to see if your getting spark. If you just disconnect the wire and test it like the old spark plug system you will fry the coil or the diode in the plate, I forget what ford calls it, GM calls it a firing diode?? I think rusty memory.

Jun 01, 2009 | 1993 Ford Explorer Limited

1 Answer

My 2002 dodge ram van cranks/ won't fire

The coil is inside the distributor cap. It is a flat round plastic plate the cap pushes downn on when you put it on, with wires going to it. Disconnect the wire connector, remove the distributor cap, remove the rotor, pull up on the wires till the coil/plate pops off the distributor housing. Replace with new coil, reverse procedure to assemble it all.
Be careful to clean inside the distributor when you have the coil out, as it does not come apart often, and sand and dirt builds up under the shield/plate of the coil, especially in dusty areas, so blow it and wipe it out good. Put the new coil in. Put the rotor on, then the cap.
Replace all this stuff if you have trouble with the coil.
Also, replace spark plugs or clean them, as misfires and mis timed spark can cause one or more plugs to really carbon up fast and bad.

Dec 26, 2008 | 1998 Dodge Ram

1 Answer

Car still wont crank

sorry for the delay but if you can't figure whats wrong and still no spark try to see if any of the wires going to the coils have pawer when ignition is turn on, if not thats the problem but if does then it does not mean you have to take it to the dealer, any auto repair will fix it, it does not have to be the dealer, and on the coil plate, was the whole plate replaced with the module on the bottom or jkust the coils? because they are together with the ignition module, and the module might be the problem

Jun 26, 2008 | 1993 Buick LeSabre

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