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The coils not firing what would it be - Cars & Trucks

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If the coils are not firing, I would suggest you check the high-voltage power source for the coils. That's a quick answer off the top of my head.

Also, it is a good idea to check the distributor as if it is not working correctly, maybe the signal is probably grounding out and failing to charge the coils.

Another possibility might be the timing belt as it may not be turning the distributor correctly. This would also effectively cause the coils to hang fire.

Remember, though, that these are three possibilities out of many more. I would honestly suggest tracing the voltage from the alternator to the battery and then on through the ignition system step by step until you find the exact spot where the signal fails. Once you have found the spot, repair it.

Posted on Nov 12, 2014

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Posted on Jan 02, 2017

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What would be the problem 1998 toyota camry 4 cylinder 1 of the coils is not firing


if you have 12v and a switching signal but the individual coil wont fire,
verify its the coil by switching it with another cylinder. if the problem follows the coil to the other cylinder you must buy one

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TEST COIL PACK TO SEE IF THAY ARE FIREING


on the straight six you will remove the bolt holding each coil to the valve cover. Remove one coil and use either a spark tester or a test light. If there is spark the coil is good. If there is no spark swap that coil with another. If the swapped coil fires than you know the circuit is good. If the coil that didn't fire still doesn't fire than you know the coil is bad.

Did that help?

If you have any questions let me know.

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Changed coil pack that wasnt firing started fine


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Your firing order is 1-3-4-2. There are 2 ignition coils under the cover sitting on top of the engine. One coil fires cylinders 1 and 4. The other fires cylinders 2 and 3.

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