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This is not the firing order that is stamped on the coil packs.
Coils are matched by 2 pairs of cylinders for ignition spark plugs and coils system.
1- Like 5 2 and 3 6 and 4 1
2- Pairs of 2 cylinders are firing at the same time.
3- When cylinder number 5 fire at ( Power Cycle) the cylinder number 2 fire but in ( Exhaust Cycle ). That is why you have those number stamped on the coil packs.
I would replace the coil pack, and see if that fixes your issue. You may still get a shock from a bad coil pack, but simply not enough of a punch to fire your plugs!
The coils these days are operated by the ecu's and faulty coils can cause damage to the ecu if not replaced asap, the coils in the coil pack are charged by a current and then the voltage increases from 12volts to the amount needed to jump across the spark plug gap(alot) not dangerous unless you have a heart condition.
Check the spark plug first. then if the plug is good you wil need a digital ohm meter to test the coil pack. if you need to know how to remove the coil pack let me know, to test put on ohms should not have more than 2 1/2 ohms restance betweent coil lead to coil connector. If you test the coil pack on both sides of the pack and get a reading then the coil is bad, if it does not read then you haave a bad fireing plate diode.
should have coil packs instead of distributor, check the power wires (one on each side of coil packs), if they are tight and getting power, the plate that the coil packs set on might be bad, take off and have tested at parts store.
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