The Firing Order for the 4-cyl engines is 1-3-4-2. jb
Correct firing order of plug wires on motor and cap on a 90 chev suburban
check haynes manual "firing sequence" or "firing order"
The spark plug wires in the cap should go clockwise in the firing order. The firing order is: 1-2-3-4-5-6.
order is 18436572 clockwise rotation. #1 cylinder is front driver side.
Get a tune up. Replace cap and rotor, spark plugs, spark plug wires, and make sure the wires are in the correct firing order.
Be sure the firing order is correct, you may have two wires crossed. The firing order is 1, 8, 4, 3, 6, 5, 7, 2.
The firing order is printed on the block, 1-3-4-2 if I remember correctly.Start at the position nearest to the coil and continue clockwise.
1 8 4 3 6 5 7 2
The firing order for a 1978 Datsun 6 cylinder engine is 1-5-3-6-2-4.
Check firing order
By looking the firing order you shows; I can see that if you change the number 1 for the number 3 and start from the number 1, you now have the correct firing order… in other words: just swap the wires 1 and 3. Saludos!
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