I want to change the plug wires and am not sure how to know if it is properly wired now as it sounds like it is only firing on three cylinders. I changed the two coils and spark plugs. The wires are next.
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You'll need to double check each item you replaced one by one to find the cause. I recommend (In the future) to replace wires, start & check engine. Replace fuel filter, start & check, coil then star & check.
For wires, make sure you have wires going to correct locations, check for possible damage to spark plugs (Cracks or breaks), and good connections.
Fuel filter, make sure it's in proper orientation as to flow direction as seen on the arrow stamped on the side, showing flow direction. and make sure you are not leaking fuel anywhere.
Coil... Again, check connections and proper wiring.
You might also wish to check for proper "Hot" (Bright Blueish spark) at the plugs.. Wear heavy insulated gloves or use well insulated grips to hold plugs against engine block to view spark.
A dimer orange spark = bad connection or faulty wire.
Also if you have a manual, they usually have detailed troubleshoot guides.
Best of luck on a speedy diagnosis!
Unplug the engine control sensor wiring connectors from the ignition coil and the radio ignition interference capacitor.
Tag and disconnect the spark plug wires from the coil by squeezing the locking tabs, then twist the tab and pull upwards.
Unfasten the four ignition coil retainers and remove the coil and the coil ground wire the radio ignition interference capacitor. Save the capacitor and coil ground wire for re-installation of the coil assembly.
Wipe the coil towers with a clean cloth dampened with soap and water. Remove any soap film and dry with compressed air. Inspect the coil for cracks, carbon tracking, dirt or damage and replace as necessary.
I could look it up for you, but it doesn't really matter.
The easiest way when replacing plugs and wires is to replace each wire and plug one by one. You can then make sure they are all routed correctly and held in by the proper clips. Make sure you match the length of the old wire to the new wire so everything lays correctly.
start at each plug located on the cyclinder head...be sure to do ONE at a time...so you do not affect the firing order...remove the wire from the plug first and trace to the coil connection...measure length using the new wires to match one by one...also be sure when re-installing that you use some of the connector lubricant to properly seal and service the fresh connections...this lubricant is inexpensive and usually recommended by your Parts Store staff...
Remove the plug wires or coil on plug from the spark plug,
Remove the plugs.
Gap new plugs to spec and tighten to proper torque replace wires or coils.
You should put anti seize compound on the threads of the plugs
be sure the plug wires get put back on the corrrect plug
nissan has a coil on plug design, double check that you installed the factory recommended plug. Check each coil for arching against the head by looking at it for little electrical burn marks. These cars are also know to have bad harness connector problems at the injectors and coil plugs. Also, using an ohm meter, check the resistance of your injectors. Thay may or may not be operating properly.10 - 14 Ohms.
I had this problem too exept I have no clue what parts or blah b;ah blah. I just know that my coil pack was getting fried.burnt out because my wires were bad. The mechanic I went to was a moron because I took the car to him 3 times and he kept saying it was the coil ad kept replacing it. I took it to my uncle and he said my wires were in horrible shape and when this is the problem it fries your coil making your car run like a lawn mower! Well all i did was replace my wires and the car ran great! Well I hope this helped..