Question about 1998 Nissan Pathfinder
Posted by Anonymous on
For the 1998 Nissan Pathfinder 3.3L SOHC V6
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Posted on May 17, 2010
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Posted on Jan 02, 2017
The cylinder order is 1,2,3 (rear row, left-to-right) and then 4,5,6 (front row, left-to-right).
When replacing spark plug wires or plugs, it's very helpful to do one at a time to avoid connecting them incorrectly.
Hope this helps, Sherwin
Posted on Dec 29, 2009
SOURCE: Spark plug wires order
from front to back
1-2-3 on passenger's side
4-5-6 on driver's side
1-2-3 in the rear counting from passenger's side
5-6-4 in the front counting from passenger's side
Posted on Mar 09, 2010
On any four cylinder engine the firing order is always 1-3-4-2. Cylinder 1 is at the front of the engine, the same end as the timing chain and the opposite end to the gearbox.
Remove the spark plugs and manually turn over the engine until the timing marks line up (down by the crankshaft pulley). You can use a socket on the crankshaft nut to turn the engine bit by bit, the purpose of removing the spark plugs is to prevent cylinder compression making it easier.
Once the timing mark has lined up, remove the distributor cap and observe the position of the rotor arm and briefly pop the distributor cap back on: the lead exiting the cap above the rotor arm should go to cylinder #1. The next quadrant that the rotor arm advances as you turn the engine over to will be the position that the lead for cylinder #3 attaches. By the same process you can then identify where the leads to cylinders #4 and #2 go.
When finished, ensure that the distributor cap is securely fastened and refit the spark plugs: if they're taper seat spark plugs (no washers) then when they just get tight then tighten no more than a further 1/6th of a turn. If they have washers then it's an extra 1/2 to 3/4 of a turn and a bit more if they're brand new plugs where the washers have never been compressed. Refit the leads in the correct order which you've just established and make sure that they're secure and you should be good to go unless there's another problem.
Posted on May 26, 2010
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Inspect for the correct routing of the spark plug wires. Improper routing may cause cross-firing. Inspect each wire for any signs of cranks or splits in the wire. Inspect each plug wire boot for tearing, piercing, arcing, carbon tracking or a corroded terminal.
If there is any corrosion, carbon tracking or arcing indicated on a plug wire boot or terminal, both the plug wire and component it was connected to should be replaced.
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