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Well should be pretty basic youll need a 3/8 ratchet and an extension and a spark plug socket, if you cant see the plug wires and plugs you may need to take a cover off but they should be visible at the top of the engine, remove the plug wire and unscrew the spark plug, install new plug and replace the wire, do one at a time so you dont get the wires mixed up
It is very common on ALL SATURN S series vehicle for ignition module failure. Usually the symptons are running rough and possibly a check engine light with misfire codes-P0300,P0301,P0302,P0303,P0304.
Some people have attampted replacing plugs and wires,even coils and continually have the problem reoccuring. What happens is the ignition module bolts(x4) stretch out through time and corrosion builds up underneath the module causing incorrect spark displacement. In turn this damages the plug wires and even at times the plugs. What needs to be done is replacing plug wires, plugs if needed, the ignition module bolts(saturn dealer item only)and the ignition module-NOT JUST THE COILS.
This should fix your problem.
According to Saturn timing specifications, the internal
firing order for the Saturn 1.9L motor, both Single overhead cam, or
Twin cam is as follows:
Left to right 1-3-4-2
If you are routing spark plug wires, and need to know the order of wires
from the coils to the engine, the order is as follows:
Left to right 4-1-2-3
go to autozone.com and set up a free account. You will then have access
to vehicle repair guides and can get all the info and diagrams you
need, plus help with troubleshooting! Hope this helps!
Check you spark plug wires, spark plug, and distributor cap and rotor. Make sure the spark plugs are gapped correctly and they do not look worn or fouled. Find a relatively dark place, start the engine, raise the hood, and look for blue arcs (sparks). A little windex sprayed on the wires will enhance this effect. If you see these sparks, replace the wires, and your problem should go away.
replce the valave cover gasket. while you are ther replace the spark plugs and wires, use QUALITY spark plugs and wires ,NOT FROM AZ and NOT any spark plug form BOSCH
It has a maintenance recomendation from the manufacturer for replacement of the spark-plugs at 100,000 miles. You don't list mileage or V6 or L4 cylinder. Make sure engine is cold because the cylinder heads are aluminum and can be damaged if plugs are removed hot or overtightened upon reassembly. Remove spark-plug wires and replace spark-plugs. Sometimes the wires break when you remove them and will require replacement. If you coat the inside of the wires where they connect with the plugs with dielectric grease it will help prevent the wires from breaking upon future disassembly.
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