SOURCE: INTERMITTENT SPARK
Make sure the spark plugs are not platinum or anything other than regular copper plugs. The S-series uses a "waste spark" system and will destroy platinum plugs. Regular copper NGKs that came from the factory with the car work the best.
How do you know it is a spark problem? Are you able to verify spark, fuel and compression?
I ask because the usual solution to what you are describing in your problem is replacing the Engine Coolant Temperature Sensor (ECTS). The factory one is plastic and cracks. When it cracks it sends the PCM
a signal that the engine is 40F below zero. The PCM will compensate by
dumping A LOT of fuel into the engine to try and warm it up. It will
cause all kinds of starting and idling problems.
Autozone or the
dealer sells the better brass tipped one. The ECTS is located just
under and behind the upper radiator hose. You'll need to remove the air
intake tubing to see it or get to it. It has two wires going to it and
goes into a connector. Squeeze the connector at the "ears" and it will
come off.
Now is the time to check the connector for corrosion and gunk. If there is clean it out very well. If there is no gunk or corrosion continue on.
A 10MM DEEP well socket will take it out. Swap it quickly
because some coolant will come out (a couple of ounces). Hand tighten
it and snug it with the socket (not too much because it will strip
out). Connector back on (either direction it's non polar). Put the
intake back on and enjoy better starting and idling.
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
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The spark plug firing order for car?http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------How to gap spark plug ?http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html-----------Spark plug Replacing for?http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------How to identify number one spark plug on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------How does the spark plug wire go on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------Spark plug Firing Order Diagram?http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------This will help.Thanks.
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