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i replaced icm. water pump. spark plugs...wires...radiator....hoses. but not the optispark......do you think that may be the problem??? or is it the ecu??
 

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Are you getting spark at the coil? Are you getting spark at the plugs? Are you getting 41-47psi fuel pressure with the key on and engine off? You can throw parts at the problem until you're out of money. Do a full diagnosis first.
 

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See the first sticky in this section. Does anyone read this stuff?
 
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