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try disconnecting the battery for 10 to 15 minutes, then once the battery is reconnected, start the engine and let it sit and idle for 5 to 10 minutes. this should reset the idle control and makes it run a lot better. it doesnt hurt to clean the battery posts and cable connections while battery is disconnected incase a good electrical connection wasnt being established.
this worked for me and maybe it will help you too.
Hey greenterror, you probably will want to remove the spacer, many people have had issues with these products, even a loss of HP on a dyno. They dont gain you anything and your not the first to have "issues"...
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