5.3 misfire???

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02cadiHOE

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Apr 11, 2007
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my 02 tahoe is misfiring on cylinder 4 says my obd2 reader. i replaced all the plugs and wires and the coil on that cylinder and that didnt help. what sould i do next? HELP??!!! p.s. my cruise stopped workin right before it started misfiring, think theres any connection?:confused2:
 
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