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I'm just gonna cut to the chase .engine won't idle .reduction in power after about 7 min of driving. replaced maf sensor ,throttle positioning sensor ,fuel pressure,regulalator,air filter,spark plugs and wires fuel pump and knock sensors,performed security passkey codes scan tool ran p1518 as well as other throttle codes .reinstalling throttle positioning sensor and backing out screws a bit.
HELP.
 
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