Changed ignition parts cap, rotar, wires, ect, timed, used fuel cleaners, changed timming chain and parts, compression in all cylinders at 170, checked EGR, changed fuel filter,changed mass air flow, checked for vacume leaks, newer O2 sencer, at a loss were to look.
SOURCE: Erratic Idle - When starts the idle is about 1100 RPM as it warms up, it goes to 700 - 400 RPM
Have you "reset" the computer on the car. When parts are replaced, the comp continues to run the vehicle on all the old settings which can drive you nuts because nothing you do will fix a problem. Usually, taking both battery cables off and waiting for 15 minutes will reset the computer. If this does not do it, then ask a dealer how to reset yours.
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