N E 1 ever had a vaccum problem like this....when the weather is cold out side idles fine but when the temperature gets warmer at idle the rpm goes up to 2000 then down to 1500 repeatedly???
MY BEST ADVICE TO YOU WOULD BE TO CHECK ALL YOUR VACUUM LINES.A HOLE IN ONE OF YOUR LINES OR JUST A DISCONNECTED LINE COULD CAUSE THIS IDLE PROBLEM. :w00t
is your FIV hooked up with coolant running through them? check the IACV and TPS?
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