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HELP Idle problem - Click HERE for Original Thread

sokol
I have a 89 civic 1.5L DX. It idles up then down all the time every time. Seems its does it when it reaches a certain temp. but i could be wrong. Anyone ever run into this problem before? Also there seems to be a big delay sometimes when you wait for the fuel pump buzz. Anyone know what thats about?
Any help or advice would be very much appreciated.
Thanks!

86SilverFox
do you have any sound system in the car?

sokol
theres no sound system

86SilverFox
possibly a bad air flow sensor? no sure but that would be my guess.

Fish_e_o
my car did the same thing it'a the iac on my car might also be the egr kicking on because of a vac leak

Fish_e_o
whoa after reading ur post again you should replace your fuel pump it should sound smooth not buzzing i can't even hear mine unless i put my ear to the tank pretty much..

Fish_e_o
it's the idle air controler not familiar with your car but it shouldbe around the throttle body p.s. ur inbox is full




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