Quote:
Originally Posted by FerrariEnzo
i dont have an OBD reader...
how do i clean the IACV...
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90-91 aren't equipped with obd.
there is a 2 wire service connector just above the passenger kick panel. you jump that with a paperclip and if you have any codes, the engine light will throw a series of flashes corresponding with the code(s). do a search. there are tutorials all over the net.
the IACV (idle air control valve) is located on the back of the intake manifold. it's held with 2 10mm bolts and has 2 small coolant lines attached. unbolt and clean the screen if it looks plugged with carbon. the actual valve may have failed though, in which case replacement will be necessary. do a search on that as well. i believe there is a test you can perform to check if it's functioning correctly.