RPM is crazy!

[imported_Thrasher_VTi]

Well, my RPM is crazy! What can I do? The RPM is going up and down, all the time!
I have a Honda Civic VTi model 93 160hp

Thank you all.

[imported_biocac]

thrash - there could be a few thing that could be going on.

I had a few hatches that I experienced an abnormal rpm fluctuation in.

Here is what they were:

air idle controll valve - it caused my idle to go apeshit, lol since the idle was thrown off . . so was the rpm obviously.

the other problem was in my ecu. I've chipped a few in the past and for some reason, that one didn't take to the chips too well. If you did ever chip / mod yours, I'd look there first.

I'll check back to see how it's doing.

Sam -

[dubcac]

Could be any of these:

Vacuum Leak
Idle adjustment screw
IAC
ECU

[imported_Thrasher_VTi]

Well, There is a little cable connected to the PGM-FI, if I disconnect the cable, the RPM stays in 900 rpm, but if I re-connect the cable, the RPM becomes CRAZY again, and, if I start the engine without the cable, the "engine problem light" appears!

Sorry about my bad fucking english... I hope you understand and may you help me!

thank you all, anyway!

[_Keith_]

Originally posted by Thrasher_VTi@Nov 10 2003, 05:40 PM
Well, There is a little cable connected to the PGM-FI, if I disconnect the cable, the RPM stays in 900 rpm, but if I re-connect the cable, the RPM becomes CRAZY again, and, if I start the engine without the cable, the "engine problem light" appears!

Sorry about my bad fucking english... I hope you understand and may you help me!

thank you all, anyway!

Sounds like you got a pair switched or somin.