Rough idle...

[s1ngletracker]

Hey, i've got some idling problems in my 92 AWD talon, which seem to be different than the usual ISC problem.

First off, the idle is really rough... its lumpy and doesnt like to rev in the low RPM range.

Second, the idle isnt relaly "catching" after I rev it. IE I release the clutch from cruising in gear at 3000 rpm, and it likes to go straight to 0 RPM and die if I dont feather the gas pedal.

So far i've replaced spark plugs and wires, to no avail. What else could be causing a rough idle? coils? some other ignition component? Oxygen sensor?

Has anyone had experience with this?

Thanks!

[iceminion]

Sounds to me like a melting ECU, had the same problem, and after replacing the ecu, all my problems went away.

[s1ngletracker]

reallly.... do 92 ECU's still have the capacitor leaking problem?

[Steeltwo]

check your biss to make sure it's there

[s1ngletracker]

it is....

[s1ngletracker]

i'd just like to repeat, does the 92 AWD DSM's have the same leaky capacitor/frying ECU problem?

[SuperSleeper]

Could be the TPS failing as well.
And yes, all DSMs can have leaking capacitors... it's always wise to replace them after a while... regardless what year it is.

[s1ngletracker]

Wouldnt I get an engine code if my TPS was failing? how do I tell?

Does anyone on here replace Caps?

[TurboDomestics]

http://www.dsmtuners.com/forums/showthread.php?t=191137

http://www.dsm.org/how-tos/tttt/tttt3.html

[x-pride]

i'd just like to repeat, does the 92 AWD DSM's have the same leaky capacitor/frying ECU problem?
Yes they do! Even Mitsue ECU in Geo tracker (1992-1997) have the same problem.