Another Problem....

[ShoThang]

Ok first of all, I have a 95 Mtx.
I had UDP's installed about a weeks ago(changed water pump and thermostat at same time).
After that out of nowhere my radiator was broken.
So me and my father replaced the radiator. The ONLY thing we touched was the radiator and unplugged all the connectors it was hooked up to.
NOW... When I'm at a stop and I hit the throttle, my RPMs will drop and sometimes stall my car.
If i just tap the throttle it will drop down and then bounce up to about 2k.
So now in order to move i have to tap the throttle, watch it drop and bounce and on the rebound up to 2k i can hit the throttle and everything is fine.
BTW this only happens when its cold.
Do you think my UDP's have anything to do with it?
I tried running codes, but I had a little trouble deciphering them. I now understand how to read the codes but I havent had a chance to check it out.
Any ideas?
I will post my codes tommorrow.
Thanks... wink

 

[Slo-Sho]

Why don't you post them now so we can advise you? Help us help you.

 

[ShoThang]

Cuz I'm a lazy bastard and i misscounted the number of blinks on the CEL. So I'm going to try tommorrow when Im not so busy. Hehe. beer

 

[HopefulSHO]

Get ahold of me and I'll help try some stuff.
208-7451

 

[sdpatt]

You may just need to reset the idle speed program.

 

[Sho-N-Go]

Thats exactly wwhat I thought was the Idle statagy. Did you disconnect the battery?

 

[ShoThang]

No, I didn't disconnect the battery.
But the shop probably did when they installed my water pump.

 

[billyshoe]

Originally posted by ShoThang:Get some carb cleaner & clean out the throttle body, especially where the butterfly seats,and behind.

 

[ShoThang]

Well... I finnally got off my ass and ran the codes, but I forgot to do the idle reset procedure.

KOEO
114 Act out of self test range.
176 HEGO sensor indicates system lean(LH)
542 Fuel Pump secondary circut failure

KOER
136 HEGO sensor indicates system lean (LH)

 

[DavidT]

Roughly a year ago, I had my radiator pulled to fix the seals at the tanks. After completion, I pulled out and bam, it was stalling every time! Especially from the go or coming to a stop, with the clutch IN. I can't remember how it was finally fixed, but this nonsense went on for a day or 2. I am pretty sure it was the idle speed program had to relearn everything (reset). Do a search... step by step procedure... very easy.