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are you talking about the Map sensor..3 pin plug ,1vacuum line?...If so You might have a bad one...

so did you find anything yet Im interested in what you find ...What size gap are you running on your plugs??

Here is my situation I am getting a stumble at idle ..if I disconnect the tan wire on the computer the stumble stops...My whole ignition is new..all with the recommended stuff everyone uses here...Has anyone encountered same type of proble? What was the repair?....Thank you for your help..Rob

Has enyone ever encountered when there turn signal is on the gauges go up and down with them...also when you press on the brakes when you have the hazards on the hazards stop flashing?...Thanks ..

Im sorry..I know what you are feeling..your going through denial...I will be true to you...It will not get better...Your bearings are done....Start yanking the motor ...open it up and then open your wallet...Really wide...Your gonna have to spend some serious bucks now and a good amount of time...

How long have you been running that O2 sensor for???...Do you use the truck at the track with very high octaine fuels???

Was the problem the T-body...what brand t-body and how much??

Its running closed loop...What readings should I see on the Map/vaccum side?

Update..Checked Park/Neutral switch..OK..Pulled cap and rotor off..Removed ignition module checked all related plugs.cleaned out distributor rust and blow out with air...Reinstalled module with electric grease ..Repl cap and rotor with Conrad unit...Ran truck...SAME CRAP... any one else have any...

I have a snap on scanner...ran system and found BLM cell at 0 no movement....Block learn around 118-134...Thanks fo your time...

I am going through the same exact symptoms now as we speak...If you come across anything let me know..

The plugs are the stock delco CR-42ts...I just went out and got a Conrad cap and rotor part #DR2012G....Let you know how it goes...I will also check the park neutral switch...Thank you for your response..

All intake gaskets are new Gm gaskets..bolts all have thread sealant... Dist. gear is new...had delco wires..repl with accels still the same..

Hey whats up...Ive been fighting this idle issue for a while now.. Lets see..well I am using a snap on scanner and ran all data...only spec I found off was the vaccum and map readings...I repl the unit w/ gm 2 bar sensor..My vaccuum on a mech. gauge is -21 about the same on the new...

Check your distributor gear for excessive wear....

Thanks all....Gonna order one from the dealer....Thanks Again..

uuuhhhh ...yeah I knew that...but any ideas on a brand or place I should get it???

Hey guys ...my distributor gear is pretty worn down. What do you guys suggest? Thanks :drinking:

Rear diff Rear diff Hey...I have a complete unit from a 93 typhoon...33k on it...I live in N.Y. $550......Rob