Jason Rebellion...on my 95 i have 2 coolant sensors..left head is the engine temp sensor (light grey plug end)and in the front of the intake is the coolant temp sensor (black plug end)..hope that helps

 

keep us posted so I'll know what to fix on mine! thanks a lot

 

I have the same problem in my 2000 four door. It has been suggested to me that it might be the Idle control valve. I just ordered one and will post up with the results once installed in a few days. Any body tried this already?

 

on the morning miss the idle is fine, it stumbles when you take off in it

 

Same here!!

 

guys i have changed the iac, cap n rotor, wires, tps, mas, and ignition module.........no change. im out of ideas.

 

Have you tested the wiring to see if you have a broken or otherwise compromised wire that is causing intermittent dropouts/spikes in signals necessary to the proper operation of the motor (TPS, IAC, MAF, MAP, ICM, coil, CMP, CKP, etc)?

 

Hey guys………this Monday evening I stopped for a fill up. I have always used regular gas in my blazer. With all the things I’ve tried to get rid of this morning miss and nothing worked so far. I decided to try a tank of plus grade to see if it would make a difference. The next morning I had my lawn mower on my trailer hooked to the blazer and the outside temperature was about 15 degrees cooler than it’s been all summer. So I figured this would be a good test. It started up, pulled out of my drive and it did not miss. Not even one time. So now, I didn’t know if it was because it was under a load pulling the trailer or the plus fuel that I was using... This morning it was even cooler than yesterday, so with out the trailer behind it, I started it up and it went down the road like a new blazer. I’ve got my fingers crossed because this is the first time I was able to take off with out the morning miss in over 6 months. Worth a try!!

 

i might just have to try that

 

It is possible that you have a lot of carbon built up in the combustion chamber... Premium fuel will resist predetonation better than regular or mid-grade. A few seafoam treatments (down the throttle body) may help clear up this condition if it exists.