Thread: Too......Much........Carbon!

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Originally posted by HWORRELL
Most all use an air temp sensor,but most of em won't effect the run like them old fords will,lots of em are in the air intake snorkel or air filter housing, Thermostat is very important on anything puter controlled as they hafta see 180-190 before they go into closed loop (i.e. control ) anything is possible with the ecm but since the onset of puter cars in 1980 I can probally count on my fingers the puters I've had to replace,and the majority of em where G.M. and any thing with a Mitsubishi puter....

i was just thinking about what you said about the computers HWORRELL, when they first came out shops blamed everything on the computer and it never fix anything. GM had a run on them in the late 80's that had some bad ones, but sense then there hasn't been a problem.

Ah, the great computer conflict. Anyway, i checked the thermostat and its is a 190. So i think that can be ruled out. Just out of curiosity, what is the plugs i have to jump to get the dippy light flash codes? It has a 4 plug style connector. Quite frankly, i dont trust my code scanner. Yet again, thanks for the help guys. I havent really gotten as much time on this thing as i would have liked, but a guys gotta work, and thats been 56 hour weeks lately. I'll tell you when i get it fixed.

Dave

Originally posted by drg84
Yeah, i noticed that sensor was there. Did they phase that out in the newer multiports? Cause i never saw it on the 87. As for the cold thermostat, im not betting on that one cause it would run rich when it gets warm, not when its cold. That dude, the EEC IV system came into effect during the conversion to EFI. And yes, you can use a scanner. The diagnostic port is on the passanger side fender.

Wow-wee, threw some pretty good chops in that one for me, but I do believe I can still help you out if you just put down the big ego. How to test EEC III and code chart. just check out

www.tomco-inc.com/Tech_Tips/ttt3.pdf

Oh and by the way the Air Charge Temp sensor is now located inside the MAF sensor on Fords.I guess working in a Ford/Lincoln/Mercury dealer for the last 16yrs may have tought me a few things on repairing them, anyway good luck!

Sorry bout that dude. I had the chart for my diagnostic scanner and it registers a EECIV. Then again, I should only trust 1/2 of what i read. . So, No Ego intended, and thanks for the chart.

No problem man
Luke

Thanks for the info denny. But, oddly enough, i dont have the ECM style connector listed. This is a simple strip with 4 female connection points. Sort of like the 6 connector style usually seen minus the top 2. But, in any sense, it doesnt really matter. I found a few things were causing the problem. 1)the left injector was partially plugged causing the right side to have to pulse heavier. 2)Low fuel pressure easily fixed by the filter and finally,3) the 02 sensor was completly Shot due to the long time fouling out. Thanks for the help guys. I appreciate it