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Old 06-05-2018, 08:16 PM   #16
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Sucks, I can't locate all my info, notes, diagrams, instructions etc I used when I rebuilt my Q-Jet a long time ago...and I know I had them.
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Old 06-06-2018, 12:57 AM   #17
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I replied to your PM and you have some things to try. If we get it fixed I'll drive 8 hours for a good cheesesteak and a beer. Are you buying?
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Old 06-06-2018, 03:29 AM   #18
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I'll only drive 6 hours for a good cheesesteak and a beer. For 8 hours it better be a steak and scotch
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RACING...Because with baseball, football, basketball, tennis, and golf, you only need one ball

I used to think that I had learned patience as I got older. Then I realized that I just didn't give a shit
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Old 06-06-2018, 05:04 AM   #19
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The Two Very Best Books you can buy on Rochestor Carburetors.


I read both front to back years ago.
Doug Roe is my favorite.
Doug was the original Quadrajet Engineer.
Doug Roe died so he is hard to get a hold of .


Cliff Ruggles is very Good.
Has his own Website.
He is A Pontiac Guy just like me so most may write off & dismiss here.
He is also a Die hard Drag Racer with a Pontiac Ventura with a 455 Ponch all motor that runs 10's 1/4 mile.
You can find him nightly on Max Performance Pontiac forum.
We had lots of fun together talking about Street Racing Live.
Drag Racing in Detroit Michigan & Illinois.
He is a Great Guy.
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Old 06-06-2018, 05:13 AM   #20
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Oh Yes Cliff uses a Q-jet carb to run 10's.
So Do I.
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Old 06-06-2018, 10:48 AM   #21
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Quote:
I'll only drive 6 hours for a good cheesesteak and a beer. For 8 hours it better be a steak and scotch
I'm just a simple Hillbilly. Anyone can grill some cow meat but only Philly pholk (folk) can make a Philly cheesesteak. I do have three single malts in the liquor cabinet and some choice ribeyes in the fridge. The only blended Scotch I enjoy is Ambassador 25 but I can't afford to drink it.
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Old 06-06-2018, 11:02 AM   #22
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I replied to your PM and you have some things to try. If we get it fixed I'll drive 8 hours for a good cheesesteak and a beer. Are you buying?
Heck, I'll even toss in a tour of Old Philadelphia. Or, we could just visit Chinatown for a Rub-N-Tug lol
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Old 06-06-2018, 11:11 AM   #23
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Or, we could just visit Chinatown for a Rub-N-Tug lol
I don't know what that is. I know what it sounds like but am not sure. A massage parlor?? I went to one of those in Saigon a long time ago. The sign said, "Tammy's Massage Parlor. We specialize in stiff joints". They did and 300,000 USP units of penicillin twice a day for three days cured me.
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Old 06-08-2018, 08:40 AM   #24
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Well, it appears the MCS will CLICK when I run a HOT & GROUND wires to it. Also, it will CLICK when plugged in and I force GROUND the negative/grey wire.

So, that's suggests the MCS is at least functional.


Next test (not looking forward to it) is to locate those 2-MCS wires (look like pink & Tan) entering the ECM and test to see if I can force the MCS to click there. If it does, then I'm to assume the ECM is bad?


If, the ECM is bad...who sells the best re manufactured replacement with the best warranty?


*special thanks to 1963SS for walking me through the test procedures (cause I suck at electrical issues)

Last edited by hamerDown; 06-08-2018 at 09:23 AM.
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Old 06-08-2018, 11:49 AM   #25
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Well, it appears the MCS will CLICK when I run a HOT & GROUND wires to it. Also, it will CLICK when plugged in and I force GROUND the negative/grey wire.

So, that's suggests the MCS is at least functional.


Next test (not looking forward to it) is to locate those 2-MCS wires (look like pink & Tan) entering the ECM and test to see if I can force the MCS to click there. If it does, then I'm to assume the ECM is bad?


If, the ECM is bad...who sells the best re manufactured replacement with the best warranty?


*special thanks to 1963SS for walking me through the test procedures (cause I suck at electrical issues)
CARDONE Is a pretty good aftermarket electronic automotive rebuild name to look for.
There should be a plug in E-prom chip you need to transfer to the replacement ECM.

Look at Napa.
O'Reilley Auto.
Advanced Auto.
Autozone.

Google the ECM Number off of yours.
Should be a White Tag on the ECM unless it fell off after 40 years.
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Old 06-11-2018, 08:32 PM   #26
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First the disclaimer. Iím 750 miles away from my extensive notes and service manual on the E4ME. Youíll have to trust to my memory and that ainít good.

If itís clicking, that means your solenoid is working. Very good start. Likely means your computer is still alive too. Is the check engine light on? Does it light up when you start?
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Old 06-11-2018, 09:20 PM   #27
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First the disclaimer. Iím 750 miles away from my extensive notes and service manual on the E4ME. Youíll have to trust to my memory and that ainít good.

If itís clicking, that means your solenoid is working. Very good start. Likely means your computer is still alive too. Is the check engine light on? Does it light up when you start?
MCS only 'clicks' if I force ground the 'ground wire' with key-on (I believe) it's Gray or Tan in color...difficult to tell.


When I turn-on the key CEL comes on then goes off when engine is running...HOWEVER...MCS is NOT clicking anymore.


When I disconnect the MCS Plug and apply a separate HOT and GROUND wire directly to the MCS it will click every time I insert/remove the temp Ground Wire.


*testing with a 12v Test-Light, MCS plugged in, key on and I stab each of the two wires from MCS Plug BOTH Pink and Gray light Test Light = both HOT.


*with MCS unplugged and I test both inner sockets on the Plug...the faded Pinkish wire lights Test-Light-HOT and the Tan/gray wire is dead-grounded.


*where I'm at now...I had the battery unhooked for a few days (father in nursing home) and I had hopes once I reconnected the Battery the MCS would start clicking again when key is on...NOPE!


*I started the engine and unplugged the MCS...the engine imeditaly idled better but the CEL came on. Plug the MCS back in, engine drops RPM and idles poorly but...CEL goes out.


*I checked for codes by jumping the two far left sockets in the plug under the Ashtray.
*turn key to 'on'...MCS starts clicking and CEL light flashes **-***, **-***, **-*** over and over for a dozen plus times, no other sequence of CEL light.


*I'm getting PISSED...I remove drivers seat, yank the battery, yank the Computer (nothing easy on these cars to work on)

*** my next thing is to somehow locate the two DISCOLORED wires at the MCS and find out where those same non-discolored wires enter the two large plugs that go into the computer, and check for continuity to make sure the run from MCS to ECM Plug is good...AND...if I get LUCKY enough to locate those two wires I'll attempt to run a 12v hot and GROUND to those wires to see if the MCS clicks. That test should prove the wires between the MCS to ECM are good and I would then assume the ECM is bad???


***maybe someone can confirm: are the two wires at the MCS Pink w/a black stripe (hot) and the other wire Gray w/a black stripe ground??? (I'm not 100% sure of the Gray ground wire)

The wires going into the ECM plugs have good color, the two going into one of the ECM Plugs are faded bad but one looks somewhat Pink and the other Tan/Gray.


*** so that's where I'm at...I don't have much more hair to pull out, and I suck at wires/electronic diagnosing. But I can do everything else!

I need this Car up and running because if my Diesel Truck craps the bed I have no way to get to my Fathers nursing Home and my daily visits are paramount, he's not well.
EDIT...I remember sometime in 1983 I took the car to my local Chevrolet dealer for an issue and the ECM had an extended 5-year warranty. Sure enough the ECM I just pulled out was a GM Remanufactured, I purchased the car new in 81.
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Old 06-11-2018, 09:32 PM   #28
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I don't know what that is. I know what it sounds like but am not sure. A massage parlor?? I went to one of those in Saigon a long time ago. The sign said, "Tammy's Massage Parlor. We specialize in stiff joints". They did and 300,000 USP units of penicillin twice a day for three days cured me.
Code 12 means No Problems all is OK.


Real simple primitive early Computer command control.
Likely written in ASC 2 I learned in college.
Intel 8085 microprocessor.
Lez was one of my Professors.
He claimed he invented it.
He was a US Navy man.


My other professor claimed he invented the 1st LCD screen.
Both were Nuts.


We used to tease Lez....Get bored writing in ASCII.
ASK LEZ....ARE YOU HIGH AGAIN TODAY LEZ ?
HE WOULD REPLY YES I AM GUYS.
NOW COME ON GUYS BE WITH NOW.
THIS IS REAL IMPORTANT.
YOU ALL MUST KNOW THIS.'
YOU ARE THE FUTURE LEADERS.
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Old 06-11-2018, 09:43 PM   #29
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"Code 12 means No Problems all is OK."
So, **-*** repeated over and over means "no problems all is ok" then why is the MCS not functioning, clicking?
Could the problem still be within the Carburetor?
Maybe a bad Float, maybe a heavy Float, Mice living in the Carb or possible bad muffler bearings???
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Old 06-11-2018, 09:55 PM   #30
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"Code 12 means No Problems all is OK."
So, **-*** repeated over and over means "no problems all is ok" then why is the MCS not functioning, clicking?
Could the problem still be withing the Carburetor?
Maybe a bad Float, maybe a heavy Float, Mice living in the Carb or possible bad muffler bearings???
I am working on an old 1994 Chevy C1500 pickup at work.
4.3 Liter V6.
Towed in.
Truck sat for several years.
The other mechanics fiddled with.
Walked away.
I like working on older vehicles & know more about than they do.
To my surprise it was filled with 22 gallons of water in the gas tank.
I hot wired the electric fuel pump on with the fuel pump relay removed & a Jumper wire from terminals "A" & "E".


I was catching in 5 gallon cans.
Filed them up with water.
Crystal Clear Tap water. I don't think rain water.
The rest I just let run on the ground.


I put 5 gallons of fresh 87 octane gas in & it took off running.
All came over & asked WHAT DID YOU DO BRIAN ? ITS RUNNING AGAIN !


Something I never ever seen prior.


Anything is possible.
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