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Thread: EGR Codes

  1. #41

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    These are what you REALLY want:

    The EEC-IV Monitor allows you to switch between contacts and send test signals to the computer:
    Click image for larger version. 

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    The EEC-IV Logger works as a breakout box, but also allows you to datalog onto a cassette tape! How's that for state-of-the-art?!
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  2. #42

    Default EGR Codes

    Quote Originally Posted by DerekTheGreat View Post
    Glad to see that CFI is living on.
    Me too! When it runs right itís very smooth...almost feels like the car isnít running at idle.

    Bgreywolf...Iíve been looking for the monitor and recorder for awhile. Funny how those once were state of the art! How far tech has come! I just checked and there is a recorder on eBay for $117...I may have to snatch that up. There is also a monitor but itís $500 bucks! Yikes!

    I bought the book with the CFI overlays for the monitor about a year ago.


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    Last edited by matth825; 09-10-2020 at 03:43 PM.

  3. #43

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    If they weren't so darn big, I'd offer to ship these out to people as a loan. The potential for loss/damage/the fact that shipping would be in the $35-40 each, each way (for reasonably quick shipping with insurance and confirmation) makes it so it's not really worth it. Especially because most of my cars use them for diagnostics so I want to keep them nearby and in working condition. I've got a huge pile of overlays from the early 80s through early 90s (and it's not too hard to figure out what's what without the overlay, if you have the ECM pinout).

    Additionally, I have the EEC-III monitor, STAR tester and various other useful devices.

    For now, anyway, if you (or anyone else reading this) is in or near Maine, send me a PM if you'd like to hook them up to your car and we can figure out something. Gotta keep these old Fords on the road!

  4. #44
    GMN Regular DerekTheGreat's Avatar
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    I've thought about buying one of those for a while. But I can't get past that the idea behind the break-out-box is bullshit. Even back in the early 80's GM gave technicians ways to read code from the cars themselves or through a scan tool. Ford? "You get to back probe sensors and have a good time trying to plug this in between the main harness and ECM. You also get to reset everything the computer has learned in the process. You're welcome. " That shit was just a money grab for Ford and other OEM's who essentially forced people to buy their shit. OBD II was a good thing. I'm just glad I haven't had to deal with any electrical gremlins with any of my bassakwards Fords.. yet.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  5. #45

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    Derek, the Star tester uses the EEC test connector at the fender to read codes and perform basic testing.
    The EEC-IV monitor and breakout boxes allow detailed tests at the ECM connector, so the meter/tester/logger see exactly what the computer sees as it sees it.
    I agree it's frustrating to dig through the car to hook up the tester (at least the computer is inside the car on some models/years, otherwise you get to drive around with cables hanging out from the hood and through the window) but it's nice for chasing problems that either don't set a code, or set a code that can be caused by multiple items at weird times (like EGR position type codes and driveability problems).
    I've had the joy of having to backprobe connectors and run wires into the car on OBD2 vehicles, even while running an OBD2 tester that can log and read freeze frame data. The breakout box isn't as awful as you make it sound. :/

  6. #46

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    bgreywolf-thanks for the offer! If I was in Maine I would definitely take you up on that...it would be cool to see them in action.

    Finally got off my butt today...new EGR valve and sensor are installed. No codes...car drives great! Gas mileage is up a little bit now too. I also put in my liland global all aluminum radiator thatís been sitting around for months. Very happy with it so far!

    Thanks again for all the help guys!


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  7. #47
    I'm an air-conditioned gypsy gadget73's Avatar
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    Quote Originally Posted by bgreywolf View Post
    I've got a huge pile of overlays from the early 80s through early 90s (and it's not too hard to figure out what's what without the overlay, if you have the ECM pinout).
    any chance you can scan the ones appropriate for the cars we deal with and post them? Still have to do a little arts & crafts to make them fit but better than a sharp stick in the eye.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  8. #48

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    Quote Originally Posted by gadget73 View Post
    any chance you can scan the ones appropriate for the cars we deal with and post them? Still have to do a little arts & crafts to make them fit but better than a sharp stick in the eye.
    I would be glad to! I'm at sea for a week or so. When I get home I'll dig them out and scan them; please remind me too, lol. It'll help pass the quaran-time while I avoid people until I get test results...

  9. #49

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    Quote Originally Posted by bgreywolf View Post
    I would be glad to! I'm at sea for a week or so. When I get home I'll dig them out and scan them; please remind me too, lol. It'll help pass the quaran-time while I avoid people until I get test results...
    Thank you!


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  10. #50
    GMN Regular DerekTheGreat's Avatar
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    Quote Originally Posted by bgreywolf View Post
    Derek, the Star tester uses the EEC test connector at the fender to read codes and perform basic testing.
    The EEC-IV monitor and breakout boxes allow detailed tests at the ECM connector, so the meter/tester/logger see exactly what the computer sees as it sees it.
    I agree it's frustrating to dig through the car to hook up the tester (at least the computer is inside the car on some models/years, otherwise you get to drive around with cables hanging out from the hood and through the window) but it's nice for chasing problems that either don't set a code, or set a code that can be caused by multiple items at weird times (like EGR position type codes and driveability problems).
    I've had the joy of having to backprobe connectors and run wires into the car on OBD2 vehicles, even while running an OBD2 tester that can log and read freeze frame data. The breakout box isn't as awful as you make it sound. :/
    Which cars might those be? I watch a lot of South Main Auto, I ain't never seen Eric back probe anything unless he had to prove a point. Tain't so bad if you've got those little doo-hickeys he has. I've also never needed to back probe anything on our OBDI General Motors stuff. GM was nice enough to let scan tools see live data, well, as much as provided back then which was better than what Ford gave the average schmoe. Was not aware the STAR tester did that, however, my MT2500 plugs into the EEC connector too. Break out box is terrible if you have to use it, for now you interrupted power and if you forgot to log which codes it threw, you're SOL until it throws 'em again if the problem comes and goes. And then like you said, you gotta drive around with all kinds of wires hanging off the side and all that. OBDI Ford stuff did store fuel trims too, and those and other stored data is out the window too once you disconnect that harness going into the ECM. I don't know when Ford abandoned the breakout box on all EEC IV models but I know for the F-Series it is 1992. What I mean is that using one is still optional, you just don't have to. An MT2500 or equivalent can read live data and codes on those. Panther platform? NFC. We had a meet up last year and a 1994(?) TC still only let you read codes and perform those E-I-E-I-O tests.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

  11. #51
    I'm an air-conditioned gypsy gadget73's Avatar
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    are we watching the same SMA? I see him back-probe things all the time with T pins and other various connection methods.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  12. #52
    GMN Regular DerekTheGreat's Avatar
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    Quote Originally Posted by gadget73 View Post
    are we watching the same SMA? I see him back-probe things all the time with T pins and other various connection methods.
    Yes, we are. Like I mentioned, he does that to prove a point with those nice doo-hickey things but its mostly to prove a point like voltage drop or something. Doesn't seem like he needs to though. I once had to diag an electrical issue with my TBI truck, was able to do so with the MT2500.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

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