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Thread: Happy to join this community! Mostly looking for help though...

  1. #61
    I'm an air-conditioned gypsy gadget73's Avatar
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    there is a test port somewhere on the CFI unit. Might have to remove the air cleaner lid to see it, but its on there someplace. It looks like a tire valve.

    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,

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    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  2. #62
    Member Arquemann's Avatar
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    Yeah there's the schrader valve right on top, so, just screw a FP gauge there?

  3. #63
    I'm an air-conditioned gypsy gadget73's Avatar
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    yes

    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

  4. #64
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    So much for testing the fuel pressure -tool doesnt fit.
    Anyways got to checking the timing...
    Spout disconnected base timing was at 20. Set it back to 10 as it should.
    Runs way better, but still a bit too rough to call okay.

  5. #65
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    Click image for larger version. 

Name:	IMG_20190819_172137.jpg 
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    What does this vacuum line go to? Short one that passes through the firewall. Via the check valve that is atrached to the vacuum distribution block thats attached to the firewall.
    And is it supposed to leak?

    EDIT: it goes to the heater/ac controls (i only got HOT on the test drive)
    But it still leaks.
    Last edited by Arquemann; 08-19-2019 at 11:21 AM.

  6. #66

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    Check if there are and open vacuum ports on the cfi unit itself. Thats for your ac and cruise control. And no it shouldnt leak.


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  7. #67
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    As is:
    Plugging in the EGR makes the thing run a little worse, with egr off the idle is actually pretty alright, a consistent shaking.
    Still jerky and stuttery at low throttle, got only a little better after the base timing adjust. If I disconnect and reconnect the battery, would the computer realize the new and correct base timing and magically start working properly?

  8. #68
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    Quote Originally Posted by 87GrandMarq View Post
    Check if there are and open vacuum ports on the cfi unit itself. Thats for your ac and cruise control. And no it shouldnt leak.


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    On the CFI apparatus I have 3 lines connected, one to the EGR solenoids, one to the PCV valve and one to the big-ass check valve down on the passenger fender.
    If someone has more than that, please elaborate.

  9. #69

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    That line goes to the vacuum tree then. In the last pic I can see an open port. Thats probably why it isnt idling very well.


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  10. #70
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    The check valve in the picture is what goes there, I took it off so you could see anything. Its the short line from the check valve that leaks from inside the cabin. The ither line from the check valve goes to the massive vacuum canister behind the left headilight.


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  11. #71

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    Oh I see, the one that goes into the firewall goes the hvac controls as I stated earlier. It operates the blend doors. If its leaking vacuum then when you turn the ac on itll work on defrost vents on all settings because thats the default position when vacuum is lost.


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  12. #72
    I'm an air-conditioned gypsy gadget73's Avatar
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    It shouldn't leak, but its not uncommon for the metal soup can to rust out or the line to it to crack. If you have automatic temperature control, the thermal blower lockout in the heater hose is also a common vacuum leak item. the check valve itself also can fail and make it act like a vacuum leak even when there is not one. ATC cars go to hot defrost when they lose vacuum, non-ATC cars just go to defrost. If it does this every time you accelerate, there is a leak or a problem with the check valve.

    There should be one more small line through the firewall for the parking brake release. I believe that is closer to the steering column. That valve is another problem area.


    When you checked the timing, was it steady or did the mark dance around?

    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

  13. #73
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    When I tested the lines, I took out the check valve and tested the lines individually, the "soup can" is fine (takes a while to get a vacuum reading with a hand pump), but the line to the heater controls does leak. On the test run with it plugged I definitely got HOT defrost only, and mine has that automatic AC.

    Now with that diagnosed, only vacuum ports left are the big one from the plastoc vacuum tree and the wierd green thing on the back left corner of the manifold.

    As tested, the timing was stable, I suppose. I had to wirebrush the damn balamcer to see it at forst.

  14. #74
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    Make sure all the vacuum lines under the dash are pushed on all the way. Had to do that a couple of times with the actuators behind the ashtray that control all the vent positions.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 88 MGM (SOLD), 93 Vic, 2000 Crown Vic, 2003 Expedition
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
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  15. #75
    I'm an air-conditioned gypsy gadget73's Avatar
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    The line going into the car branches back out to the thermal blower lockout. A leak there will look like a large leak inside the dash. I've never had the stuff in the dash seal perfectly though.

    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

  16. #76
    Beater gonna beat sly's Avatar
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    Quote Originally Posted by gadget73 View Post
    The line going into the car branches back out to the thermal blower lockout. A leak there will look like a large leak inside the dash. I've never had the stuff in the dash seal perfectly though.
    True. But having the things not even seated doesn't help either... which was my issue.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
    rides: 88 MGM (SOLD), 93 Vic, 2000 Crown Vic, 2003 Expedition
    Quote Originally Posted by gadget73
    ... and it should all work like magic and unicorns and stuff.
    Quote Originally Posted by dmccaig
    Overhead, some poor bastards are flying in airplanes.

  17. #77
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    Looking under the dash, I can see 2 of those metal housings for the vacuum diaphragms, one a little left from the trans tunnel and the other on the very right side of the car.
    Both are in such shitty places and the orientation doesnt help either. Oddly enough the rods attached to the flaps and the diaphragms are quite rusty. Everything else under the dash is just fine and clean.

    Since I'm running out of holidays, I've scheduled a mechanic next monday to figure out the rest; the EGR, the vacuum leaks, fuel pressure and injectors and whatever else they do to get the dang thing running well.
    It mostly just annoys me that I couldn't do everything myself. I need to focus on other stuff too so I can't use up all my free time on this moving on.

  18. #78
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    Update on from the shop:
    It's running pig rich, they checked the afr from the tailpipe. Guy said that it's a wonder it runs so well being so rich.
    Though, when the smog pump is on, the ratios are quite alright.

    They ordered new injectors and a pressure regulator, which is fine by me.

  19. #79

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    Is the ego sensor plugged in? How old is the map sensor? When I had my 85 if I unplugged the ego sensor it would run rich but it would run much better than when it was plugged in lol. No rolling idle for me!


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  20. #80
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    Ego sensors were supposedly alright, not the best but in "working condition".
    Faulty ego sensors would pop a code probably, right? Still no codes.

    Map sensor is probably original, I dunno. I have literally zero service history, I have the latest inspection receipt/whatever, but the pleather mercury -pouch had someones phone number collection and nothing else.

    Shop will have the parts in a day or two, and will put it back together asap. I really hope that stuff fixes the issue, along with the vacuum leak fixes.

    I cant wait to get the car back so I can park it overly close to my classes' dickhead's bmw, whos always fucking with me about me liking american cars.
    No-one in my uni class gives a shit about american cars and a few dipshits have an idiotic need to give me a hard time about my passion which does not align with theirs.
    Their tough luck when my "oversized" landyacht is blocking the drivers door and they have to squeeze through a tiny gap or climb over their center consoles. My doors are already a bit dinged up and the paint's faded. Have fun swiping your plastic bumpers against my crooked steel bumper and see which one cracks first. I mean hey its my "underpowered, gas guzzling, archaic and boat-like" chariot of pure awesomeness and classic luxury that has automatic air conditioning and power seats, which your sad little base model 3-series does not have

    Damn I love my car

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