 Feeling rich? One for the FI guys! |
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| Rod |
 Sep 16 2019, 03:24 PM
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#1
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Senior Member  Group: Members Posts: 616 Joined: 1-January 08 From: Farnham UK Member No.: 8,526 Region Association: England  |
Hi all, it’s a FI diagnosis I’m after, please help.
1973 1.7L standard FI system. When hot after a long run, I have a really rubbish tick-over and car wants to stall. I thought it would be MPS as mine has already been opened by a PO, but it reads 94 ohms on the outer coils and 398ohms on the inner terminals. It seems to hold vacuum too (only tried sucking on it, don’t have a gauge) so can I rule that out?? I really want some further checks to do as it’s running so rich I can see smoke at a hot idle and it’s difficult getting it to pull away without bogging down (only when hot - it’s great when cold!!) So it’s a hot only problem I’m having. Thanks for any help. |
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| rjames |
Sep 17 2019, 12:51 AM
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#2
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I'm made of metal Group: Members Posts: 3,933 Joined: 24-July 05 From: Shoreline, WA Member No.: 4,467 Region Association: Pacific Northwest 
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Did you adjust the MPs for the proper AF ratios? If not, you need to.
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| Rod |
Sep 17 2019, 01:54 AM
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#3
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Senior Member Group: Members Posts: 616 Joined: 1-January 08 From: Farnham UK Member No.: 8,526 Region Association: England |
QUOTE(rjames @ Sep 17 2019, 07:51 AM)  Did you adjust the MPs for the proper AF ratios? If not, you need to. I have never had the MPS apart myself, it has screws on it rather than rivets though, so has been opened before obviously. I have no idea what settings it’s at. |
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| Rand |
Sep 17 2019, 02:13 AM
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#4
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
QUOTE(Rod @ Sep 16 2019, 11:54 PM) QUOTE(rjames @ Sep 17 2019, 07:51 AM) Did you adjust the MPs for the proper AF ratios? If not, you need to. I have never had the MPS apart myself, it has screws on it rather than rivets though, so has been opened before obviously. I have no idea what settings it’s at. Go home. Substitute a known good MPS, try again. Report back. |
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Posts in this topic
Rod Feeling rich? One for the FI guys! Sep 16 2019, 03:24 PM
JeffBowlsby Hi Rod,
It could be a number of things. Did thi... Sep 16 2019, 03:46 PM Rod Hi Jeff,
Thanks for your reply. Can you put that ... Sep 16 2019, 03:57 PM Rod Ah! One thing I did notice tonight was that th... Sep 16 2019, 04:14 PM 76-914 Sounds like the CHT has a bad connection or is fai... Sep 17 2019, 08:45 AM dr914@autoatlanta.com if you cannot figure it out, you can call me and I... Sep 17 2019, 09:51 AM Rand George, it's cool that you offer personal help... Sep 17 2019, 11:47 AM
rgalla9146
George, it's cool that you offer personal hel... Sep 17 2019, 03:33 PM Rod
[quote name='rjames' post='2747783' date='Sep 17... Sep 17 2019, 03:52 PM Rand I'm just saying George should contribute here.... Sep 17 2019, 04:40 PM Jonathan Livesay
I'm just saying George should contribute here... Sep 17 2019, 07:26 PM Rand
I'm just saying George should contribute her... Sep 18 2019, 07:12 PM Rand Checking fuel pressure means putting a gauge in li... Sep 17 2019, 04:42 PM rjames The MPS you get from Jeff will still most likely n... Sep 17 2019, 06:46 PM Rod
The MPS you get from Jeff will still most likely ... Sep 18 2019, 05:25 AM JeffBowlsby
The MPS you get from Jeff will still most likely... Sep 18 2019, 05:45 AM Rod Ok I understand. Let’s get the parts in and then... Sep 18 2019, 05:53 AM Rod Okay,
So MPS removed and when pumped to 15 it fal... Oct 16 2019, 05:38 AM |
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