 Running really rich, 1973 1.7 FI |
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| tbone1819 |
 Jul 18 2017, 03:06 PM
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#1
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Newbie  Group: Members Posts: 26 Joined: 1-February 17 From: Lynbrook NY Member No.: 20,800 Region Association: North East States  |
Ok,
So my 73 was running great until it slowly started to go down hill. Car would not start after it was running/driving for a while but the next day would fire right up. Recenltly changed the oil that was completly diluted with gasoline. WTF?? |
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| BeatNavy |
Jul 19 2017, 04:16 PM
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#2
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Certified Professional Scapegoat Group: Members Posts: 2,924 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region 
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Fuel pressure is not the issue then (it's probably low by a PSI - I think 28 PSI is spec).
Are you saying that you can disconnect the fuel pump relay (or connector) at the relay board and the car will start/run after initially turning the key and priming the fuel pump? Please explain in more detail. How long does it run that way? Once you prime the pump the fuel is going to be pressurized for at least a short period of time even if the pump isn't running, but it will bleed out quickly. Not sure why you disconnected fuel pump, but you still need to: 1. Verify MPS holds vacuum. 2. CHT is working properly and is connected to wiring harness properly. 3. Try with CSV disconnected. |
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| tbone1819 |
Jul 19 2017, 04:22 PM
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#3
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Newbie Group: Members Posts: 26 Joined: 1-February 17 From: Lynbrook NY Member No.: 20,800 Region Association: North East States |
QUOTE(BeatNavy @ Jul 19 2017, 06:16 PM)  Fuel pressure is not the issue then (it's probably low by a PSI - I think 28 PSI is spec). Are you saying that you can disconnect the fuel pump relay (or connector) at the relay board and the car will start/run after initially turning the key and priming the fuel pump? Please explain in more detail. How long does it run that way? Once you prime the pump the fuel is going to be pressurized for at least a short period of time even if the pump isn't running, but it will bleed out quickly. Not sure why you disconnected fuel pump, but you still need to: 1. Verify MPS holds vacuum. 2. CHT is working properly and is connected to wiring harness properly. 3. Try with CSV disconnected. The car runs for 1-2 seconds after being primed and then diconected. |
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Posts in this topic
tbone1819 Running really rich Jul 18 2017, 03:06 PM
BeatNavy
Ok,
So my 73 was running great until it slowly st... Jul 18 2017, 03:24 PM
tbone1819
Ok,
So my 73 was running great until it slowly s... Jul 18 2017, 07:35 PM
tbone1819
Ok,
So my 73 was running great until it slowly s... Jul 19 2017, 03:55 PM Dave_Darling Gas has washed past the rings and into the sump. ... Jul 18 2017, 04:45 PM tbone1819
Gas has washed past the rings and into the sump. ... Jul 18 2017, 07:36 PM BK911 Check mps vacuum first.
Pretty easy to do and good... Jul 19 2017, 08:20 AM BeatNavy
Fuel pressure is not the issue then (it's pr... Jul 19 2017, 04:25 PM whitetwinturbo If it goes down hill slowly ........ release the h... Jul 19 2017, 10:58 PM |
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