1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

Fss?

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Old May 20, 2018 | 01:26 PM
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nonrev's Avatar
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Fss?

Ok so I got fuel yesterday went to start the truck, it would spin over as normal but no start, so checked the wires on the fss, both on and hooked tight so pumped the primer a few times it was on the lobe so I had the wife bump the key and presto it fired right up.


Now this morning I change the oil and when I went to start it and again no go so I primed it about 20 pumps still no go, banged on the fss it fired right up. I guess my question is has anyone had the fss stick in the closed position?
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Old May 20, 2018 | 02:25 PM
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Well I removed the fss it appears normal seems to work like it should, is there something in IP that could be going bad?

Last edited by nonrev; May 21, 2018 at 06:09 AM. Reason: spell ckeck lol
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Old May 20, 2018 | 03:11 PM
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Mine did that when the fuel heater O-ring went bad.
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Old May 21, 2018 | 11:02 AM
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Originally Posted by mknittle
Mine did that when the fuel heater O-ring went bad.
Yup, I was going to say suction side air leak...Mark
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Old May 21, 2018 | 05:47 PM
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Well it has been starting every day so far, one thing I did check was for leaks in the system by putting 8 lbs of air in the tank, would that make the fuel heater leak if the oring was bad
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Old May 22, 2018 | 10:16 AM
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Originally Posted by nonrev
Well it has been starting every day so far, one thing I did check was for leaks in the system by putting 8 lbs of air in the tank, would that make the fuel heater leak if the oring was bad
It should, but it seems that you have a very small leak. See what happens when it sits a day or 2. Maybe it has fixed itself, Ya' gotta' love it...Mark
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Old May 22, 2018 | 03:11 PM
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Ha Ha this poor old girl never gets to rest for more than about 12 hours 👀
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