Slow shutdown
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Junior User
Joined: Mar 2009
Posts: 94
Likes: 1
Slow shutdown
Sooo.. the other day my '89 7.3 threw a new one my way. Several times in one day I shut off the key and the engine continued to run. By the time I was able to get out and open the hood she shut down. I'm recovering from a hip operation so the getting out etc. takes a little time. I'm sure the key was off and it hasn't happened since, so I haven't had much opportunity to troubleshoot. I have Roosamaster/Stanadyne pumps in equipment, so I've had some experience with fuel stop solenoids etc.. I'm thinking that the key switch is not de-energizing the circuit when turned off;a ground issue or the solenoid itself was sticking but hard to tell until it runs on long enough to test.
My question is, has this happened to others and is there a common glitch to look for?
Most other electrical problems I have had with this truck were simple faults that took diligent troubleshooting and some good advice from this excellent forum to solve.
My question is, has this happened to others and is there a common glitch to look for?
Most other electrical problems I have had with this truck were simple faults that took diligent troubleshooting and some good advice from this excellent forum to solve.
Lead Driver
Joined: Mar 2006
Posts: 5,111
Likes: 1,549
From: western SD
That is a new one to me. Just a wag but the shut off valve may be sticking. Might try installing a new fuel filter filled with your favorite fuel additive/lubrisity inhancer and letting it run for a couple of mins. then shut it off and letting it sit overnight letting the additive soak in the pump. Might not cure it but it sure won't hurt it.
