Hard starting
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Freshman User
Joined: Nov 2006
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Hard starting
My 89 7.3 starts hard. Seems almost like it has to pump up fuel pressure before starting. Is there a check valve or anything that may be letting fuel drain back down when off. Same whether cold or warm, but worse when cold. I let the glow plugs warm up and plug the heater in when colder than 40, but still hard to start.
Post Fiend
Joined: Oct 2003
Posts: 5,903
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From: MICHIGAN
You may get more help asking this question in the forum for your truck
https://www.ford-trucks.com/forums/forum117/
However, I had a older diesel and when it was hard to start is was usually the glow plugs or the controler. You can check the GP's with a test lite or an ohm meter.
https://www.ford-trucks.com/forums/forum117/
However, I had a older diesel and when it was hard to start is was usually the glow plugs or the controler. You can check the GP's with a test lite or an ohm meter.
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