Ignition/elecritical problems
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Freshman User
Joined: Dec 2009
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From: Melbourne
Ignition/elecritical problems
Just picked up a 1990 f250 with a 351w. I test drove it and it ran fine, drove it home (about 35 miles). When I drove it next it started up and ran fine, tried to start it again but it just kept trying to crank but nothing. Hooked up a spark tester and tried cranking it, nothing happened until I turned the key back. I replaced the ignition coil and still doing the same thing. Maybe a relay problem? It seems like something gets hot and it doesn't wanna start. Any help? I'd appreciate it greatly.
Moderator
Joined: Jan 2001
Posts: 56,992
Likes: 2,741
From: Virginia
Is this fuel injected? If so I would pull the codes and see what you get. Here's a site that tells you how to do it. Ford Fuel Injection. If you just want to throw parts at it, and you didn't have spark, I would replace the ignition module.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,716
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From: Boston, MA
Just picked up a 1990 f250 with a 351w. I test drove it and it ran fine, drove it home (about 35 miles). When I drove it next it started up and ran fine, tried to start it again but it just kept trying to crank but nothing. Hooked up a spark tester and tried cranking it, nothing happened until I turned the key back. I replaced the ignition coil and still doing the same thing. Maybe a relay problem? It seems like something gets hot and it doesn't wanna start. Any help? I'd appreciate it greatly.
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