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  #1  
Old 05-12-2011, 10:21 PM
trailbuilder trailbuilder is offline
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1991 Superduty Ford with Wait to Start issues

I have a 91 Superduty, that is the 7.3 International engine....(GVW 14,500 that's why I like it). When I go to start it after about 3 seconds the wait to start light goes out and you can hear the relay or controller behind the firewall clicking very second. The glow plugs do not seem to heat up so I have to use starting fluid even in the spring/summer months. The Glow plug controller is $220!

Anyone have any ideas?
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Old 05-13-2011, 08:10 AM
dbear dbear is offline
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Um, is this a trick question? I'd probably replace the glow plug controller, and consider replacing the glow plugs themselves. I used to have a hard-starting '90 F250 w/7.3 I did just that to it many years ago; thing started better than new. As I recall with mine, the plugs made more of a difference, but I don't recall having the clicking noise from the controller that you describe.
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  #3  
Old 05-13-2011, 10:17 PM
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kodak mowing kodak mowing is offline
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i have a 94 f250 7.3 idi turbo,it either 1 or more bad glow plugs or the glow plug solenoid on the glow plug controller,i replaced mine for bosch glowplugs $3 each on ebay and new soleniod $15 bucks,hope that helps
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  #4  
Old 05-14-2011, 10:38 PM
Milwaukee Milwaukee is offline
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Time for new glow plugs.

By Way DON'T cheap on glow plugs. Would you put $1 oil in dragster engine?

Get motorcraft BERU glow plugs.
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Old 05-14-2011, 11:43 PM
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DQL10 DQL10 is offline
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I believe the clicking noise is are the glow plugs still heating up. Atleast thats what they are on the newer diesels. Just replace the glow plug control module. Doesnt seem that expensive to me. Wait till you buy a newer one and have to replace the FICM! Thats when they get expensive.
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Old 05-14-2011, 11:45 PM
Milwaukee Milwaukee is offline
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Quote:
Originally Posted by DQL10 View Post
I believe the clicking noise is are the glow plugs still heating up. Atleast thats what they are on the newer diesels. Just replace the glow plug control module. Doesnt seem that expensive to me. Wait till you buy a newer one and have to replace the FICM! Thats when they get expensive.

On my 6.9L IDI it doing that but it wouldn't stay ON. It come on for 2-3 sec but couldn't start. After replace whole glow plugs it come for 10-13 seconds then start like new.
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  #7  
Old 05-17-2011, 08:02 PM
wvmike wvmike is offline
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its the glow plugs.
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  #8  
Old 05-17-2011, 10:17 PM
trailbuilder trailbuilder is offline
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Thanks, I will try glow plugs first before ordering the controller.
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