hard start cold, easy start warm - glow plugs? - Ford Powerstroke Diesel Forum
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Old 01-28-2008, 05:12 PM
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hard start cold, easy start warm - glow plugs?

2000 7.3l factory turbo, 250K miles, 4X4 crew, stick tranny

have to crank & crank, hit the glow plugs several times before starting.
this has to be bad on the starter & the glow plugs.

how do i replace the plugs on this engine?

could it be something else?

thanks gents.

james
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Old 01-30-2008, 06:27 AM
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Try Checking the Glow plug relay
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Old 01-30-2008, 06:40 AM
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Check relay first, use volt meter and put leads on the two big terminals on the relay, when the key is turned on the relay should energize and there should be no more than volt between those two big terminals and there should be more than 10v to ground.

The wait to start light has nothing to do with the glow plugs, they will stay on for a minute or two longer than the light does. On thing you can try is after the light goes off just wait and additional 30-60 seconds then try to start it.

Glow plug relay can be had for around $35 on eBay and Bosch Durotherm glow plugs can be bought off the net for around $100.
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Old 01-30-2008, 12:06 PM
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Thanks gentlemen, great suggestions
james
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Old 02-04-2008, 05:08 PM
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It was the plug relay.
thanks for your help.
james
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