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how do you test gp relay

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Old Nov 4, 2009 | 08:36 PM
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fat j
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how do you test gp relay

hey guy can any one tell me how to test a gp relay and were its located on a 01 e-350 7.4l
 
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Old Nov 4, 2009 | 08:39 PM
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Riffraff Diesel
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Here is a good thread from the RHN Mod and Maintenance page.

https://www.ford-trucks.com/forums/4...ke-thread.html
 
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Old Nov 4, 2009 | 08:50 PM
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hey thanks much.
 
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Old Nov 4, 2009 | 08:51 PM
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Originally Posted by fat j
hey thanks much.

No problem. I would have preferred just to post a pic and show you but I don't have any on this computer.
 
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Old Nov 4, 2009 | 08:55 PM
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one more ? if u have a minute do u think a bad injector would cause the van not to start in the morning over night
 
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Old Nov 4, 2009 | 08:58 PM
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Originally Posted by fat j
one more ? if u have a minute do u think a bad injector would cause the van not to start in the morning over night
No. The motor will start even if one entire bank (4 injectors) are dead. Perhaps if you gave us a little more information as to what problems you're having we could be more helpful.
 
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Old Nov 4, 2009 | 09:06 PM
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ok great well im gettein code P0306 which is as u no misfire #6 cyl which i belive is the cause of the white smoke im getting when i take off . and the second thing is if i dont plug the van in at night it wont start .iv had a diagnoses done and to different places told me the plugs are fine and iv relaced both wire looms for the injectors /gp. oh and once in a while iLL get code 1211. im stumped
 
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