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Old Sep 2, 2005 | 09:52 AM
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Codes

Anyone know what a 542 code needs to be fixed. I had a guy put a scanner on the truck (92 F-150) and is gave us a 542 code.
 
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Old Sep 2, 2005 | 11:49 AM
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542 is Fuel Pump Circuit failure - are your fuel pumps working?
 
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Old Sep 2, 2005 | 12:52 PM
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It looks to me that there is no power to the fuel pump. put I have checked all the fusers and relays and shutoff switch. thats why I had a guy scan it. If the fule pump is bad should you still get power back to the plug for the fuel pump?
 
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Old Sep 2, 2005 | 01:56 PM
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Yes, you should. Have you checked the dash switch? That's what routes power to the individual fuel pumps.

Even if you have a single tank, there is a jumper block inside the dash that takes the place of the dash switch.
 
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Old Sep 2, 2005 | 03:09 PM
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where abouts is this jumper that would have to be the only thing I have not checked.
 
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