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Engine 1 fuse keeps blowing.

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Old 08-08-2017, 10:17 PM
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Default Engine 1 fuse keeps blowing.
For some reason the engine 1 fuse in the pic keeps blowing and the truck won't start.Checked all grounds they look good.It's a 01 Dakota Quad cab 4.7.Also codes p0135 and p0155 for 02 sensors come up after the fuse blows.
 
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Old 08-09-2017, 10:49 AM
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What pic?
 
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Old 08-09-2017, 11:54 AM
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Originally Posted by HeyYou
What pic?
I concur.....
 
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Old 08-09-2017, 01:01 PM
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Sorry that was a typo I meant PDC. Lol
 
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Old 08-09-2017, 01:08 PM
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Your codes are both for the heater circuits on the O2 sensors. Don't know if those get power from the fuse that keeps blowing. Got wiring diagrams?
 
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Old 08-09-2017, 01:14 PM
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Don't have a diagram. But the only time the codes show up is after the fuse blows.
 
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Old 08-09-2017, 01:21 PM
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Well, it appears the O2 heaters have their own fuse. (Fuse U, in the PDC.)

Which fuse specifically, is blowing?
 
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Old 08-09-2017, 01:23 PM
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Engine 1 fuse 30a.top right 2nd fuse down if that helps.
 
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Old 08-09-2017, 01:35 PM
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I have the 01 service manual, but, I am just not visualizing which fuse.... Could you post a pic?

I see a fusible link for the engine.... but, I don't think it's in the right spot. (unless the pic in the manual is oriented wrong.....)
 
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Old 08-09-2017, 02:49 PM
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How to you attach a pic?
 
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