2004 codes
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Post Fiend
Joined: Mar 2006
Posts: 7,841
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From: Vacaville, Ca
2004 codes
I connected a scanner and pulled two codes.
1) p0401
2) p0277
I cleaned the EGR valve about a month ago but the truck has 230,00 miles on it.
This forum helped me isolate the no start problem last month .... It was low voltage on the FICM. I had it repaired and it was running great. I checked the batteries:battery voltage and it is 12.5 volts.
The truck isn't running right at all, seems like a misfire.
Hoping for your help again.
1) p0401
2) p0277
I cleaned the EGR valve about a month ago but the truck has 230,00 miles on it.
This forum helped me isolate the no start problem last month .... It was low voltage on the FICM. I had it repaired and it was running great. I checked the batteries:battery voltage and it is 12.5 volts.
The truck isn't running right at all, seems like a misfire.
Hoping for your help again.
Posting Guru
Joined: Nov 2012
Posts: 2,123
Likes: 5
p0277 #6 injector circuit high. FICM detected a short to ground or a defective coil
p0401 Egr insufficient flow EGR valve position does not match desired limits based on engine speed and load.
EGR sticking egr sensor biased [bad] Ep sensor biased
re-clean egr valve check wires to #6 injector or change injector if no wire problem found
p0401 Egr insufficient flow EGR valve position does not match desired limits based on engine speed and load.
EGR sticking egr sensor biased [bad] Ep sensor biased
re-clean egr valve check wires to #6 injector or change injector if no wire problem found
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