need code
#6
i don't have a gauge to check the pressure ,so i took it into a mechanic to have it checked out,he put the gauge on the fuel rail and pressure dropped from fourty lbs to nothing,said bad fuel pump,cel was on indicating three codes,po 401,po402.and p1401,mechanic replaced fuel pump,repaired egr switch,and cleaned egr valve and cleaned some fumes supposably from into the exhaust,,left mechanics shop and about 3 miles later engine light came on..called mechanic when i got home and he said drive the truck fo awhile the light will go off....now i don't know if this mechanic is right about the light going off from what i read on the internet .....does anybody here have any ideas on what to do next.....i'm really baffled..............
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