Code 335 and 542 for no start?

[bobbyrayjr85]

335 O EGR Sensor voltage out-of-range


542 O,C Fuel Pump circuit open; PCM to motor


Can someone explain this in better detail
and the 542 is that bad ground or the whole pump ?
And pretty sure 542 will be crank no start but will both cause it?

 

[rickybobby]

ignore 335 for right now, it wont cause any no start concerns. 542 could be the pump, or a wiring problem. check for power and ground at the pump, and if you have both then it is the pump. IIRC there will be 2 wires hot, one hot in run, and one hot in run while running and for 3-5 sec when you turn on the key

 

[bobbyrayjr85]

How would I check for Power and Ground at pump. Is there a video of this maybe?

 

[bobbyrayjr85]

Also when I turn key to On I hear a Click at The fuse relay ? but no pump