Dtc P0540,P1093 Anybody know what this might be. [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Dtc P0540,P1093 Anybody know what this might be.


2002d
10-26-2006, 12:02 AM
I have a 2002 lb7 and i get these codes .I have been seeing white/blue smoke from stop and go until it warms-up.Idle seems rough too alot of vibration.

The Neens
10-26-2006, 12:12 AM
P0540-Intake Air Heater Circuit
P1093-Fuel Rail Pressure Low During Power Enrichment
1093 is often caused by a dirty fuel filter on a LB7
Click on "user CP" at the top of the page and fill out a sig so we know what you have

2002d
10-28-2006, 10:20 PM
I have a 2002 lb7 and i get these codes .I have been seeing white/blue smoke from stop and go until it warms-up.Idle seems rough too alot of vibration.
-:t Just took it to the shop #2 injector bad causing it to lose pressure.

moss022
10-29-2006, 08:17 PM
still dont explain the 0540. you have the same smoke problems i do when my intake heater is out

michael nelson
10-29-2006, 08:20 PM
sig please-that way we can help you better