P0094 on 01 LB7 [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: P0094 on 01 LB7


Jonathan G
06-12-2005, 09:38 PM
My truck was setting at idle today for about 30 min. when I noticed my SES light was on. Code reader displayed P0094 code. ( small fuel leak) Is this a sign of injector failure? I did not notice or smell any fuel.

tchappell
06-20-2005, 07:36 PM
Could be the fuel cap not making a good seal. Be sure to make the cap click several times (3 or more). Erase the code and see if that's the solution.

Jonathan G
06-20-2005, 07:47 PM
Could be the fuel cap not making a good seal. Be sure to make the cap click several times (3 or more). Erase the code and see if that's the solution. That was the first thing I did when I erased the code. The SES light has not came on since. Just found out all 8 injectors were replaced 2 weeks before purchasing the truck:ro) .(20,000 ago) That takes a big load off my mind! Thanks for your help.

midwest
06-20-2005, 10:45 PM
It is not he fuel cap,that is an evaporative emission issue not fuel pressure.It could be injectors with high return rate ,but may be as simple as a pluged /restricted supply. Monitor fuel pressure regualtor return and fuel rail actual and desired pressure. Ramp presure to 160 kpa and see if follows.