Discussion:
Doosan GC15S-5 Code 731

Model: GC15S-5 Serial Number: PI-00310
Operator says check engine light comes on and at times truck runs rough intermitantly,was there today and cleared codes to see if it came back,did some other work and operator said light came back on,pulled code 731 from the truck and cleared again,didnt have a chance yet to check anything else on truck or look in my info to see what this code is and troubleshooting for it,figured would check here so could get some info on it for Monday.....
  • Posted 8 Dec 2012 07:59
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States
Showing items 1 - 1 of 1 results.
Found my info for this code is GAS FUEL ADAPT RANGE HIGH:
IN LPG MODE SYSTEM HAD TO ADAPT LEAN MORE THAN EXPECTED.
says to check the trim valves and lines(plugged) and also to check the orifices,any one know if the orifices they talk about are in the trim valves??
  • Posted 8 Dec 2012 08:38
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Upcoming industry events …
February 5-7, 2026 - Mumbai, India
April 14-16, 2026 - São Paulo, Brazil
June 9-11, 2026 - Johannesburg, South Africa
Fact of the week
In Germany, the 9th of November is sometimes called Schicksalstag, the "Day of Fate" because it has been the day for several major historical events, including the horrors of Kristallnacht in 1938 and the fall of the Berlin Wall in 1989.
Factory Cat MICROMAG20D
Morgantown, Pennsylvania, United States
Used - Sale
Unicarriers FHGE35T5S
Yokohama, Japan
Used - Sale

PREMIUM business

RAEDER-VOGEL
Innovative high-quality wheels and castors for the forklift industry.
Latest job alerts …
Muncie, IN, United States
Fact of the week
In Germany, the 9th of November is sometimes called Schicksalstag, the "Day of Fate" because it has been the day for several major historical events, including the horrors of Kristallnacht in 1938 and the fall of the Berlin Wall in 1989.