check engine light

[dsblack]

Thing just came on. I do not own a code reader.
What do I do?

 

[jharvey]

Do you have an autozone close by, they usually have scanners you can use.
Worse case is take it to the dealer and let them scan it.

 

[dsblack]

got a code p2285 injector control circuit pressure low.
Reset it and see if it comes back?

 

[tbirdfiend281]

how many miles on your truck?