We would need a little more info, to be able to try to help you.
What year truck?
Have you had the codes pulled?
42,000 is very low mileage for C or K truck. What model truck is this?
If you go to a local Autozone, PartsAmerica/Advance, VIP Auto... they will be able to help you pull the codes.
Could be something as simple as an O2 sensor. Any issues with the engine, transmission lately?
What year truck?
Have you had the codes pulled?
42,000 is very low mileage for C or K truck. What model truck is this?
If you go to a local Autozone, PartsAmerica/Advance, VIP Auto... they will be able to help you pull the codes.
Could be something as simple as an O2 sensor. Any issues with the engine, transmission lately?