U1000 engine code Nissan Titan

Question

I have a 2004 titan how do I go about fixing the problem U1000. and do you know anything about the P0455 code

Answer 1

P0455 a loose/bad gas cap can set the code off or EVAP canister or EVAP hose.

U1000 is a bad ground problem, you can clean the factory grounds with sand paper and tighen them back up. and you can add a grounding kit to help the factory grounds