regarding P0504. I had a short on my trailer a while back, but replaced trailer wiring and ebrake controller. All seems fine since. I guess that would not affect smog readiness though.
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regarding P0504. I had a short on my trailer a while back, but replaced trailer wiring and ebrake controller. All seems fine since. I guess that would not affect smog readiness though.
Looks like the egr is not ready -
[ECM Monitor Status (This driving cycle)] - EGR_CMP=NO
If you have a way of monitoring egr command state you should see it cycling open and close, i am not sure on the percent open it will command, when it is idling and up to minimum temperature. 135 degrees i think
Ok, the EPA counter went up to 1. Looks like I just need to drive it a few cycles now.
WUPEPASS=1
WUPASS=1
UPDATE1: Ok, I think I figured it out. Today, ecm reported a P0128. Seems the thermostat is not allowing it to get hot. The temp has be running cold on the first large white line now for about 2 months. Previously it ran closer to 190-200. It does appear to have about a 1/2 container of fluid in the coolant tank.
UPDATE2: Problem Solved. The thermostat one or both were bad. As soon as I installed new ones, the temps when back up properly allowing heat cycling.