P0237 and CEL

[Royal Squire]

Started truck this morning, was the 1st time it was cold enough for high idle to work since getting it enabled. Ran back in the house for a few minutes, when I jumped back in and stepped on clutch I realized I had a CEL. Of course I'm out of town so went to oreillys and it shows p0237/map sensor. Any suggestions where to start? It is way down on power too

[Me78569]

How does the truck drive?  Is it smokey offidle more so than normal?

I would also pull the edge out and see if the code goes away or not.  At least put the map wiring back to stock.

[Royal Squire]

Thanks for the reply. Was gonna try disconnecting edge but had errands to run first. About 4th time I shut it down and restarted while running around CEL went away and runs like always. Probably need to clean some connections

[Royal Squire]

Had another weird thing happen yesterday a couple times. When I went to start truck I got no WTS light, and lift pump continued to run instead of normal bump. I shut key off, waited a few seconds and everything worked normally. Hope this isn't the ECM dying