What the heck?

[Jchristenson]

I live in a relatively cold climate. There are some nights that I don't get my p/u plugged in, and on occassion when I go out to start it in the morning the fuel and air heaters do not work along with the speedometer. Fuses are not the problem, I have checked them. Possibly a bad sensor? Please help!





'91 Dodge 3/4 Ton 4x4

 

[R.E. Miller]

I cannot tell you about the speedo, but the heaters and KSB soleniod are controlled by the computer and two sensors located on top of the intake manifold. If it is the sensors, it is an easy fix. My truck started acting up last year, white smoke and rough running when first started, at 160,000 miles, I just replace both sensors, no problems now. Hope this helps.



Russell