P0117


cbxer55

15+ Year Member

Joined
Oct 9, 2009
Messages
1,904
Points
3,101
City
Midwest City, Oklahoma
Vehicle Year
1998
Transmission
Automatic
98 3.0 V-6, 206,000 miles.

Got some odd issues going on. Have a P0117 code, coolant temperature sensor. Truck has two, one on the intake manifold with two wires and one on the thermostat housing with one red wire. Gauge on the dash still works. Which one is bad?

Issue. Driving down the road, and around the time the thermostat opens, boom, truck loses power and won't respond to throttle. Lasts about 10 seconds and comes roaring back. Sometimes, I have to pull over, shut the truck off and restart it to make it go away. Since it happens around the time the stat opens, I am assuming it is the sensor on the front of the thermostat housing that has gone bad.

For the record, EVAP and EGR have been gone a long time. Never caused any issues. The P0117 is a recent occurrence. So I am hoping that is it.
 
The 2-wire device is the problem. The 1-wire device serves the gauge in the cluster.
 

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