well...my truck is running horrible, when you step on it some times it acts like it wants to die like it gets flooded, and the engine temp sensor jumps all over the place making it idles wierd....so today i ordered some o2 sensors and and engine temp sensor, i might coulda took him if it was running right, i dunno.
maybe your thermostat is bad. when you see it fly all over the place that normally means its bad. and or your water pump is bad. my v6 ran terrible when the water pump went out, got better mpg though. fixed the water pump threw in a new stat and filled up the coolant an she ran like a beast. check for leaks around your water pump an maybe change the stat. good luck!Originally Posted by banker099
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