Truck stalling and making white smoke on highway?
It's been happening this week and been doing it ever since when I go over around 65mph. My thermometer on the dash says its on the cooler side, but what's been happenening is when I go down the highway, it feels like someone switched gears from let s say 2nd to 8th (just an example) kinda like if you started in 2nd or 3rd furing takeoff. The truck rattles and sounds like it's about to stall and as soon as it does, a puff of white smoke comes from the exaust. Then when I start it up more white smoke comes out Then I can drive normally back on the highway until I get to high speeds. It's a 1993 Ford Ranger XL 2.3 4cyl. I went mudding in some pretty deep mud and I noted the alternator has been acting up and stalling sometimes on the road but that s a different problem than this one. The radiator was super muddy and I flushed it, but I didn't do a full engine flush. I just kept spraying a water hose until the water from the drain hole was clear. If anyone knows anything that could help that would be great.
Blown head gasket.
Check the coolant level. If it's too low the actual temperature won't register on the gauge. White smoke in the exhaust could be a blown head gasket. Check the oil and if it's milky looking that's coolant in the oil. Again, blown head gasket.
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