Temperature, heater, and stalling problems - DODGE RAM FORUM - Ram Forums & Owners Club! - Ram Truck Forum
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Old 04-18-2013, 10:20 AM
bigdaddy590 bigdaddy590 is offline
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Default Temperature, heater, and stalling problems

I have a 98 ram 1500 with the 3.9L V6 with a standard tranny. I'm having quite a few problems that have all emerged at once. I'm hoping all of them are related and easily fixed, but I need y'alls help in deciding where to start.

My first problem began around Christmas. When I come to a stop or go from accelerating to coasting my truck stalls out. It doesn't do it every time and some days it is worse than others. Sometimes it sputters but it usually dies with out much warning and many times the only way I know it is from the power steering not working. It has no trouble starting back up.

The second problem is related to the Temp gauge on the gauge panel. The gauge never gets above ~ 150. My third problem is the heater doesnt HOT air. It will blow lukewarm air but not hot air. This honestly isnt a problemis as I live in Texas but It sounds like something that could be an indicator of the problems above.

So this is what I have already replaced:
Crankshaft Position Sensor ~2 years ago during a clutch rebuild
Thermostat ~1 year ago while replacing a short hose that runs from the block to the water pump
Engine Coolant Temperature Sensor 2 days ago to see if it would help with these problems

I'm lost and not sure if any of these are related or if they're all independent of one another. What says the forum?
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Old 08-22-2013, 01:15 AM
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BigNik BigNik is offline
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Which thermostat did you put in? i believe the stock one is 180 and they offer a 195 one if you want it hotter. and allot of times the fan clutch gets froze. if you don't have an electric fan I'd check your fan
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Old 08-22-2013, 01:41 AM
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wchnu wchnu is offline
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The heater core is probably stopped up. I had that engine in a 2000 dakota and that SOB would never get really warm. I pulled a trailer of furniture most of the was across Texas running 80 mph and no heat problems. The dieing out could be a fuel pump issue. Just a guess. But my dakota did that for a time before the pump went out.
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