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Gordon
Dodge Dakota
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7/30/2004
12:45:04
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 Subject: Loss of Power
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Message:
My 3.9 engine had lots of power until the Catalytic converter melted. This happened pulling a 24 ft trailer at 80 MPH. HP and torque went down immediately, dealers could not find the problem, and a local Joe replacing the muffler 10 months later told me to replace or throw away the converter. I got back most of the power but not all. Is there something that may have been damaged by not allowing exhaust out freely?
Gordon
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jharader
Dodge Dakota
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7/31/2004
09:27:49
| RE: Loss of Power
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80 mph with a 24 foot trailer? id be happy the thing can still pull its own weight.
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daffydak
GenIII
7/31/2004
11:17:02
|  RE: Loss of Power
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Message:
maybe a blown head gasket... if you have antifreeze in your oil, then thats the case.. you can also check for a blown head gasket, by removing your radiator cap (engine cold) start it and let it run... as it warms up and the thermostat opens, watch for a steady stream of small bubbles coming out of the filler neck. how does it run otherwise? does it have a rough idle, or is it hard starting?
just my .02
Dan
MOPAR=More Power!!
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racerX
Dodge Dakota
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8/01/2004
19:58:50
| RE: Loss of Power
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i'd imagine with the kind of towing its been put through that the transmission is slipping and not putting the power to the ground the way that it once did.
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Gordon
Dodge Dakota
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8/01/2004
20:29:26
| RE: Loss of Power
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Thanks guys for the feedback to date.
The 3.9 is actually in a 2500 van with 3 sp trans and 4.10 axle. It was a real good tow vehicle for a six( better than a GM 305) Its not the tranny, it's the loss of power from the engine. I cleaned out the inside of the cat after the melt down and most of the power came back but not all. Works better if I let of the gas a little when under full pedal. Any ideas?
Gordon
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