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B.W.Magagna
Dodge Dakota
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7/08/2004
13:12:17
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 Subject: vehicle bucks
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Message:
I have a 2000 with 90,000 miles and the 3.9 engine. At highway speeds the rpm's spike fron 50 to 200 rpm for aprox. 1 second at a rate of 2 to 3 times per min. I had the dealer change the plugs,wires,cap, and rotor. No change. The problem seems to be moisture sensitive as the frequency and intensity increase with rain.
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?
Dodge Dakota
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7/09/2004
09:01:37
| RE: vehicle bucks
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Message:
possible O2 sensor staring to fail !
or intake air sensor !
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bwmagagna
Dodge Dakota
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7/09/2004
17:28:41
| RE: vehicle bucks
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Thanks for the info. How do I check these sensors?
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Bob Lincoln
Dodge Dakota
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7/09/2004
18:54:12
| RE: vehicle bucks
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Message:
http://allpar.com/fix/80s-codes.html and look for code 51 for oxygen sensor.
Consider also the possibility of the torque converter locking/unlocking. The solenoid connector is on the transmission case, and rain may be splashing onto it.
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89dak
Dodge Dakota
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7/10/2004
00:21:55
| RE: vehicle bucks
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my parents had a durango that did the same thing on the highway. after numerous trips to the dealer (who couldnt fix a damn thing) they ended up trading it in because of that and the gas mileage being horrible (around 11 mpg)
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