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Scott S
Dodge Dakota
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8/04/2005
09:52:12
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 Subject: Frustrated
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Message:
Hi!
I have a 96 Dodge Dak 3.9 V6 87000 miles
My problem is I have been fighting a lean condition. My latest trouble has been Check Engine light; code 21 & P0132 O2 sensor shorted Hi. I have changed O2 sensor and it still has code. I put original back, reset computer, same problem. I just took it to a mechanic that has a snap on tool scanner and it had the same codes. He reset computer and adaptive memory and code came back. He checked voltage on plug wires and said it was hi, 35000 volts. The O2 sensor was hi at 4 volts. He said he thought maybe a wiring problem. I have changed the plugs, and IAC, also. I left the mechanic and was on the way home and sat at a RR track for 5 minutes. Truck was running slightly rough and missing. Had to pay attentiion alittle to notice. Anyway, as I accelerated, it popped, banged and missed. I smashed down on gas and it took off. I don't know if I should take to a dodge dealer thinking they see dodges more often. I am frustrated and don't have alot of $$$ to keep guessing. PLEASE HELP!!!
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N56629
Dodge Dakota
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8/04/2005
10:45:44
|  RE: Frustrated
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Message:
It could be that you are getting conflicting information from one or more sensors. Have him check the IAT, coolant temp, and transmission temp sensors at operating temperature. He should have a chart telling him what the resistence should be at any given temperature.
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Scott S
Dodge Dakota
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8/05/2005
23:14:25
| RE: Frustrated
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Message:
Hi!
Thanks for all the responses.
i broke down and took it to my local Dodge dealer and had him scan it. It cost $27.50 and he told me it was a bad part in my PCM that was causing my O2 sensor reading. A new PCM from them was $756 installed. i checked with Advance Auto and they have one for $220.00, but I have to take it to Dodge to have the memory flashed. It was a reman by Cardone. Has anyone had any experience with this brand? I have driven it around and it has NO codes in it, but it still pops and bangs on acceleration. Does anyone think that this bad PCM could be causing this intermittent problem? I hate to spend this kind of $$ and still have the problem. I am leaning towards the reman PCM. Any advice would be helpful.
Thanks!
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schmidtmike
Dodge Dakota
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8/06/2005
14:50:43
| RE: Frustrated
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Message:
I'd have your wiring gone over by a specialist before opting for the new pcm. Personally, I wouldn't want to spend $756 for a new PCM to find out later that the problem was a shorted 99 cent length of wire.
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