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rtsrs
Dodge Dakota
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2/19/2011
18:24:38
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 Subject: Back fires and won't accelerate
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Message:
I have a 92 Dakota V6 with 215K miles. It starts right up every time but recently has begun running very rough, won't idle, and when you try to accelerate it coughs, sputters, and even back fires. This doesn't happen every time. Most of the time it will start and run smooth as glass with no problem. What could be causing this intermitting touble? Any ideas?
Many thanks.
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Todd93/96Dak
Dodge Dakota
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2/19/2011
18:31:08
|  RE: Back fires and won't accelerate
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Maybe a bad fuel filter?
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rtsrs
Dodge Dakota
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2/19/2011
18:35:09
| RE: Back fires and won't accelerate
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Message:
Thanks. Do you know where the fuel filter is? My guys at the oil change place couln't get a visual on it so I'm wondering if it is inside the fuel tank.
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daddio
Dodge Dakota
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2/19/2011
22:16:05
| RE: Back fires and won't accelerate
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Try looking at the inside of the framerail on the driverside in front of the fuel tank.
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rtsrs
Dodge Dakota
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2/20/2011
20:47:44
| RE: Back fires and won't accelerate
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Thanks. Will do. In the mean time I have replaced the rotor button and spark plug wires. That didn't fix the problem. It still does its thing so don't think it is ignition related.
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Bob Lincoln
Dodge Dakota
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2/21/2011
08:11:54
| RE: Back fires and won't accelerate
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If the timing chain has never been replaced, it can be stretched and worn, causing a shift in valve timing.
But always check fault codes first:
http://www.allpar.com/fix/codes/index.html
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rtsrs
Dodge Dakota
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2/22/2011
10:14:13
| RE: Back fires and won't accelerate
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Message:
Replaced the fuel filter last night. Drove OK on the way home. Will see how it does today. Thanks everyone for your help.
RT
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rtsrs
Dodge Dakota
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2/26/2011
21:09:05
| RE: Back fires and won't accelerate
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Message:
New plug wires, new rotor button in dist. and now new fuel filter but,,,,,,,,,,,still getting the same problem, every now and then. Seems like just doesn't want to run by sputtering not taking the gas. Then all of a sudden it will buck and there you go, smooth running for the rest of the trip. Next time I start it won't give me any trouble but couple of times later and watch out! I guess the next thing I'll look at is the fuel pump. Any better ideas out there?
I will check the fault codes on the timing chain but that repair would be over my head...Thanks Bob for the link you provided.
RT
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yea
Dodge Dakota
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2/28/2011
14:07:23
| RE: Back fires and won't accelerate
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Message:
Dist. bushing &/or drive gear could cause the same
problem.
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Matthew
Dodge Dakota
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3/01/2011
20:45:24
| RE: Back fires and won't accelerate
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Message:
i had that problem with my 96 dakota and my problem was the ceramic stuff inside the catalytic converter had broken apart and it was getting in the way of the exhaust and causing the truck to run poorly so that might be your problem. what i did was i cut the exhaust and moved the back half of it out of the way and put it to the floor coming around a corner and i heard it pop coming out and the truck ran good every day after that... you could try that
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rtsrs
Dodge Dakota
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3/02/2011
15:02:03
| RE: Back fires and won't accelerate
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I have discovered that each time it does the "thing" if I stop the truck, turn off the engine and then do a restart. The problem goes away. Now how weird is that?
Thanks for all the tips.
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Pete
Dodge Dakota
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3/05/2011
21:48:11
| RE: Back fires and won't accelerate
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Had the same issue and changed all 4 O2's back to originals
that came with it NO!! After market parts for myself
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02dak4.7
Dodge Dakota
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3/11/2011
09:29:47
| RE: Back fires and won't accelerate
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Message:
It very well could be the crank position sensor. it is on the back of the block just behind the distributor and is held in with two bolts. the stock one has plastic mounting flanges and mine broke on my 93. if it vibrates and moves it will lose track of the crank and you will lose power and a big backfire...then it will run normal again until it happens again. replace it or at least pull it out clean it and make sure the tabs arent broken. (its just next to the bell housing behind the distributor.)
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yeah
Dodge Dakota
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3/11/2011
12:55:23
| RE: Back fires and won't accelerate
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Message:
rtsrs check the dist. bushing and drive gear
common problem for your year truck
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Andy Dachtera
Dodge Dakota
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5/14/2011
17:14:17
| RE: Back fires and won't accelerate
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Message:
Hello, as one other post said it may be the Catalytic Converter if possible remove it and test drive see if it helps, good luck also could check Fuel Pump PSI ?
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