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23:46:02 - 12/19/2024
V6 Dakotas
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Larry Weeks
Dodge Dakota
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12/14/2006
12:45:58
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 Subject: 89 Dakota -- runs like crap suddenly
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Message:
Hi,
I inherited my mom's 89 Dodge Dakota V6 with TBI. It hasn't been maintained too well for a while, but neither has it been driven much. It drove fine for about a month after I got it, being driven occasionally. It did have an issue with very occasionally dying immediately after starting. On the second start, it was always fine. I figured it would go away with the tuneup I would give it soon. Then one day when I went to drive it after it had sat for two days, it would barely start, once started would bog badly, and die unless revved. When it was driven, it would hesitate badly and then lurch forward, or die as soon as it was in gear. The engine smelled rich. The engine only smoothed out, a bit, at high RPMs (3000).
No codes in the computer. I replaced the air filter, plugs (quite worn), cap, rotor, wires, coil. It ran less bad. I then replaced the MAP sensor, since it seems to be a common issue, and also cleaned the sensor contacts and the contacts in the computer on the fender. That made no difference. It will start, no longer dies immediately, and will idle rough. Still hesitates badly, and occasionally dies in gear. The power kicks in suddenly above 1500 - 2000 RPM, and the truck lurches.
Given that it runs bad either throttle closed or throttle open, I'm not suspecting the IAC assembly, though I will inspect/clean it. I'm next replacing the fuel filter, which is likely ten years old or more. I plan to do the rest of the basics for maintenance to get it to a good baseline. However, this happened overnight, indicating to me that something failed overnight. I'm also going to pull the O2 sensor to see if possibly the catalyst collapsed/clogged. Any other suggestions for possible culprits?
Thanks.
Larry
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Peter
Dodge Dakota
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12/14/2006
12:56:41
| RE: 89 Dakota -- runs like crap suddenly
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Larry this is what I just posted on Jorge's 87 dakota dying out, and I think the same could apply.
Jorge, That year dakota might be one of the ones that has a problem with a splice involving the wires coming out of the fuse box, having to do with the fuel pump. If you go to google and search within this site you might find a whole lot more detail. I think that is also the year that has a problem with the distributor bushing, but I think that only happens when the engine is cold.
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?
Dodge Dakota
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12/16/2006
21:20:43
| RE: 89 Dakota -- runs like crap suddenly
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Message:
Did 89 have the EGR valve/sensor ?
Passenger side of distributor if has = change...
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