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JoesDAk
Dodge Dakota
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3/10/2003
21:01:22
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 Subject: Cold driving
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Message:
I have a 99 3.9L and when i take off in it before it warms up it seems to take off faster then it does when its warm.Why is this?It has 51,000 miles and new autolite copper plugs.Thanks for the help
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Jeremy
Dodge Dakota
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3/10/2003
21:16:09
|  RE: Cold driving
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Message:
cause of the choke
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ccman
Dodge Dakota
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3/11/2003
09:46:53
| RE: Cold driving
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Message:
I have a 2002 3.9 and it is the same way, i love how it runs when it is cold, aside from the cutting out at 2400rpms and coming back at 2500. that is real annoying!
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ddak98
Dodge Dakota
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3/11/2003
10:21:27
|  RE: Cold driving
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Message:
When your vehicle senses temperatures below a certain degree (I think 38) The automatic choke opens up and stays open until a desired temp is reached. During this time the choke cuts almost all the air to the engine, This riches your engine and the extra amount of fuel burns faster and makes more power. Its touchy too! huh
98 Dakota 4x4 V6Mag
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Simpleman96
Dodge Dakota
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3/11/2003
19:55:03
| RE: Cold driving
IP: Logged
Message:
It has more power when its cold because the IAT sensor mounted in your intake manifold senses cooler tempature, but when it warms up it will cut back the fuel and timing(emisions thing). Its a common thing to relocate it and plug the hole. You get more power that way.
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chris
Dodge Dakota
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3/11/2003
21:41:23
| RE: Cold driving
IP: Logged
Message:
fyi
there is no choke on any fuel injected engine.
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