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stumped
Dodge Dakota
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7/22/2004
08:55:56
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 Subject: stalling/idle speed
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Message:
i go out to go to work and start the truck and it keeps stalling - idle speed drops very low and jumping all over - hissing under the hood ( all vaccume lines intact) and smells very rich from exhaust .. any ideas before i start poking around ?it was running fine last night ! 99slt 4x4 w/5.2 27k thanks
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BigDakota97®
Dodge Dakota
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7/22/2004
09:12:21
|  RE: stalling/idle speed
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Message:
http://www.dodgedakota.net/boards/v8/6599.html
I had a similiar problem, check out my post.
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daffydak
GenIII
7/22/2004
10:11:39
|  RE: stalling/idle speed
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Message:
You might want to check the sides of your intake manifold. There are vacuum test ports that are blocked off with slip on rubber caps. One of these may have come loose. Also, you may have a sticking PCV valve. Can you pinpoint the general area where you can hear the hissing from??
Also If you have a vacuum leak, it will make the truck run rich because the MAP sensor is getting a low vacuum (heavy acceleration) signal and richens the mixture. At idle (normally) the manifold has high vacuum, the running rich is likely associated with the leak... there is a small rubber elbow that connects the MAP (manifold absolute pressure) sensor to the throttle body. That may have come loose, or developed a crack.
one other thing, you may want to clean your IAC (idle air control) valve. this can cause a rough/low idle..
Sorry for the long winded post, I hope I helped!
Dan
MOPAR=More Power!!
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?
Dodge Dakota
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7/23/2004
14:09:04
|  RE: stalling/idle speed
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Message:
http://www.krcperformance.com/newcontent/timing.html
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FloriDak
Dodge Dakota
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7/26/2004
13:44:29
| RE: stalling/idle speed
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Message:
The same thing happened to me when my battery was almost dead. The battery had just enough juice to turn the engine over, but not enough to run the computer. The engine would run at higher rpm's but would stall at idle.
An easy way to find if it's the battery is to just hook up some jumper cables from another car and see if the problem goes away. If it does, then a new battery should fix it.
1997 Dakota extended cab
4x4
318v8
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stumped
Dodge Dakota
JOIN HERE
7/27/2004
18:51:59
| RE: stalling/idle speed
IP: Logged
Message:
thanks - it was the iac valve - old one was in horrible shape did'nt bother cleaning it - got a new one for 38. and changed it ! much betterr
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