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91' dak running bad

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  #1  
Old 03-10-2010 | 08:36 PM
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Default 91' dak running bad

Hey guys, I've been working on my dakota on and off and it seems that it's running really rich. I mean after it sitting idling for a while you can smell the truck from like 15ft away. Also the sensor that controls the throttle always tries to keep the idle high for like 3-7 sec after giving it throttle. Any help appreciated. It is a pretty beat up truck but i've been working on it. Also it doesn't have a muffler if that helps. Old one looked peeled open like a banana so i took the sawzall to it.
 
  #2  
Old 03-10-2010 | 09:34 PM
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Whats the plugs look like? They can tell a lot about what an engine is doing and not doing. You probably need to clean the IAC and intake. Your exhaust will smell bad if you take the CAT off.
 
  #3  
Old 03-11-2010 | 07:35 AM
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dk sport
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also checkthe hose that goes to the map on the front of the tb
 
  #4  
Old 03-11-2010 | 08:17 AM
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And run your codes.
 
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Old 03-11-2010 | 09:44 PM
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alright thanks for the advice will check those things out tom when i get the chance. Also it still has the CAT on
 
  #6  
Old 03-15-2010 | 05:27 PM
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Alright well besides realizing i need new spark plug wires.( I barely touched one and it fell apart) Heres some pics of a plug. I was gonna take apart the iac but the rain started up again.



 

Last edited by Crazy4x4RT; 03-15-2010 at 05:54 PM. Reason: Added IMG tags
  #7  
Old 03-15-2010 | 05:55 PM
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Looks like they have been running hot. Not bad looking, could be worse. Just replace them.
 

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  #8  
Old 03-15-2010 | 05:59 PM
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They are new plugs. AZ93DKota said to take em off and look at them. I figured they look good though. I'll take the iac off and clean it when the weather clears up hopefully tom.
 

Last edited by usaweapon777; 03-15-2010 at 06:02 PM.
  #9  
Old 03-17-2010 | 07:18 PM
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ALRIGHT, well i finally got the iac off and cleaned it out. The truck seems to run better with the idle coming down faster but still not as fast as it should. I think i'm going to replace the iac how much are they?
 
  #10  
Old 03-17-2010 | 07:21 PM
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Go to www.autozone.com and see how much it is.
 


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