2nd Gen Dakota Tech 1997 - 2004 Dodge Dakota Tech - The ultimate forum for technical help on the 2nd Gen Dakota.

Dakota 5.2

Thread Tools
 
Search this Thread
 
  #11  
Old 07-02-2020, 03:42 PM
Floyd Dubois's Avatar
Floyd Dubois
Floyd Dubois is offline
Amateur
Thread Starter
Join Date: Jun 2020
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

50 psi idling &runing
 
  #12  
Old 07-02-2020, 09:24 PM
magnethead's Avatar
magnethead
magnethead is offline
Legend
Join Date: Feb 2005
Location: Fort Worth, TX
Posts: 8,007
Received 169 Likes on 154 Posts
Default

What's the MAP sensor and TPS reading do as you crack the throttle open?

If it only stumbles/dies on acceleration, tells me it's getting a bad A/F ratio. Does it smell like fuel when it happens?
 
  #13  
Old 07-02-2020, 09:53 PM
Floyd Dubois's Avatar
Floyd Dubois
Floyd Dubois is offline
Amateur
Thread Starter
Join Date: Jun 2020
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by magnethead
What's the MAP sensor and TPS reading do as you crack the throttle open?

If it only stumbles/dies on acceleration, tells me it's getting a bad A/F ratio. Does it smell like fuel when it happens?
dies at 3k and smells like it’s running rich
 
  #14  
Old 07-02-2020, 11:17 PM
magnethead's Avatar
magnethead
magnethead is offline
Legend
Join Date: Feb 2005
Location: Fort Worth, TX
Posts: 8,007
Received 169 Likes on 154 Posts
Default

Originally Posted by Floyd Dubois
dies at 3k and smells like it’s running rich
Only while driving, or also while in park/neutral?

That tells me the TPS voltage or MAP reading are off, and it's going rich (premature open loop). Slim chance you could have an injector hanging open at long pulse lengths.
 
  #15  
Old 07-02-2020, 11:59 PM
Floyd Dubois's Avatar
Floyd Dubois
Floyd Dubois is offline
Amateur
Thread Starter
Join Date: Jun 2020
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

New injectors smells rich all the time
 
  #16  
Old 07-03-2020, 12:03 AM
magnethead's Avatar
magnethead
magnethead is offline
Legend
Join Date: Feb 2005
Location: Fort Worth, TX
Posts: 8,007
Received 169 Likes on 154 Posts
Default

Stock size injectors? Are you sure you didn't go one size too big? I think stock is 23 pound per hour. Would have to see your LTFT and STFT numbers on a logger/analyzer, but it shouldn't smell rich at all times, the oxygen sensors should be dialing back the fuel injector pulse unless it exceeds the 10% tolerance.
 
  #17  
Old 07-03-2020, 08:52 PM
Floyd Dubois's Avatar
Floyd Dubois
Floyd Dubois is offline
Amateur
Thread Starter
Join Date: Jun 2020
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by magnethead
Stock size injectors? Are you sure you didn't go one size too big? I think stock is 23 pound per hour. Would have to see your LTFT and STFT numbers on a logger/analyzer, but it shouldn't smell rich at all times, the oxygen sensors should be dialing back the fuel injector pulse unless it exceeds the 10% tolerance.

i replaced TPS, map sensor , and IAC Valve drove about 1.5 miles stopped running & won’t start back
 
  #18  
Old 07-04-2020, 09:50 AM
HeyYou's Avatar
HeyYou
HeyYou is offline
Administrator
Dodge Forum Administrator
Join Date: Apr 2010
Location: Clayton MI
Posts: 82,533
Likes: 0
Received 3,391 Likes on 3,131 Posts
Default

Got spark? Fuel pressure? Injector pulse?
 
  #19  
Old 07-04-2020, 10:54 AM
Floyd Dubois's Avatar
Floyd Dubois
Floyd Dubois is offline
Amateur
Thread Starter
Join Date: Jun 2020
Posts: 36
Likes: 0
Received 0 Likes on 0 Posts
Default HeyYou

Originally Posted by HeyYou
Got spark? Fuel pressure? Injector pulse?
spark into coil not out. Eplaced coil, crank sensor, pickup coil, 50lbs fuel pressure idling and running. New TPS, map sensor, IAC valve
 
  #20  
Old 07-04-2020, 11:09 AM
HeyYou's Avatar
HeyYou
HeyYou is offline
Administrator
Dodge Forum Administrator
Join Date: Apr 2010
Location: Clayton MI
Posts: 82,533
Likes: 0
Received 3,391 Likes on 3,131 Posts
Default

No spark from the coil??? Is that with the new one as well?
 


Quick Reply: Dakota 5.2



All times are GMT -4. The time now is 05:32 AM.