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P1128 & p1129

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  #11  
Old 06-05-2014, 08:54 AM
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4 months ago i replaced my O2 sensors with Bosch. Could that be my problem
 
  #12  
Old 06-05-2014, 11:12 AM
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i now notice that if i try a little night driving, when it goes to start bucking, the headlights also flicker but dont go out.
This makes me wonder ifn there's a problem w/the alternator, causing the other problems?
Had a problem once, with the lights flickering on a Chev, turned out to be a loose connection at the alternator.
 
  #13  
Old 06-05-2014, 12:54 PM
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Alright I'll check the alternater after work. But I'm thinking since I pretty much replaced everything else, could all 4 of my o2 sensors be bad?
 
  #14  
Old 06-05-2014, 02:30 PM
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Originally Posted by belfryboy22
Alright I'll check the alternater after work. But I'm thinking since I pretty much replaced everything else, could all 4 of my o2 sensors be bad?
I cant imagine all four being bad, plus bad O2s usually mean fuel mileage through the floor and more than normal black soot/smoke at the exhaust tips. The fail safe is more fuel so you don't run into lean conditions.
 
  #15  
Old 06-05-2014, 02:45 PM
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I do have black soot in my exhaust tips, and it is running rich. That's why I'm asking about the o2.
 
  #16  
Old 06-15-2014, 07:16 PM
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Default Problem solved

Oxygen sensors on both banks were not reaching temperature fast enough. Never buying Bosch again!
 
  #17  
Old 06-15-2014, 07:55 PM
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Originally Posted by belfryboy22
Oxygen sensors on both banks were not reaching temperature fast enough (heater not working). Never buying Bosch again!

If I had a nickel...
 
  #18  
Old 09-05-2014, 10:16 AM
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Just got same codes, p1128+p1129
aswell p0340, CPS

I have had the third one before, causing my truck to die after start up or after running for any X amt of time, if i come to an idle, if i'm driving , all gauges will drop as if dying but if i give it gas it can stay going.

guessing maybe all the codes have something to do with each other..

Don't want to try any fuel cleaner if that's not going to do anything.

i bought the CPS sensor in hopes to replace it , as it was happening multiple times daily, and then all of a sudden it just stopped doing it, 4 months ago or so, after really wet days it was the worse. could be a wiring / electrical thing.

I never replaced it after.

IT has been running rough, almost seems like the transmission...
which is not the original, has a 2007 dodge ram 1500 in it . as well it has an 06 dodge ram 1500 engine in it..

which is not close to as powerfull as my original dakota engine that was in it.seems like alot less horsepower...
 
  #19  
Old 09-05-2014, 10:17 AM
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^^^^
you solved your problem? it ended up being the o2 sensors?
 



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