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new y pipe still throwing sensor codes

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Old Feb 26, 2015 | 09:12 AM
  #11  
martin12's Avatar
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I wanna say they had some washers didn't really look at the sensors, other than the plug end. Might just drive it and see if that will clear the codes after awhile, if not I'll just clear them UG whenever they pop up.
 
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Old Feb 26, 2015 | 09:36 AM
  #12  
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Clear the codes and then drive it. If they come back then you still have issues. Post them and let us know.
 
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Old Feb 26, 2015 | 07:35 PM
  #13  
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Originally Posted by martin12
Also the passenger side cat is roughly an 1/8" from the driveshaft, is that normal or is that what happens when you buy a direct bolt on? Anyone got any ideas
Either your motor mount is broken or your Trans mount is broken. It happened to me eventually the twisting torquing motion of the motor under load caused the cat to interfere with the driveshaft and left a nice inscision in the cat.

I recommend replacing both motor mounts and the Transmount.
 
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Old Feb 27, 2015 | 05:54 AM
  #14  
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Well fix 1 break 2 huh. Drove the truck to work this morning, b1s1 reads .445 volts the whole time under acceleration and idle. B1s2 read .445 at idle and gets up to .835 - .900. B2s1 reads .445 at idle and fluxes from .350 - .625. B2s2 read .445 at idle now it currently reads .060v. Showing codes p0134 p0135 p0155 and p0155. I know the rear passenger sensor at one point the wire got cut by the driveshaft, I tried to wrap the excess out of the way, when I put the new sensor on. will have to check all the sensors when I get off today.
 

Last edited by martin12; Feb 27, 2015 at 05:58 AM.
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Old Feb 27, 2015 | 06:02 AM
  #15  
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Originally Posted by martin12
Well fix 1 break 2 huh. Drove the truck to work this morning,

b1s1 reads .445 volts the whole time under acceleration and idle.

B1s2 read .445 at idle and gets up to .835 - .900.

B2s1 reads .445 at idle and fluxes from .350 - .625.

B2s2 read .445 at idle now it currently reads .060v.

Showing codes p0134 p0135 p0155 and p0155. I know the rear passenger sensor at one point the wire got cut by the driveshaft, I tried to wrap the excess out of the way, when I put the new sensor on. will have to check all the sensors when I get off today.
B1S1 and B2S1 refer to short term fuel trim. They will constantly fluctuate as you increase and decrease speed.

B1S2 and B2S2 monitor the health and catalyst's efficiency.

Based on your B1S1 value above it sounds like the sensor is not functioning properly.

Based on your Your B2S2 values it doesn't sound like the sensor is functioning properly.

I believe B2S2 values should fall in the .6xx range while cruising under steady throttle.
 

Last edited by coors; Feb 27, 2015 at 06:12 AM.
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Old Feb 27, 2015 | 07:39 AM
  #16  
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I might switch my front 2 sensors and see if the problem follows from the b1s1 and if so I have a bad sensor. If not I guess I have a wiring issue. And then tackle my B2s2 sensor and see if maybe I broke a wire or maybe it became unplugged or something.
 
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Old Feb 27, 2015 | 09:01 AM
  #17  
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Think you will have to switch them from side to side, i think the plug ends are diffrent.
 
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Old Feb 27, 2015 | 10:53 AM
  #18  
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I guess a little off topic but in reference to the motor mounts. While I was putting on my exhaust pipe I was able to push the motor up with one hand. Does that mean they are bad or do they have some slack in the mounts. When idling the motor don't shake or give no obvious signs. I will take a picture when I check the sensors and post it, and go from there.
 
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Old Feb 27, 2015 | 12:05 PM
  #19  
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Definitely post a picture, but you shouldn't be able to raise the motor with your had. You shouldn't be able to really move it at all.
 
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Old Feb 27, 2015 | 06:23 PM
  #20  
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Well took a picture couldn't seem to get it to show what I was after. it's hard but there is a slight 1/16 to an 1/8 gap. I pulled it on ramps to get in an out easier so the gap is smaller at that point. I tried pushing the motor up and watching all that moves , looks like the whole suspension moves motor, radiator, exhaust and everything so guess the shocks are over due for an upgrade. Haven't switched the sensors yet plan to try it tomorrow.
 
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