VACUUM FROM THE TRANSDUCER TO THE EGR VALVE

  • Tiny
  • saturntech9
  • Expert
  • 29,870 posts

So the transducer was traping vacuum to the egr valve so it was staying open?Thats why you had to look at the egr like I was saying that it sounded like it was staying open. Without looking at cant the reason its happening.

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Tuesday, August 7th, 2012 AT 12:35 AM
  • Tiny
  • leavitt
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Well the car was fixed and ran great tell last night. Now im getting code p0108 and code p0106 any ideas or is it time to get rid of the car thanks for your help

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Thursday, August 9th, 2012 AT 9:12 AM
  • Tiny
  • saturntech9
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I would start with the code P0108 map sensor voltage too high. Do you have a scan tool that reads live data to read what the map sensor reads with the key in the run position?Thats the first step.

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Saturday, August 11th, 2012 AT 8:17 PM
  • Tiny
  • leavitt
  • Member

I have a question can a map sensor cause both codes p0106 and p0108 because I bought a map sensor a few weeks ago and put it on and then the egr vavle and transducer and the problem when a way for a few days and then both codes came up and so I did a pressure and volt tst to the map sensor and the new one was bad and the old one was good so I put the old one back in and the car is running good again. Should I be look at a nother problem and yes I have a scanner but not sure on how to really run it by the way thank you for taking the time with me to work on my car

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Saturday, August 11th, 2012 AT 9:05 PM
  • Tiny
  • saturntech9
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Yes the code P0106 is linked to the P0108 code first step in the trouble tree for code P0106 is check the map sensor voltage like I told you to do. What brand and model scan tool do you have?

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Saturday, August 11th, 2012 AT 9:14 PM
  • Tiny
  • leavitt
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Well the volts that was coming from the pcm was very high and when I add vacuum there was no volts and the scanner tool I has is elmscan for a labtop and with the old map sensor it had 4.5 volts with out vacuum and when I add vacuum the volts went down like I was told

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Saturday, August 11th, 2012 AT 9:21 PM
  • Tiny
  • saturntech9
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So are those two codes active meaning when you clear them they come right back?

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Saturday, August 11th, 2012 AT 9:26 PM
  • Tiny
  • leavitt
  • Member

Yes they did with the new sensor on it but with the old one on no the have came on and I took the car about ten miles and no codes have came on nor has it tried to stall but I did try to put the new one on again and codes come up and car stalls all the time if that makes sense

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Saturday, August 11th, 2012 AT 9:33 PM
  • Tiny
  • saturntech9
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  • 29,870 posts

Bad new map sensor and you could have just had a bad connection to the map sensor before. If there are no codes qnd its running good now leave it alone and see how it goes.

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Saturday, August 11th, 2012 AT 9:38 PM
  • Tiny
  • leavitt
  • Member

I plan on it and taking the new bad map sensor back I may not get my money back but I will get a good one and just put it in the shed just in case this old one goes bad thank you so much for taking the time to chat with me about my car

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Saturday, August 11th, 2012 AT 9:42 PM

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