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End-all Be-all plenum thread

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End-all Be-all plenum thread

  #121  
Old 10-03-2011, 12:19 PM
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Originally Posted by Tazman89 View Post
Well I did it! the plenum is in no broken bolts all sensors are back together and it is running fine but now I have a check engine light on so tomorrow im gonna have it scanned and see what it is!
If you have a digital odometer, you don't "have" to take it to be scanned, you can use the built in diagnostics that Chrysler was nice enough to leave in from the old OBD I days. Cycle the ingition key three times without starting, and leave the key on the third time. It should read out the p-codes on the digital odometer if you were succesfull.

There is a lot of great info in this thread. I just picked up the 99 in my sig for my GF. Gonna bust out the old magnet to check this out later. 200k and runs great, new trans. I know the truck has had the cats replaced recently by the dealership, along with the rest of the exhaust, so the plenum is on the list of may need to do's.
 
  #122  
Old 10-03-2011, 01:06 PM
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Originally Posted by Archion View Post
Cycle the ingition key three times without starting, and leave the key on the third time. It should read out the p-codes on the digital odometer if you were succesfull.
Really? That is a useful tidbit.
 
  #123  
Old 10-03-2011, 06:39 PM
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Originally Posted by Archion View Post
If you have a digital odometer, you don't "have" to take it to be scanned, you can use the built in diagnostics that Chrysler was nice enough to leave in from the old OBD I days. Cycle the ingition key three times without starting, and leave the key on the third time. It should read out the p-codes on the digital odometer if you were succesfull.

There is a lot of great info in this thread. I just picked up the 99 in my sig for my GF. Gonna bust out the old magnet to check this out later. 200k and runs great, new trans. I know the truck has had the cats replaced recently by the dealership, along with the rest of the exhaust, so the plenum is on the list of may need to do's.
Won't work on 98's for some unknown reason.
 
  #124  
Old 10-03-2011, 07:48 PM
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well got it scanned it came up as the iac so im gonna clean it tomorrow and see how that works and i also ran a can of seafoam through it and lol at the smoke show!
 
  #125  
Old 10-03-2011, 08:35 PM
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Originally Posted by Tazman89 View Post
well got it scanned it came up as the iac so im gonna clean it tomorrow and see how that works and i also ran a can of seafoam through it and lol at the smoke show!
https://dodgeforum.com/forum/dodge-r...n-the-iac.html
 
  #126  
Old 10-04-2011, 06:30 PM
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Thanks zman but I already found it! ha lol well I cleaned it and that was it the truck runs great now!
 
  #127  
Old 10-13-2011, 03:21 PM
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Does anyone find it odd that im sitting at 199,486 miles still with the oem plenum and intake and have had no signs of damage? I did the magnet test and of course it stuck. I pulled the pre o2 cat sensor and will also test that way. I was just curious if this makes my truck out to be considered a ticking time bomb?
 
  #128  
Old 10-13-2011, 08:23 PM
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Originally Posted by Bens5.9l4x4 View Post
Does anyone find it odd that im sitting at 199,486 miles still with the oem plenum and intake and have had no signs of damage? I did the magnet test and of course it stuck. I pulled the pre o2 cat sensor and will also test that way. I was just curious if this makes my truck out to be considered a ticking time bomb?
Pulled the o2 and no difference.
 
  #129  
Old 10-16-2011, 08:59 PM
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The only "test" you need to do, as the thread already suggests...Is to pull the TB off and look 360* around the intake for pooling oil. No need to pull the o2 unless you're checking for a clogged cat.

The "scientific" numbers say that 99.9% of 2nd gen rams are affected by leaking plenum (i just made that up)...you could be that 0.1% but I doubt it unless you've thoroughly checked the intake.
Opening the throttle plates isn't fully checking. I had to take the throttle body off to see the oil in the back of the intake.
 
  #130  
Old 10-21-2011, 01:27 PM
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Do the 2001 5.9's have this issue too?
 

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