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09-17-2013, 11:49 AM
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#1
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Name: jpavao1066
Title: Diesel Head
Status: Not Here
Join Date: Mar 2011
Location: Massachusetts
Member`s Gallery
Posts: 56
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Pyrometer problems
Hi I have an ev2 pyrometer and just recently I started having issues with it. The needle bounces up and down from 100 ish to whatever my current egts are at the time, but it won't hold the reading. It seems like if I unplug and replug it at the probe it works again, but shortly after it starts bouncing around, then eventually stays at 100. Does this sound like I need a new thermocouple? It only started this after I removed the head and reinstalled it (having to unplug the probe from the harness to do so) so I don't think it would be the gauge itself? Thanks
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97 dodge 2500 5 speed
07 GMC 2500 lbz
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09-17-2013, 11:52 AM
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#2
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Name: Schrowang
Title: Schroowwwaaaannnnnggggggg
Status: Not Here
Join Date: May 2011
Location: China, illinois
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Posts: 5,897
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Sounds like the plug is junk
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BRAD
16 F350 platinum
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09-17-2013, 11:52 AM
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#3
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Name: Dtruck1
Title: Engineer
Status: Not Here
Join Date: Jun 2010
Location: Mt. Sterling, Kentucky
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Posts: 434
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I would clean the contacts of the plug real good and put some dielectric grease inside the terminals before you plug it back together. Sounds like you are losing continuity in the circuit.
^^ also what he said.
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05 Dodge Ram 2500 Haisley DD, Wicked Stg 3 CP3, Fass, 100hp Bosch Motorsport Nozzles on new SS bodies from Exergy, AFE Bladerunner Exh, studs, rings, AFE Stg 2 with Amsoil filter, II SPS 62/71/14, Smarty SSR LLT22/HLT24/LLD18/HLD24/LLR17/HLR30 Torque 1
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09-17-2013, 12:07 PM
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#4
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Name: jpavao1066
Title: Diesel Head
Status: Not Here
Join Date: Mar 2011
Location: Massachusetts
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Posts: 56
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Ok thanks guys ill give that a shot
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97 dodge 2500 5 speed
07 GMC 2500 lbz
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09-17-2013, 02:05 PM
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#5
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Name: dieselbeef
Title: dick doggin
Status: Not Here
Join Date: Jul 2007
Location: myakka city florida
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Posts: 9,867
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mine did that and after i repl the guage and the probe i finally had to do the wire..
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02 quad cab 4x4 aluminum flatbed 63/68/14 hrvp INJ by weston 4.10 gorend/suncoast method race
01 2500 4x4 quad cab all stock/drag comp
07.5 3500 4x4 dually 4 dr 6.7 d&j extreme, fleece cheetah, gorend triple, cat filters,
rip wrongway...
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09-17-2013, 04:48 PM
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#6
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Name: WAT TURBO?
Title: Green Behind the Ears
Status: Not Here
Join Date: Jun 2012
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Posts: 60
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http://www.isspro.com/TROUBLESHOOTIN...leshooting.pdf
Troubleshooting for the pyrometer. I had to use it recently as well.
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2001 LeMans Blue M5
1999 3500 Ram 6spd, 24v Ppump, s364/s480,
1988 RX-7 Factory option turbo LS1 powerglide
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10-02-2013, 06:48 PM
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#7
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Name: Michael
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Apr 2006
Location: Happy Valley, OR
Member`s Gallery
Posts: 3,411
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Sorry I missed this post, are you still having problems? The above advice was good, but if it didn't solve it then my next guess would be a broken connection inside the thermocouple probe (since moving the wires down there seemed to have temporarily cured it). Please let me know.
Regards,
Michael Pliska
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ISSPRO Engineering Manager
Under Construction: 1999 Chevy Pro Stock Diesel Pickup
LBZ, GT4202R over GT5541R, sponsored by ISSPRO and Chris Alston's Chassisworks
95 F350 CC DRW, Intake, exhaust, chip, injectors, locker, gauges
00 Jetta TDI - tunes, clutch & gauges
And a bunch of gassers
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