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Old 06-10-2006, 09:58 PM   #1 (permalink)
dmaxlly
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DTC p2138

I got this code on my LBZ today and was wondering what causes this and how can it be corrected? The DIC says "reduced engine power". I am running the PPE, MBRP exhaust(w/cat and muffler), and and AFE stage 2 intake.
Thanks

DTC p2138- (APP), sensor 1-2 correlation.....
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Old 06-11-2006, 09:47 AM   #2 (permalink)
dmaxlly
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Anyone have any ideas? Don't want to go to dealer if I don't have to...
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2005 GMC Sierra 3500 cc dually 4x4,Magnaflow 4" exhaust (catless) w/LB7 down tube,AFE stage 2 intake, egr blocker plate,tie rod sleeves,fuel rail shim mod,Kennedy twin lift pumps,06 OEM towing mirrors,Complete stage V(II) ATS trans with co-pilot,ATS rear diff cover,Nicktane aux fuel filter,Mike L. 06 tans cooler retro fit on my 05(pics in garage).----SOLD ----


member #299 of the 3500 Dually club

Other Toys:
07 Yukon (Wifes)---SOLD!----
08 Can Am 800xt (Mine)
08 Can Am 500 max xt (wifes)
07 Can Am DS 250 (Duaghters)----SOLD---
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Old 06-11-2006, 12:06 PM   #3 (permalink)
dmaxtechreno1
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hello

if the dtc description is correct it has an issue with the accelerator pos. sensor the only problems ive ever seen with those have been connector issues (poor connections) although i have not seen it at all on the new 06 rigs. i highly doubt you have a problem that could have been caused by anything you have added my suggestion take it to the dealer. ill look at the diag info for that code tomm. while a work and se if i can come up with anything else. mike.
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