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05-30-2018, 07:38 PM
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#1 |
       
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I have an odd issue
Ok so I've been fighting a missfire in high boost for a while now. It seems I have fixed the problem (no missfires)
But now after each pull on high boost (22lbs) I keep getting a P0503 speed sensor A code and it puts my car into limp mode. It's a manual trans.
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MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
 https://www.instagram.com/whoopa_ss/ |
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05-31-2018, 07:42 AM
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#2 |
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Drives: 2011 Camaro SS 6sp Join Date: Nov 2016
Location: Drivers Seat
Posts: 1,904
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wow, sick setup.
I did a quick search and see alot of guys had the same issue at the water box doing burn outs, or just after a 1/4 mile pass. None of the threads had anything conclusive. p0503 is for VSS intermittent/erratic/high. Were you brake boosting? Seems everyone whos had this code come up, had the front tires moving slower than the back tires. I would just turn it off in the tune...
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2011 Camaro SS---SOLD
TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes... |
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05-31-2018, 09:16 PM
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#3 |
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My tires are 2in in height difference. I have the abs and traction fuses pulled. No brake boost just doing 4th gear pulls from 2k-7k for logs.
I've had my speedo stop reading for a split second then come back on as well.
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MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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