01-11-2018, 03:50 PM
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#10 (permalink)
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A True Z Fanatic
Join Date: Nov 2011
Location: Houston
Posts: 12,265
Drives: 2011 370ztt
Rep Power: 29540
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Quote:
Originally Posted by Jimbo370
I am having the same problem. code PO900 THE MULTIPLE MISFIRES. I changed to HFC when it started and a light pulley.Then changed full agency exhaust and K&N drops and my mechanic keeps erasing the code. Now I added the exhaust extenders and it threw the same code in 40 degrees 2 days later. Changed spark plugs at 93k and wondering if its the COIL PACK. # 5 HAS 3 MISFIRES.  FOLLOWING
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Switch the coil pack with one of the other cylinders and see if the code follows it.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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