MAF, MAP, and O2
03-08-2017, 04:03 PM
#1
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2012 C250
MAF, MAP, and O2
Just hooked up Torque to a bluetooth OBDII and am getting some new info about my C250. One is that only one of my two (?) O2s in bank 1 is giving voltage.
and MAF gives nothing (no volts) but isn't setting any codes as faulty. Not getting any codes except a cylinder one fixed by replacing a coil and plugs.
Getting one code though that won't disappear relating to crankshaft position but pretty sure my questions aren't related to that.
Question is does the C250 have a MAF? Or just a MAP? Also could one of my O2s be failing due to failing MAF or is it failing regardless?
and MAF gives nothing (no volts) but isn't setting any codes as faulty. Not getting any codes except a cylinder one fixed by replacing a coil and plugs.
Getting one code though that won't disappear relating to crankshaft position but pretty sure my questions aren't related to that.
Question is does the C250 have a MAF? Or just a MAP? Also could one of my O2s be failing due to failing MAF or is it failing regardless?
03-08-2017, 05:30 PM
#2
Super Member
Mine has done the same, ie no second O2, no MAF etc.....
Don't discount its a software issue in the app..
My car runs fine, no codes (flagged or stored), no issues..
Don't discount its a software issue in the app..
My car runs fine, no codes (flagged or stored), no issues..
