SL55/63/65/R230 AMG afr help - MBWorld.org Forums

Apr 5, 2017 | 03:19 AM

rxzoco

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Junior Member

Joined: Nov 2011

Posts: 57

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2008 cl550

afr help

sorry i am a noob don't know much about cars

hi are my air ratios normal or do i need retune?

the dyno tuned i didn't install the wide band gauge yet but they had one..
they put the sensor on the tail pipe.. when dyno
i recently installed innovate wide band gauge both sides
these are my ratios
idle
left 14.1 - 15
right 14.1 - peaks to 16 sometimes

mild throttle normal driving 14.8 - 15 both sides similar

WOT 11.2 - 11.3 both sides similar

so far i notice the numbers are very different around idle

and the tuner last time checked he said my iat was good
2003 sl55
eurochaged headers smaller pulley tcu tune belt wrap kit k&n filters
after dyno tuned eurocharged
eurocharge supercharge spacer
new oem ic pump
ftp front intercooler
ftp beast tubes

this comes up about every 25 miles of normal driving errands no boost no hard acceleration
p2096 post catalyst fuel trim system too lean bank 1

but if hard acceleration through out the day no cel. but once i drive slow and normal driving
p2096 post catalyst fuel trim system too lean bank 1
comes on
but overall the car drives very normal and smooth and powerful please help

new colder plugs and new wires
please help please help ..

i love my car i would like some advice before i schedule another dyno tune

i checked the car no exhaust leaks..

and no loose bolts .
no hoses missing or loose .

but again I'm a noob =(