Forgive the rookie question. Where is cylinder 1?
Thread Starter
MBWorld Fanatic!
Joined: Jan 2004
Posts: 7,092
Likes: 13
From: Salt Lake City (but not Morm)
2003 E55 & 2014 GL550
Forgive the rookie question. Where is cylinder 1?
Few people have said it was drivers front and goes 2 3 4 backwards. My tech said it was passengers front going back 2 3 4
.
Helllppp!!!! Maybe my tech messed it up. He was in the middle of something at the time. Everyone seems to think Cyl 1 is drivers front.
Thanks in advance.
.
Helllppp!!!! Maybe my tech messed it up. He was in the middle of something at the time. Everyone seems to think Cyl 1 is drivers front.
Thanks in advance.
Last edited by Jakpro1; Apr 6, 2011 at 01:52 PM.
Super Member
Joined: Mar 2009
Posts: 937
Likes: 15
From: Alpharetta Georgia
2006 E55, 2006 saab 93 aero, 2010 glk 4m
You tech was correct. 1 is on the passenger side and numbers increase moving from front of the car towards the fire wall. 1 & 2 are closest to the bumper, 4 and 8 are closest to the firewall.
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Thread Starter
MBWorld Fanatic!
Joined: Jan 2004
Posts: 7,092
Likes: 13
From: Salt Lake City (but not Morm)
2003 E55 & 2014 GL550
Getting some misfires for 1-4. It's after hard pulls when at idle at redlights. No oil or smoke so keeping fingers crossed it's just a cat. Replaced O2s back there but still get these misfire codes now and then. Not all the time. My tech said that if car picks up bad cat, it will shut down the entire bank of cylinders. Here's hoping.
I cleared them, but when they come back I will write um down.
I cleared them, but when they come back I will write um down.
Super Member
Joined: Mar 2009
Posts: 937
Likes: 15
From: Alpharetta Georgia
2006 E55, 2006 saab 93 aero, 2010 glk 4m
If it's all four on just that one bank it could very likely be the cat as he said. I asked because I just had to deal with tracking down a stubborn misfire on my bank 7 and turned out to be an improperly seated o-ring on the injector for that cylinder 
. If you have access to star you could always look at the actual values from the sensors and compare them, that should put your mind to rest.
. If you have access to star you could always look at the actual values from the sensors and compare them, that should put your mind to rest.
Last edited by nanayaw6; Apr 6, 2011 at 04:41 PM. Reason: STAR
