Misfire 5,6,7
MBWorld Fanatic!
Joined: Jan 2007
Posts: 2,597
Likes: 19
From: Kuwait
CLS55 2006, CLS 63S 2015
Just throwing it out there, but a member once got an issue with the way the wiring was done (extension) or O2 sensors been swapped left to right , can not remember
MBWorld Fanatic!
Joined: Jul 2005
Posts: 3,174
Likes: 19
From: London, UK
No longer stock '06 E55, A3 3.2 Quattro, GLE 400d, R107 280SL, Golf Polo
Well two things..
When I sprayed my cam covers, I noticed that each coil pack has a designated location...
did not notice this before... 
And I must have had these packs off and on about 10 times since Ive had the car ...
So in case you guys have not noticed there is a specific order to where they go in... its coded on the plug boot and the cam cover at each location. I dont think it makes too much difference, but I suppose there had to be a reason for them having this coding.
So I put it back together in the right manner, and while I have not activated the aquamist again, I have zero codes as yet. Will try again soon with spray on.. I am spraying ahead of the intercooler.... FWIW
When I sprayed my cam covers, I noticed that each coil pack has a designated location...
did not notice this before... And I must have had these packs off and on about 10 times since Ive had the car ... So in case you guys have not noticed there is a specific order to where they go in... its coded on the plug boot and the cam cover at each location. I dont think it makes too much difference, but I suppose there had to be a reason for them having this coding.
So I put it back together in the right manner, and while I have not activated the aquamist again, I have zero codes as yet. Will try again soon with spray on.. I am spraying ahead of the intercooler.... FWIW
Thread Starter
Member
Joined: May 2008
Posts: 148
Likes: 1
From: Calgary Alberta Canada
03 Silver E55
On another note, anybody who isnt running rear 02s, where are they sitting? Did you weld bungs in?
Thread Starter
Member
Joined: May 2008
Posts: 148
Likes: 1
From: Calgary Alberta Canada
03 Silver E55
Well two things..
When I sprayed my cam covers, I noticed that each coil pack has a designated location... did not notice this before... And I must have had these packs off and on about 10 times since Ive had the car ...
So in case you guys have not noticed there is a specific order to where they go in... its coded on the plug boot and the cam cover at each location. I dont think it makes too much difference, but I suppose there had to be a reason for them having this coding.
So I put it back together in the right manner, and while I have not activated the aquamist again, I have zero codes as yet. Will try again soon with spray on.. I am spraying ahead of the intercooler.... FWIW
When I sprayed my cam covers, I noticed that each coil pack has a designated location...
did not notice this before... And I must have had these packs off and on about 10 times since Ive had the car ... So in case you guys have not noticed there is a specific order to where they go in... its coded on the plug boot and the cam cover at each location. I dont think it makes too much difference, but I suppose there had to be a reason for them having this coding.
So I put it back together in the right manner, and while I have not activated the aquamist again, I have zero codes as yet. Will try again soon with spray on.. I am spraying ahead of the intercooler.... FWIW
Hmmm, I had mine off for the header install. Perhaps coincidence or maybe there really is something stupid about how mercedes did it, either way I will check it out.
Thanks
MBWorld Fanatic!
Joined: Jul 2005
Posts: 3,174
Likes: 19
From: London, UK
No longer stock '06 E55, A3 3.2 Quattro, GLE 400d, R107 280SL, Golf Polo
ok everything in the right order and still get the misfire code when spraying but only when I am off the throttle after a wot blast. So looks like i have some latent water pooling 
after a wot run ... as the system seems to spray 2-3 seconds after I have come off the trottle for some reason 
Always the same side / cylinders 5&7 ...
How you coming on tibi?
after a wot run ... as the system seems to spray 2-3 seconds after I have come off the trottle for some reason Always the same side / cylinders 5&7 ...
How you coming on tibi?
Thread Starter
Member
Joined: May 2008
Posts: 148
Likes: 1
From: Calgary Alberta Canada
03 Silver E55
I thought I had got mine fixed, a 3days of driving no problem and i raced on friday. However yesterday i misfired again (5 only), however it was awfully humid so I am guessing the water/meth couldn't fully vaporize. Once I turned it off she was all good to go.
I am simply going to stop spraying it on the street and keep it for the track
I am simply going to stop spraying it on the street and keep it for the track
Super Member
Joined: Oct 2009
Posts: 661
Likes: 3
From: Saudi Arabia - Qatif
Brabus K8 E55 05
Tibi and Stevebez,
Any update on this situation?
I have similar situation with my car, misfire and the car around 1800 - 2400 rpm seem to be suffocate and it gave small smoke. I stopped spraying and this is the second day but I don't drive the car for long, I will check in 2 more days how the car feels.
I have the nozzles after SC, before the IC. Even when I use only water, similar situation. What size of nozzles guys are you using?
My engine mods:
- 82mm TB
- Brabus Pulley
- KLEEMAN headers
- W/M post SC but pre IC
- 550cc Fuel injectors + TTM rail design
Any update on this situation?
I have similar situation with my car, misfire and the car around 1800 - 2400 rpm seem to be suffocate and it gave small smoke. I stopped spraying and this is the second day but I don't drive the car for long, I will check in 2 more days how the car feels.
I have the nozzles after SC, before the IC. Even when I use only water, similar situation. What size of nozzles guys are you using?
My engine mods:
- 82mm TB
- Brabus Pulley
- KLEEMAN headers
- W/M post SC but pre IC
- 550cc Fuel injectors + TTM rail design
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MBWorld Fanatic!
Joined: Nov 2009
Posts: 1,564
Likes: 6
AMG Fam
Having simmlar issues, P2096 and P2098 as well. But randomly the car will sometimes throw a random misfire code. the car will run like dick, until i clear the code and restart. Then all will be well....??
FF LT headers 2 200 cel race cats secondary o2s disabled but there are bungs and they are in. No issues for 1 month prior to having eurocharged flash the car for the headers, now after timmay fest I have been throwing the codes weekly... Any thoughts?
FF LT headers 2 200 cel race cats secondary o2s disabled but there are bungs and they are in. No issues for 1 month prior to having eurocharged flash the car for the headers, now after timmay fest I have been throwing the codes weekly... Any thoughts?
Last edited by Evolved8; Jul 29, 2011 at 09:34 AM.
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Joined: Jul 2007
Posts: 5,459
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From: Houston/ Austin /Toronto / UAE / Minneapolis / Orlando /Cincinnati
Eurocharged Performance ML63 and TT lambo
SPONSOR
Joined: Jul 2007
Posts: 5,459
Likes: 152
From: Houston/ Austin /Toronto / UAE / Minneapolis / Orlando /Cincinnati
Eurocharged Performance ML63 and TT lambo
MBWorld Fanatic!
Joined: Jul 2005
Posts: 3,174
Likes: 19
From: London, UK
No longer stock '06 E55, A3 3.2 Quattro, GLE 400d, R107 280SL, Golf Polo
Have not tried to spray again recently. Will do on Sunday. I have one 0.8mm nozzle after s/c ahead of I/C, water only.
Ill try fiddle with the trigger point and mbe set the start point at a higher IDC, so I use less water and see if it still happens.
Ill try fiddle with the trigger point and mbe set the start point at a higher IDC, so I use less water and see if it still happens.
MBWorld Fanatic!
Joined: Jul 2005
Posts: 3,174
Likes: 19
From: London, UK
No longer stock '06 E55, A3 3.2 Quattro, GLE 400d, R107 280SL, Golf Polo
Well picked up a misfire almost instantly after I had a short wot blast. Car running rough at idle, hunting a bit. Siwtched WI off and car settled down soon after. I think either the IAT or the MAP getting wet and throwing things into disarray. Mbe my flow is set too high here and mbe I should spray according to boost rather than IDC...
I dont get why I get misfire at part throttle (low IDC) when I should be spraying nothing at anything less than 70-80% IDC...
Mbe its the interaction between the ecu electronics and the Auquamist unit. Ill set the flow to a higher IDC and see if it returns.
I dont get why I get misfire at part throttle (low IDC) when I should be spraying nothing at anything less than 70-80% IDC...
Mbe its the interaction between the ecu electronics and the Auquamist unit. Ill set the flow to a higher IDC and see if it returns.
Super Member
Joined: Oct 2009
Posts: 661
Likes: 3
From: Saudi Arabia - Qatif
Brabus K8 E55 05
Well picked up a misfire almost instantly after I had a short wot blast. Car running rough at idle, hunting a bit. Siwtched WI off and car settled down soon after. I think either the IAT or the MAP getting wet and throwing things into disarray. Mbe my flow is set too high here and mbe I should spray according to boost rather than IDC...
I dont get why I get misfire at part throttle (low IDC) when I should be spraying nothing at anything less than 70-80% IDC...
Mbe its the interaction between the ecu electronics and the Auquamist unit. Ill set the flow to a higher IDC and see if it returns.
I dont get why I get misfire at part throttle (low IDC) when I should be spraying nothing at anything less than 70-80% IDC...
Mbe its the interaction between the ecu electronics and the Auquamist unit. Ill set the flow to a higher IDC and see if it returns.
I run my nozzle after SC, before the IC. Nozzle size is 550 cc/min, will a tune will help? I am waiting to get a tune and maybe re check again.
Super Member
Joined: Mar 2009
Posts: 937
Likes: 15
From: Alpharetta Georgia
2006 E55, 2006 saab 93 aero, 2010 glk 4m
Bumping a somewhat old thread but what was the definitive fix for these codes and were you all getting a slightly rough idle when cold? Trying to figure out if I have to pull down my race cats for inspection. I used a liberal amount of permatex ultra copper sealant to seal my ball and socket connector around my collector AMD can't help but wonder of its partially clogging both cats
Thread Starter
Member
Joined: May 2008
Posts: 148
Likes: 1
From: Calgary Alberta Canada
03 Silver E55
My problem was caused by dieing o2s. The primaries woulddrop down yo o volts and linger there. When they did so the car misfired. When the perked up the car seemed normal.
Junior Member
Joined: May 2013
Posts: 20
Likes: 0
2005 slk amg 5.5
Well gents.
For the past few weeks I have been having some random misfires. There isnt one specific thing that I am doing to cause the misfires, and they do not happen every time I drive the car.
Two weeks ago, at the track, at the end of the run the while downshifting the car made a loud exhaust noise and the check engine light came on. Cylinder 5 misfire.
Last week, driving down the highway just cruising and all of a sudden is sounded like a helicopter was above me, check engine light came on. Tried to accelerate car fell flat on its face, so I pulled over shut her down, looked around saw nothing wrong. Fired her back up and she drove fine. Code said cylinder 5,6,7 misfire.
Today, I was cruising with my parents in the car, and it repeated last weeks behavior. I haven't checked the code yet, I will check and post the exact code tomorrow. However I am willing to bet 5,6,7 misfire.
Mods:
MB 80mm tb
Cooling mist Water injection (windshield washer fluid with 2 cap fulls of meth)
FF Long tubes
Eurocharged tune
Could you gent help me narrow down where to look?
When doing a compression check should it be done WOT?
Need ideas, my drag setup arrived yesterday, so I would like to resolve this before Friday night.
Thanks
For the past few weeks I have been having some random misfires. There isnt one specific thing that I am doing to cause the misfires, and they do not happen every time I drive the car.
Two weeks ago, at the track, at the end of the run the while downshifting the car made a loud exhaust noise and the check engine light came on. Cylinder 5 misfire.
Last week, driving down the highway just cruising and all of a sudden is sounded like a helicopter was above me, check engine light came on. Tried to accelerate car fell flat on its face, so I pulled over shut her down, looked around saw nothing wrong. Fired her back up and she drove fine. Code said cylinder 5,6,7 misfire.
Today, I was cruising with my parents in the car, and it repeated last weeks behavior. I haven't checked the code yet, I will check and post the exact code tomorrow. However I am willing to bet 5,6,7 misfire.
Mods:
MB 80mm tb
Cooling mist Water injection (windshield washer fluid with 2 cap fulls of meth)
FF Long tubes
Eurocharged tune
Could you gent help me narrow down where to look?
When doing a compression check should it be done WOT?
Need ideas, my drag setup arrived yesterday, so I would like to resolve this before Friday night.
Thanks
