lag between 4-5 k rpm and check engine light
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lag between 4-5 k rpm and check engine light
Hey, I have a somewhat recurring problem, I have a 2012 cls63 stage one tune. At around 4-5 k rpm it feels like its hesitating to rev, sometimes after a doing it a couple times check engine light comes on and heavy shaking. Then if I turn it off check engine may go away. If it does or does not driving after feels normal. It also doesn't happen every time, just sometimes, especially after a couple of runs. Ive change spark plug. Any suggestions as to what this could be? Scanner also says 5,6,8 cylinders are misfiring.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Hey, I have a somewhat recurring problem, I have a 2012 cls63 stage one tune. At around 4-5 k rpm it feels like its hesitating to rev, sometimes after a doing it a couple times check engine light comes on and heavy shaking. Then if I turn it off check engine may go away. If it does or does not driving after feels normal. It also doesn't happen every time, just sometimes, especially after a couple of runs. Ive change spark plug. Any suggestions as to what this could be? Scanner also says 5,6,8 cylinders are misfiring.
what gas are you using?
does it do this with the stock ecu?
who indexed the plugs?
https://mbworld.org/forums/w212-amg/...-e63-amgs.html
Last edited by PeterUbers; Mar 14, 2022 at 12:07 AM.
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I also belive cylinder 7 misfires, not sure can't remember.
Can I switch coils from one back to the other and see if the problem still occurs? If it does it shouldn't be coils correct. (Because the good side coils still have a problem).
I use shell 91, sometimes 94. There are very few gas stations with anything higher than 91 here.
Previous owner did the tune so not sure if it had a problem pre tune.
By indexing plugs I'm guessing you mean gap? I gapped the plugs, looked over the forum and did it correctly, not stock. There also one step colder. I belive.022.
After further research could this be a 02 censor?
Can I switch coils from one back to the other and see if the problem still occurs? If it does it shouldn't be coils correct. (Because the good side coils still have a problem).
I use shell 91, sometimes 94. There are very few gas stations with anything higher than 91 here.
Previous owner did the tune so not sure if it had a problem pre tune.
By indexing plugs I'm guessing you mean gap? I gapped the plugs, looked over the forum and did it correctly, not stock. There also one step colder. I belive.022.
After further research could this be a 02 censor?
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S212/M5T/Z31/240Z/3rd gen Tacoma
I am no expert but don't think there are any tunes designed for 91 octane. I wouldn't run a tune at all if I couldn't at least get 93.
Indexing the plugs refers to the orientation of the electrode. There is a very specific orientation and installation procedure for the M157's.
Indexing the plugs refers to the orientation of the electrode. There is a very specific orientation and installation procedure for the M157's.
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2014 E63S
I am no expert but don't think there are any tunes designed for 91 octane. I wouldn't run a tune at all if I couldn't at least get 93.
Indexing the plugs refers to the orientation of the electrode. There is a very specific orientation and installation procedure for the M157's.
Indexing the plugs refers to the orientation of the electrode. There is a very specific orientation and installation procedure for the M157's.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
But if it was tuned for 93 and you are running 91 there may be a problem
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
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2014 E63S
But if it was tuned for 93 and you are running 91 there may be a problem
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
Might be a good idea to have it flashed to stock and start there.
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05 C55-gone 06 E55-gone 15 P85D 14 E63 S 11 Sonata 😅
But if it was tuned for 93 and you are running 91 there may be a problem
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
why Don't you add 1 gallon of E85 to your next 91 fill up and see if you have the issue?
also just replace all coils but sure you can swap the coils and see if that's the issue -- misfires are not good for this engine I wouldn't experiment too much.
a friend with a 15 s63 bought his car that was tuned for 93 but there’s only 91 around here. His car was getting intermittent check engine codes. He would clear it and it would come back. Only viable solution was a retune to 91
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Out Of Control!!
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
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Went to my mechanic and he scanned this. Searching around seems like knocking issue is from WIT on low gas with tune. Which I was doing wot at just under 1/4 gas. But now it says only 4 and 5 are misfiring? 4 has never misfires before. Mechanic is also not to sure as to what the problem is. Any help N additional info would be great. Will change out ignition coils tdy tho.
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2014 E63S
How many miles are on the car?
It may be a good idea to change the coils if the plugs are new and in good shape. But I think you should stop driving the car until you can at least get back onto the stock tune.
It may be a good idea to change the coils if the plugs are new and in good shape. But I think you should stop driving the car until you can at least get back onto the stock tune.
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E63 SL55 996TT C5Z06
Went to my mechanic and he scanned this. Searching around seems like knocking issue is from WIT on low gas with tune. Which I was doing wot at just under 1/4 gas. But now it says only 4 and 5 are misfiring? 4 has never misfires before. Mechanic is also not to sure as to what the problem is. Any help N additional info would be great. Will change out ignition coils tdy tho.
