AMG GTS Engine misfire number 4 cyl 2016
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2016 AMG GTS
AMG GTS Engine misfire number 4 cyl 2016
Hey Guys,
Any of you have an engine misfire. I noticed when idling there would be a very slight burble sound change but thought it may just be some not so great gas. Happens often up here in the Winter. Never was a check engine light. The other day it was beautiful so thought i would take it out for a spin. That's when check engine light came on. I did a quick scan and got two codes P030022 and PO30485.it says "combustion misfiring of cylinder 4 has been detected there is a signal above the permissible limit value". Do you all think this may be caused by a spark plug or coil? Any suggestions would be great. I also read that this may be caused by driveshaft which doesn't make much sense but anything is possible. I haven't yet replaced the carbon driveshaft recall....
Thanks everyone!
Any of you have an engine misfire. I noticed when idling there would be a very slight burble sound change but thought it may just be some not so great gas. Happens often up here in the Winter. Never was a check engine light. The other day it was beautiful so thought i would take it out for a spin. That's when check engine light came on. I did a quick scan and got two codes P030022 and PO30485.it says "combustion misfiring of cylinder 4 has been detected there is a signal above the permissible limit value". Do you all think this may be caused by a spark plug or coil? Any suggestions would be great. I also read that this may be caused by driveshaft which doesn't make much sense but anything is possible. I haven't yet replaced the carbon driveshaft recall....
Thanks everyone!
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2017 GLE350 4MATIC
Hey Guys,
Any of you have an engine misfire. I noticed when idling there would be a very slight burble sound change but thought it may just be some not so great gas. Happens often up here in the Winter. Never was a check engine light. The other day it was beautiful so thought i would take it out for a spin. That's when check engine light came on. I did a quick scan and got two codes P030022 and PO30485.it says "combustion misfiring of cylinder 4 has been detected there is a signal above the permissible limit value". Do you all think this may be caused by a spark plug or coil? Any suggestions would be great. I also read that this may be caused by driveshaft which doesn't make much sense but anything is possible. I haven't yet replaced the carbon driveshaft recall....
Thanks everyone!
Any of you have an engine misfire. I noticed when idling there would be a very slight burble sound change but thought it may just be some not so great gas. Happens often up here in the Winter. Never was a check engine light. The other day it was beautiful so thought i would take it out for a spin. That's when check engine light came on. I did a quick scan and got two codes P030022 and PO30485.it says "combustion misfiring of cylinder 4 has been detected there is a signal above the permissible limit value". Do you all think this may be caused by a spark plug or coil? Any suggestions would be great. I also read that this may be caused by driveshaft which doesn't make much sense but anything is possible. I haven't yet replaced the carbon driveshaft recall....
Thanks everyone!
At 7 years old it’s time to replace plugs and coils preemptively. If you want to be extra diligent, do a compression test when the plugs are removed.
Also preemptively, cam sensors and magnets should be replaced and the mating harness connectors checked for oil.
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2024 AMG G63 2025 Ferrari SF90 AF Spider
More than likely it’s a Coil Pack. You can find out by switching coil paks between cylinders and see if the miss follows.
Good Luck.
Last edited by JSwan724; Feb 22, 2023 at 08:52 PM.
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From: Rockport, TX
2007 S65 AMG-Sold, 2007 SL55 P030 - 2016 GL450 - - 2017 AMG GTS - Sold - 2015 AMG S65
Do this first...
Before you do anything else, get a can of "Techron" fuel system cleaner, add it to your tank, fill it up with fresh fuel, and go for a spirited drive nine out of ten times. This will clear it up.
I have replaced two motors on two cars that had been sitting around for a while, waiting on the donor motor to come along that had the same symptoms, and they both were OK after the "Techron" Italian tune-up.
Best HK
I have replaced two motors on two cars that had been sitting around for a while, waiting on the donor motor to come along that had the same symptoms, and they both were OK after the "Techron" Italian tune-up.
Best HK
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AMG
Misfire and driveshaft are unrelated.
At 7 years old it’s time to replace plugs and coils preemptively. If you want to be extra diligent, do a compression test when the plugs are removed.
Also preemptively, cam sensors and magnets should be replaced and the mating harness connectors checked for oil.
At 7 years old it’s time to replace plugs and coils preemptively. If you want to be extra diligent, do a compression test when the plugs are removed.
Also preemptively, cam sensors and magnets should be replaced and the mating harness connectors checked for oil.
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AMG
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AMG
Thanks ... makes sense when you see the end/collar pieces. You'd think there'd be an inside thread that was self-tightening (for forward gears) and was tightened to pre-stress during the assembly/glue process (threads would also provide more surface area for glue ... but likely require thicker shaft-ends and collars). Of course, that'd assume breakage would always occur in forward and not reverse gear(s). #;-))
Last edited by Orcbolg; Feb 22, 2023 at 07:46 PM.
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2016 AMG GTS
Hello everyone,
Well brought it to a Mercedes dealer. They replaced all spark plugs, one coil pack on number 4 cylinder. They also updated software said there was an instrument cluster campaign number 2020020003 as per MB software update. Also performed campaign number 2022080010 update. Something about catalyst heating after warm engine shutdown. I am located in Canada so don't know if these recalls are also in the USA.. Said there was no driveshaft recall on my car...…I found that hard to believe but i guess i have to. Total for repairs $1800.00CAD.
Car runs great, so I'm happy.
Paul
Well brought it to a Mercedes dealer. They replaced all spark plugs, one coil pack on number 4 cylinder. They also updated software said there was an instrument cluster campaign number 2020020003 as per MB software update. Also performed campaign number 2022080010 update. Something about catalyst heating after warm engine shutdown. I am located in Canada so don't know if these recalls are also in the USA.. Said there was no driveshaft recall on my car...…I found that hard to believe but i guess i have to. Total for repairs $1800.00CAD.
Car runs great, so I'm happy.
Paul
