Engine Code P228f help
Thread Starter
Junior Member
Joined: Feb 2016
Posts: 25
Likes: 2
From: New Jersey
2015 C63 507
Engine Code P228f help
I have a 2010 C63 AMG and the yellow CEL is on. When I read the code it gives me "P228f - fuel pressure regulator 1 exceeded learning limits - too high"
I get 3 codes all reading the same thing (P228f)
I have no loss of power
noticeable loss in fuel economy
brief ticking coming from engine on cold start
previous owner said he replaced 2/8 fuel injectors so im thinking maybe its a couple more of those? Has anyone had this problem and what did it end up being? Any help is appreciated, thanks guys
I get 3 codes all reading the same thing (P228f)
I have no loss of power
noticeable loss in fuel economy
brief ticking coming from engine on cold start
previous owner said he replaced 2/8 fuel injectors so im thinking maybe its a couple more of those? Has anyone had this problem and what did it end up being? Any help is appreciated, thanks guys
Thread Starter
Junior Member
Joined: Feb 2016
Posts: 25
Likes: 2
From: New Jersey
2015 C63 507
Update:
Found a crack in my air intake manifold
replacing the whole thing in a few days and will report back if the rattle goes away. It was around $1000 after install (I got a used one) so not as bad as a camshaft repair
knock on wood
Found a crack in my air intake manifold
replacing the whole thing in a few days and will report back if the rattle goes away. It was around $1000 after install (I got a used one) so not as bad as a camshaft repair
knock on wood
Thread Starter
Junior Member
Joined: Feb 2016
Posts: 25
Likes: 2
From: New Jersey
2015 C63 507
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Junior Member
Joined: Dec 2018
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Mercedes Benz C63 AMG
Update on my car.. had a shop replace the fuel filter which Mercedes thought was causing the CEL. Turns out it’s the fuel rail censor that’s going bad. Wasted $900 for no reason.. my suggestion is to have multiple shops diagnose the CEL before you decide to do anything so you don’t waste money like I did!
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Thread Starter
Junior Member
Joined: Feb 2016
Posts: 25
Likes: 2
From: New Jersey
2015 C63 507
Update on my car.. had a shop replace the fuel filter which Mercedes thought was causing the CEL. Turns out it’s the fuel rail censor that’s going bad. Wasted $900 for no reason.. my suggestion is to have multiple shops diagnose the CEL before you decide to do anything so you don’t waste money like I did!
My engine started ticking loudly today too...
Newbie
Joined: Apr 2020
Posts: 3
Likes: 2
07 E63 AMG
I had exact same issue on my 07 E63. I replaced everything with the fuel system except for pump and sender. Still nothing.... check engine light is as bright as ever. then i tried opening the gas cap and leaving it off before starting the car. It worked immediately. Hope this helps.
MBWorld Fanatic!
Joined: Sep 2005
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C63 AMG P30 *EuroCharged*| Porsche Cayenne | Buell XB9SX
Originally Posted by mnshine54
I had exact same issue on my 07 E63. I replaced everything with the fuel system except for pump and sender. Still nothing.... check engine light is as bright as ever. then i tried opening the gas cap and leaving it off before starting the car. It worked immediately. Hope this helps.
