Jun 17, 2015, 06:59 PM
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Bucking/Hesitation on heavy acceleration...
Junior Member
Joined: Dec 2007
Posts: 30
Likes: 0
e63
with my car from dealer invoice. fuel pressure 3.8 bar, under hard acceleration dropped to 1.5 bar. required LS and RS fuel pumps, re and re rear seats, re and re covers for fuel pumps, new seals and torque rings. code was 3697 fuel pressure to low
hope this helps
hope this helps
MBWorld Fanatic!
Joined: May 2009
Posts: 1,463
Likes: 2
From: Norte America
MBUSA
any way to check these fuel values through OBDII with a autoenginuity tool or dashdaq?
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
Thread Starter
Senior Member
Joined: Feb 2009
Posts: 433
Likes: 0
From: NJ
any way to check these fuel values through OBDII with a autoenginuity tool or dashdaq?
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
No codes in my case, maybe the same for you... I would just physically check the fuel pumps out and harnesses located under the bench seat in the rear.
MBWorld Fanatic!
Joined: Feb 2007
Posts: 1,010
Likes: 0
From: Phoenix by way of Texas
2003 E55 AMG
My symptoms are exactly what Craigo described. At least I can take it easy around town and figure out exactly what is going on instead of having little time to research and get the work set up to be done at a reasonable rate!
Thread Starter
Senior Member
Joined: Feb 2009
Posts: 433
Likes: 0
From: NJ
Well, this problem just reared it's ugly head on my car. Thank goodness I wasn't trying to turn and accelerate right to the flow of traffic in a nanosecond.
My symptoms are exactly what Craigo described. At least I can take it easy around town and figure out exactly what is going on instead of having little time to research and get the work set up to be done at a reasonable rate!
My symptoms are exactly what Craigo described. At least I can take it easy around town and figure out exactly what is going on instead of having little time to research and get the work set up to be done at a reasonable rate!
Senior Member
Joined: Aug 2011
Posts: 304
Likes: 2
From: Atlanta, GA
2007 E63 AMG, 1991 NSX, 2007 Corvette
I just recently had a set of MBH long tubes installed and when I took my E63 out on the interstate and gunned it, I got the same bucking issue.
Took it back to the guys at Buckhead Imports and they checked it out and determined that all of the codes were not cleared and that there was a code for the fuel pump that needed to be cleared. Once they did that, the car is running like a champ.
Amazing how sophisticated these cars are..but when something goes wrong....it can be a real headache.
Hope you find your issue !! Good Luck.
Took it back to the guys at Buckhead Imports and they checked it out and determined that all of the codes were not cleared and that there was a code for the fuel pump that needed to be cleared. Once they did that, the car is running like a champ.
Amazing how sophisticated these cars are..but when something goes wrong....it can be a real headache.
Hope you find your issue !! Good Luck.
MBWorld Fanatic!
Joined: Feb 2007
Posts: 1,010
Likes: 0
From: Phoenix by way of Texas
2003 E55 AMG
I just recently had a set of MBH long tubes installed and when I took my E63 out on the interstate and gunned it, I got the same bucking issue.
Took it back to the guys at Buckhead Imports and they checked it out and determined that all of the codes were not cleared and that there was a code for the fuel pump that needed to be cleared. Once they did that, the car is running like a champ.
Amazing how sophisticated these cars are..but when something goes wrong....it can be a real headache.
Hope you find your issue !! Good Luck.
Took it back to the guys at Buckhead Imports and they checked it out and determined that all of the codes were not cleared and that there was a code for the fuel pump that needed to be cleared. Once they did that, the car is running like a champ.
Amazing how sophisticated these cars are..but when something goes wrong....it can be a real headache.
Hope you find your issue !! Good Luck.
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Member
Joined: Jan 2012
Posts: 194
Likes: 0
2004 E55 (sold) 2012 E350 4M
any way to check these fuel values through OBDII with a autoenginuity tool or dashdaq?
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
i have a similar issue in my 63 that has happened maybe half a dozen times most always if i can remember in 1-2nd shifts with esp off....feels like ESP kicks in, bucks, hesitations, catches gear and continues at WOT...feels more like a trans issue/slipping? but who knows. never had a code thrown and it's relatively rare
Newbie
Joined: Nov 2021
Posts: 13
Likes: 0
Cls55
hello my friend,i have a 2006 cls 55 and iam having same symptoms at higher rpms car stalls like not getting fuel,only happens ai wot,i change the fuel filter but still the same
2007, accelerate, acceleration, acceration, bucking, car, e55, funny, gas, heavy, hesitating, hesitation, petal, press, sounding, stopped, tahoe, transmission, w210
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