60mph lack of power

blobbt

New Member
Joined
Dec 27, 2010
Messages
11
Car
s class w220 320 cdi
Hi
when driving my w203 cdi it seems to go into a fault mode if driving at a constant speed, around 60 - 70 mph only way to reset it is to stop and switvh it off,,
ive changed the maf and the throttle pedal
 

DSM10000

MB Enthusiast
SUPPORTER
Joined
Jul 12, 2011
Messages
7,142
Location
Near Salisbury
Car
E32O CDi Sport, MX5 1.8 Sport, RR 4.2 SC
Hi
when driving my w203 cdi it seems to go into a fault mode if driving at a constant speed, around 60 - 70 mph only way to reset it is to stop and switvh it off,,
ive changed the maf and the throttle pedal
It may help others to help you if you gave more details such as the engine version, mileage etc but you really need to get the car connected to a STAR diagnostic system to read any fault codes otherwise you will just keep replacing parts randomly and waste money.
 

jjustme

New Member
Joined
Jan 31, 2012
Messages
2
Car
E270 CDi
I had a similar problem, but it happened at all speeds, just very poor acceleration, I think it was limp mode or something, after the mechanic looked at the codes, all he thought needed doing was an EGR clean and that seems to have fixed it.
 

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