'02 E430 engine codes and 100k maintenance
Thread Starter
Newbie
Joined: Dec 2009
Posts: 6
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From: Claremont, CA
2002 E430
'02 E430 engine codes and 100k maintenance
My 2002 E430 has 105k miles and generally runs great. I have had the car serviced at dealer through first 75k miles and now at indy.
The CEL light came on and got the following codes: P0400 P0123 P0134 P0154.
For the P0400 code I'm going to attempt the "ohlord" procedure if I can get some clarification as to where to drill the hole.
For the P0123 code should I to try to clean it? Or is it just time to replace?
On about 3 or 4 different occasions in the past 2 years the car failed to accelerate. I reset the transmission by stepping on gas pedal for a minute and then turning car on. That's worked every time.
The P0134 and P0154 codes refer to the oxygen sensors.
I've read that the non-acceleration and the oxygen sensor fault codes could be due to a bad CPS.
The car runs great and my wife really loves the styling, designo espresso edition, and have no qualms about ordering all these sensors from Autohausz, about $550, ouch!
Besides the fluid changes and spark plug replacement, any other times you guys recommend also taken care of?
Thank you guys in advance!
The CEL light came on and got the following codes: P0400 P0123 P0134 P0154.
For the P0400 code I'm going to attempt the "ohlord" procedure if I can get some clarification as to where to drill the hole.
For the P0123 code should I to try to clean it? Or is it just time to replace?
On about 3 or 4 different occasions in the past 2 years the car failed to accelerate. I reset the transmission by stepping on gas pedal for a minute and then turning car on. That's worked every time.
The P0134 and P0154 codes refer to the oxygen sensors.
I've read that the non-acceleration and the oxygen sensor fault codes could be due to a bad CPS.
The car runs great and my wife really loves the styling, designo espresso edition, and have no qualms about ordering all these sensors from Autohausz, about $550, ouch!
Besides the fluid changes and spark plug replacement, any other times you guys recommend also taken care of?
Thank you guys in advance!
Senior Member
Joined: Jan 2007
Posts: 484
Likes: 0
From: Südflorida
'99 E430, '05 ML500, '15 GLK350
I would probably do the O2 sensors after resolving the EGR and throttle position sensor problems, but check Amazon for prices on them. You can do better than $400.
