Sign in to follow this  
flyboyprowler

Fault Codes 420 430 On A 4.2

Recommended Posts

So the woes of the eml light go on!

Having just replaced the 4 O2 sensors, and all seemly tickedy boo. We have just had an 8 day trip through France back to the Spain, doing around 5 hours a day of mixed driving, and halfway back the light came on again, off the next day and finally on permanently. :dontgetit: Codes 420 and 430 only

I have checked back on the forum and know that the gasses have to be checked, and hopefully there is a local hombre here in Spain that can help. However, the car has now done 143000 kms, and is 10 years old, and in replacing the O2 sensors, would these shiny new beasties be working so efficiently, to tell that the cat is shot. It seems strange that this new warning should happen after doing the previous work. It is also unlikely that the car has had the ecu upgrade, so could this be the first place to start?

The car is running fine, economy is normal, so any extra thoughts would be much appreciated. :ermm:

Muchas thank yous,

Ainsley, gently melting in Spain!!

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this