OBDII code help please

[NealCS]

Can anyone help me with this please:

On my v8 vantage 2007 roadster I got an "emission system service required" warning and downloaded the following codes:


Now the warning is gone but I have no idea what, if any, action to take- does anyone know how to find out what these codes mean?





It seems a little knowledge is a dangerous thing!

[johnnyBv8]

I think these are categories rather than fault codes (DTCs: diagnostic trouble codes)....a quick Google would suggest that 7E8 is for the engine and 7E9 is for the transmission. As I understand it, if there's actually a fault in relation to either you should be able to the menu and select it to give a P code such as P0XXX or P1XXX, which will give you more of a steer. Hope that helps!

[Gettoff]

I'm happy to be corrected but 'emission service required' faults can't be read/reset by the standard eBay type reader that you or I can normally buy. Most often it relates to an O2 sensor, it can however be a sign of something more serious. If it goes off and doesn't come back, you'll likely be ok. If it returns, then get it checked by your preferred dealer/Indy, they'll be able to diagnose and advise accordingly.

[Grumpydev]

Gettoff said:

I'm happy to be corrected but 'emission service required' faults can't be read/reset by the standard eBay type reader that you or I can normally buy. Most often it relates to an O2 sensor, it can however be a sign of something more serious. If it goes off and doesn't come back, you'll likely be ok. If it returns, then get it checked by your preferred dealer/Indy, they'll be able to diagnose and advise accordingly.

I can read and reset them with the £12 Bluetooth OBD doodah I have (along with my phone), it's one of these:

https://www.amazon.co.uk/gp/product/B00UR5BRZU/ref...

Mine sometimes comes on if I drive like an old granny (tootling around at 1500 revs or so) - it does turn itself off, but got fed up of waiting so bought one of these.

[NAC63]

I read and reset mine with a cheap ebay reader and it never came back on

[NAC63]

I agree tootling about seems to clog up the 02 sensor so go out and give it some beans.

[Gettoff]

If it can be reset then good, just make a note of the code and date so if it happens again you can have a record of when and what has happened.

[NealCS]

Thanks, looks like maybe I had to drill down another level to get the code itself - I'll wait for it to return (or not, in which case I guess it's fine!)