I have a 2004 Jaguar x-type (3.0 liters) with a "check engine" light ON and the OBDII adaptor gave me the error code P1647.
I just bought the Torque product from the Android Market because I needed to get a description of that particular OBD code.
Needless to say that this Torque Pro app provided NO ADDED VALUE whatsoever.
My car [obviously] supports OBDII, but the description provided by Torque ("Driver 1 Line 7") does not mean anything to me (or anybody else for that matter).
Although Torque claims that it supports all car models (manufactured, if I remember correctly, after 1996... or so), it's clearly not supporting my Jaguar.
I just wanted to find out what part needs to be replaced for this error code (P1647).
The closest Jaguar car service is 300 miles away.

Please help me.
Thank you very much!

 

Romi, that code indicates that you have a bad upstream sensor on bank 2 of your engine. Bank 2 of your engine happens to be the side nearest the radiator. So, odds are, you will need to replace the upstream O2 sensor. This is located under the air box. So, remove the air box and you should be able to access it that way.

 

I really appreciate your help, Thermo.
I will keep you posted if the O2 sensor was the problem.

I know that there are lots of other reasons for that code popping up (vacuum leak, fuel filter/lines, fuel injector/pump, fuel pressure regulator, engine misfire, bad ground, bad computer), but let's take them one at a time.

I wish I knew (from that P1647) at least if it's a lean code or a rich code.

It will take a while to ship the part from US to Europe, but let's keep our fingers crossed!

Thanks again,
Romi