Ok, chasing a P0456 and finally pulled the engine cover on my 2008 NA 4.2 to check the purge valve. First glance purge valve looks brand new -- even has the part# tag. But... I thought I'd run the part # (AJ811242) and I keep getting "this part is not compatible with your car." Apparently, it's for an F-Type? The engines seem so close, is it true it is not compatible? Thanks

 

The X152 uses the AJ133/AJ126, which are different.

Check this link from SNG Barratt, one of the forum sponsors:

https://www.sngbarratt.com/English/#...%60AJ811242%60

 

Using # AJ811242 I keep getting "it won't work". Only SNG Barratt says it's right. For instance:
2007-2010 Jaguar Vapor Canister Purge Solenoid AJ811242 | JaguarParts.com
2008 Jaguar S-Type 4.2L V8 A/T Base Sedan Vapor Canister Purge Solenoid - AJ811242 | Jaguar Palm Beach, West Palm Beach FL

 

yes the xf 4.2 part is the same

 

Thanks, you all!