Possibly burning oil

[FavoriteMystaque]

Try Motorcraft DY738, it is listed for 1999 CSVT at rockauto.com, along with various round plug sensors (confusing:help

MOTORCRAFT Part # DY738

{#F5RZ9F472B}
Upstream; 94BB-9F472BB, 96BB-9F472BB

 

[PurpleMystique]

Yep, definitely burning oil. I changed it less than 2000 miles ago and I just added 3 quarts to bring it up to full. Oops.

 

[PurpleMystique]

...and P1131 is back. Next chance I get I'm going to gut the precats and install some MILs.

 

[Frosty]

Kinda sounds like the problem I have (posted in Duratec Maint.) except I have headers and MIL eliminators. I have a cyl. 1 misfire and my plug is soaked in oil