Quote Originally Posted by rowekmr View Post
From my limited driving of mines (200 miles) the code comes on after normal slightly aggressive driving empty (on flat lands) without high temps. Once the code is confirmed (CEL comes on) it has reduced power until I clear the code. When I did search there were those towing heavy in high temps and then there were people like me who are not operating at the upper limit of the drivetrain.

Some of these can be as simple as a supply side leak or restriction. The black plastic fuel filters are often linked to this.

I have a ton of Tech Tips on my site regarding the P0087, bottle test etc.