Joel, Thanks.

The injectors were serviced last year, so that is not a likely problem.

I do suspect the cat more than anything else.

John

On 3/27/2012 7:24 AM, Joel Cort wrote:
> AND FINALLY the INJECTORS.    Rather than go through the agony that I
> just went through,  Check your injectors.  they do go bad and these were
> intermittent so really hard to pin-point.