powerlogger reading stumbling @ wot

[57 chevy]

Need some feedback on this reading please. what would make car stumble @ wot?

 

[BARRACUDA1968]

You got some weird AFR numbers going on. I'd start there.

 

[57 chevy]

You got some weird AFR numbers going on. I'd start there.

Thanks Barracuda1968. That's a broken wideband reading you are seeing. My 02S on SCANMASTER is fine. I need to get my wideband repaired. top end repaired, fuel filter. THANKS.

 

[TurboBuRick]

Do you happen to be running a caspers l.e.d. cap?

Rick

 

[57 chevy]

Do you happen to be running a caspers l.e.d. cap?

Rick

No on the Caspers cap. My car is fine now. It was a fuel filter problem.