The complete automotive resource for buyers, sellers, and owners like you.
Car, Truck and SUV Forums at Roadfly
+ Bentley Forums
+ BMW Forums
+ Cadillac Forums
+ Chevrolet Forums
+ Ferrari Forums
+ Jaguar Forums
+ Lamborghini Forums
+ Lotus Forums
+ Mercedes-Benz Forums
+ Maserati Forums
+ MINI Forums
+ Porsche Forums
+ General Discussion
+ Marketplace Forums
Could be a clogged exhaust if your A/F...... (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Bob745 on December 22, 2001 at 11:54:08:

In Reply to: poor acceleration with loud hissing posted by Tom B. 86 735i on December 22, 2001 at 11:27:18:


mixture has gotten off (too lean or too rich) you could have destroyed the cat. Did exactly that while tuning my 745 after increasing the boost. Had cat guts plugging up the tail pipe after one way too lean run. In my case, you could put your hand behind the exhaust pipes and feel exhaust only on one side. The other side was completely clogged. Performance was as you described.

When's the last time you changed your O2 sensor?




Follow Ups:


[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Questions, comments, or problems, please visit the Roadfly help desk.
Roadfly.com Logo © 1997 - 2009 Jump Internet Inc. All rights reserved.