Chevy Tahoe

Chevy Tahoe 1997 you've replaced the spark plugs and wires PCV valve ignition coil pack oil used fuel cleaner had diagnostic and got a P0300 code shop said running rich and misfiring getting black soo?

Top Answer
User Avatar
Wiki User
2006-09-18 03:39:38
2006-09-18 03:39:38

There are several possibilities, check the injector (throttle body), of course, you should check the air filter but you probably did that, check the fuel pressure in case the regulator is sticking and going too high. Who knows what else might be possibly wrong.

Copyright © 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.