× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: P0420 and fuel economy: Huh?
Posted to Technical Theory Forum on 5/30/2011 1 Reply

[...trimmed text...]

Yes. It's a logical conclusion to the scenario.

[...trimmed text...]

Logically it has to be the MAF cleaning. Although I will admit that clearing the codes ma... Login to read more.

1 Replies Received (View Replies)