× 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: Lean code caused by exhaust valve being held open
Posted to Technical Theory Forum on 5/18/2004 2 Replies

[...trimmed text...]

Hi Gary,

Isn't that a rich code? "Lean limit reached" to me means that the PCM sees the tailpipe gasses as rich and is trimming to take fuel away and has reached the "lean limit". I haven't looked u... Login to read more.

2 Replies Received (View Replies)