× 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: Some discussion on DaimlerChrysler coil and injector fault
Posted to Technical Tips Forum on 6/18/2003 1 Reply

Thomas,

I finally pulled a P0420 code on this 2.7 L Chrylser. At idle, the upstream and downstream sensors were graphing normally. At 1,500 rpm, the downstream sensors were suddenly switching at the same rate as the upstream sensors, thus the P0420. The rest... Login to read more.

1 Replies Received (View Replies)