× 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: Ford Code P1121 ???
Posted to Technical Discussion Forum on 8/22/2003 1 Reply

If there is a conflict with MAF sansor would check first to see if hot wire in sensor is clean and free of any contamition. Anything as small as a spider web can skew the readings. Also after this would make sure TPS is within spec.

Jim Login to read more.

1 Replies Received (View Replies)