× 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

P2237 Diagnostic Trouble Code Discussion for September 2011

Air Fuel Sensor 1 (Bank 1 Sensor 1) Pumping Current Signal Open

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P2237
Help Request Posted
2003 Acura MDX 3.5L Misfire, MIL Lamp on VIN: 2HNYD18693
P2237: Air Fuel Sensor (Bank 1 Sensor 1) I/P Line High Voltage. Replace engine with used (see repair history). All went well, first road test the vehicle ran great. Performed alignment, road tested again to check steering wheel centering, vehicle misfired, code P0304 - found #4 coil was no good, swapped it out, road tested...
September 23, 2011