× 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

P0201 Diagnostic Trouble Code Discussion for March 2011

Fuel Injector 1 Control Circuit Malfunction

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 P0201
Help Request Posted
2002 Jeep Liberty Limited 3.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1J4GL48K72
P0201: Fuel Injector 1 Control Circuit Malfunction. OHM CHECKED ALL FUEL INJECTORS, INSPECTED ALL WIRING AND GROUNDS. RIGHT SIDE O2 SENSOR IS AT 5 VOLTS WITH KEY ON,once started drops down to zero volts. left side works good. injector ms left bank 4.5ms right bank 7.4ms. no vacuum leaks found. all fuel trims ar...
March 14, 2011