× 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

P1221 Diagnostic Trouble Code Discussion for December 2005

TP Sensor 2 Signal Correlation

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 P1221
Help Request Posted
1995 Chevrolet Blazer 4.3L No Start, MIL Lamp on VIN: 1GNDT13W85
P1221: Fuel Pump Low Volts. ... for not running issues, customer stated that he has already changed the fuel pump relay (claims it would get real hot)and it would work for awhile then quit. We installed a new relay and checked all grounds and the truck would start, once started we were a...
December 05, 2005