× 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

P0321 Diagnostic Trouble Code Discussion for November 2005

Crankshaft Position Sensor Circuit Range/Performance


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 P0321
Help Request Posted
1995 Pontiac Trans Sport 3.8L MIL Lamp on VIN: 1GMDU06L5S
P0321: SPARK REFERENCE LOST Current Code. Mill lamp on with PO321 & P1361 current codes.17 different history codes. Van has no driveability problems. Followed alldata's diagnostic tree and ended replacing ecm & prom. When I clear the codes and cycle the key to the on position I end up with 4 h...
November 18, 2005