PROCEDURE FOR PROCESSING CONVERTER WARRANTY CLAIM
Manufacturers now require the following items to
be submitted before any processing of a warranty claim.
1. Original Sales Invoice
2. Copy of Warranty Form that was filled out at time of installation.
3. Printed Detail Diagnostic Report (Not a code reading of PO420 or PO430 but real diagnostics). These readings must be obtained from a scan tool with the scanner set in generic mode. Reading are to contain:
a) Long Term and Short Term Fuel Trim readings for Bank 1 (4cylinder) and Bank 1 and
Bank 2 for (6 & 8 cylinders) Readings are in percentiles + or - Need readings at Idle and at 2500 RPM.
b) Mass Air Flow Sensor readings (gm/sec) This reading is to be at Idle.
c) Readings of all Oxygen Sensors pre-cat and post-cat. These can be freeze frame images of Oxygen Sensors.
4. Photos of the exterior of converter shell similar to the examples above.