Catalytic Convertor problems of the 1999 GMC Sierra

One problem related to catalytic convertor has been reported for the 1999 GMC Sierra. The most recently reported issues are listed below.

1 Catalytic Convertor problem

Failure Date: 01/10/2003

Fuel pump will over heat and than short out. Exhaust always rattles engine knocks cat. Converters went out digital display stopped working.

Gasoline Engine problems	3
Manifold/header/muffler/tail Pipe problems	3
Engine And Engine Cooling problems	3
Engine problems	2
Engine Knocking Noise problems	2
Engine Cooling System problems	2
Engine Exhaust System problems	2
Engine Failure problems	1
Catalytic Convertor problems	1

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