GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Sun Runner - 4WD (Canada) 🢒 Engine 🢒 Engine Exhaust 🢒 Restricted Exhaust

Restriction

Problem

Action

1. Kinked exhaust pipes.

1. Repair/replace components as necessary.

2. Restriction in Three-Way Catalytic Converter (TWC).

2. Replace Three-Way Catalytic Converter (TWC).

3. Restriction in muffler.

3. Replace muffler/tail pipe assembly.