K 2500 Truck 4WD V6-262 4.3L (1988)
8)
Install the appropriate calibration PROM from the Application Table.
9)
Reconnect the battery.
10)
Run the engine and check the exhaust manifold to Y-pipe connections for leaks. Repair any leaks found. If a leak exists between the engine and the
oxygen sensor location, it may cause the exhaust odor and/or unstable idle quality conditions to continue.
Labor Operation Number: T7965
Labor Time: 1.4 Hours
