Engine - Part Throttle Spark Knock

Number 84-6(Gasoline)-76 Date 1/85


Subject: PART THROTTLE SPARK KNOCK ON MANUAL TRANSMISSION EQUIPPED 1984 FIERO MODELS


A part throttle spark knock on some 1984 Fiero's equipped with manual transmissions may be encountered.

If the condition cannot be corrected using normal service procedures, a new service PROM #1227134 may be used.

This new PROM is a service only PROM and should be used only when this condition is encountered.