Engine - Spark Knock

Number 84-6(Gasoline)-83 Date 3/85


Subject: SPARK KNOCK COMMENTS

1984 FIERO WITH 2.5L ENGINE AND MANUAL TRANSAXLE

A customer comment of spark knock on the 2.5L engine may be received. If normal diagnosis in Section 6E2 of the Service Manual does not repair this condition, a new PROM (P/N 1227134) may be installed. This applies only to Fiero models with manual transaxle.