Chevy Impala SS Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
9,682 Posts
Car should run just fine on 87 octane, unless the PCM has been tuned for premium. Is the car all stock? Mileage? Post your car make model, recent maintenance items replaced, and symptoms in the maintenance section and you'll get some responses as to what it could be.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top