1990 Toyota Corolla 390000 miles. Which type of gasoline should I use?
Is there a particular brand of gasoline that will help pass the smog test? Is there a particular grade of gasoline that will help pass the smog test? Answer:
Your Toyota Corolla requires 87 octane gas. We recommend using only the
grade of and octane of gasoline required by Toyota for your specific
vehicle. This will ensure your Toyota Corolla produce the correct engine
compression during combustion required for efficient fuel burning.
posted by SmogTips Support
Related questions and answers you might find useful: