answersLogoWhite

0


Best Answer

There are two common problems to cause this:

  1. Ignition, either the wires are hooked up wrong or the cap is bad
  2. The cam shaft has burnt out an exhaust lobe. This will cause this.

Those are the most common issues, also lean mixture and bent or burnt valve are possible.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is your 85 fiero GT backfiring through the intake?
Write your answer...
Submit
Still have questions?
magnify glass
imp