Were is oxygen sensors on a 86 fiero gt 2.8 engine?
The 1986 Pontiac Fiero GT with the 2.8L engine doesn't have an oxygen sensor in the traditional sense like later vehicles. These earlier fuel-injected systems used a different method of fuel control that didn't rely on an oxygen sensor for closed-loop feedback. Therefore, you won't find an oxygen sensor like you would on a later model car.