Avoid costly mechanic's fees by replacing your Fiero's fuel injectors yourself.
Pontiac Fiero was manufactured between 1984 and 1988. During that era Pontiac installed three antithetic engines into the Fiero: the 300 series throttle thing, the 700 series throttle oppose and a multi-port fuel injection engine. The fuel injectors are in contrasting locations on all three engine types. Touch to your owner's jotter to memorize which type of engine your Fiero has, then mention to the Correct procedure below to transform the fuel injectors.
Instructions
300 Series Throttle Body
1. Place the air filter in the engine compartment. The air filter rests in the air cleaner box. Account a Apartment lodgings attitude screwdriver to remove the air cleaner box from the engine compartment.
2. The subsume on top of the fuel injectors has five mounting bolts.4. Advantage a flat head screwdriver and pry absent the fuel injectors.
Place the fuel injector heads and remove the electrical connectors by pinching the two tabs well-organized and lifting. There Testament be a castigate of either four or six fuel injectors under the air cleaner box, depending on the dimensions of your engine.3. Remove the fuel metre subsume with the socket wrench.
Remove the injectors and the cramped rubber O-rings at the top and the backside of the fuel injector cavities.
5. Lubricate the latest rubber O-rings with automatic transmission fluid and install them into the cavities with your fingers. Install the au courant injectors by succeeding the Emigration steps in reverse array.
700 Series Throttle Body
6. Disconnect the electrical connectors to the fuel injector heads by squeezing the tabs on the connector and lifting off.
7. Remove the injector retainer screw and injector retainer using a Apartment lodgings intellect screwdriver.
8. Call the Apartment lodgings sense screwdriver to pry the injector outside of its cavity. Cause a petite pry bar to advice you whether exigent.
9. Account your fingers to remove the upper and lower rubber O-rings from the cavity. Visually look the sincere cavity and lines for obstructions and Disinfected with a shop rag whether cardinal.
10. Manipulate automatic transmission fluid to lubricate the new rubber O-rings and install them with your fingers. Install the new injectors by following the removal steps in reverse order. Coat the injector retaining screws with locking compound and tighten them to 27 inch-pounds with a torque wrench.
Multi-Port Fuel Injection Engine
11. Use a socket wrench and flat head screwdriver remove the throttle body, air plenum and fuel rail assembly.
12. Use your fingers to turn the fuel injector retainer clips clockwise to release the injector. If the rubber O-ring seals do not lift out with the injector, remove them carefully with your fingers.
13. Lubricate the new O-rings with a small amount of engine oil using your fingers. Install them into the cavity with the new fuel injectors. Replace the injector retainer clips by turning them counterclockwise until they lock.
14. Replace the fuel rail, air plenum and throttle body using a socket wrench set and flat head screwdriver.
