Before even thinking of changing any parts, remove, clean, and reset the grounds for the ECU and Fuel System. These are the two nuts on top of the intake manifold with black wires underneath. Clear the codes and see if they reset.

Did you pull any other codes? The system will store the last three set. Just repeat the process for the first code pull to get the rest.

Most likely there will also be 113 and 232 which do not set the light but are stored.

I think some year around yours the system fuse was changed from a blade type on the left fender well besdie the battery to inside the vehicle. Depending, you will want to clean that fuse as well. If you do ot get full juice, even a good ground will not allow the injctors to function properly.

Since the fuel system controls everthing electrically operated by providing power at all times then interupting the ground to pulse the injectors, or control any other device for engine speed control. A good ground is imperative to reliable operation.

System grounds consist of steel bolts with an alloy terminal on an aluminum structure. All expand and contract at different rates in response to temp changes and any moisture/air that gets in between will accelerate oxidation that acts as an insulator.

If after cleaning the grounds the code returns, check each injector with an ohm meter. It is possible that just puilling the connector and resetting it on each injector may correct a poor conductive connection.

Duane