The ecm does with input from various sensors.
probably a bad injector, check for pulse to the unit before replacing, could be another component if there is no pulse to the unit.
The connector is "keyed" so that it only goes on the injector one way. Locate the key on the connector to be replaced then note how the wires go into the connector and put the wires on the replacement connector in the same orientation.
ecm and ing. module
Try changing or checking the oil pressure switch next to distributor if it goes bad the engine will not fire or start. Motor (ECM) has to see at least 3 psi of oil pressure to start. And will also shut down if less than 3 psi.
Pulse Two was created on 1989-05-01.
Pulse of the Planet was created on 1989-09-23.
Assuming that S10 has a 4.3 L engine with TBI (Throttle Body Injection), the fuel injectors (two of them) are located in the throttle body.
The 1989 Cavalier is Fuel Injected and does not have a carburetor. The 2.8 V6 is Multi Port FI. The 4 cylinder, I am not familiar with and it may be Throttle Body FI which would look like a carburetor, but if you look closely, has a single injector mounted in the intake plenum. Both engines are FI.
1989 chevy 5.7
The block itself will fit, and your best course of action will be to retain the electronic controls/engine computer and all electrical components from the 1997.
Very carefully.
The 1989 Chevy Caprice was 212.2 inches long (5,390 mm).