90-91 Engine Control Module ECM Except ZR1 Repair Service
For ZR1 use P#304769. As the control center of the fuel injection system, the electronic control module constantly monitors information from various sensors, including the opening times (pulse width) of the injectors. It can diagnose operational problems, alert the driver through the "check
Description
For ZR1 use P#304769.
As the control center of the fuel injection system, the electronic control module constantly monitors information from various sensors, including the opening times (pulse width) of the injectors. It can diagnose operational problems, alert the driver through the "check engine" light, and store a code or codes which identify the problem areas to assist in making repairs. This unit also houses the PROM (Programmable Read Only Memory) or MEM-CAL (computer chip) which contains specific calibrations for a given engine.
When sending in exchange, the ECM must not have any visible evidence of damage or fluid intrusion. Keep the chip out of your original ECM.
We will need your V.I.N. number when ordering this module: the price includes having the module "flashed" with current updates and specs for your car. This is drop shipped to you from
As the control center of the fuel injection system, the electronic control module constantly monitors information from various sensors, including the opening times (pulse width) of the injectors. It can diagnose operational problems, alert the driver through the "check engine" light, and store a code or codes which identify the problem areas to assist in making repairs. This unit also houses the PROM (Programmable Read Only Memory) or MEM-CAL (computer chip) which contains specific calibrations for a given engine.
When sending in exchange, the ECM must not have any visible evidence of damage or fluid intrusion. Keep the chip out of your original ECM.
We will need your V.I.N. number when ordering this module: the price includes having the module "flashed" with current updates and specs for your car. This is drop shipped to you from
Specifications
| GM Item No. | 1227727 |
| Base Unit of Measure | EA |
| Net Weight | 2.9 |
| Car Years 1 | 1990 1991 |
| Part # | 304491 |
| Search Description | ENGINE CONTROL MODULES SENDERS SENSORS SWITCHES |
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