Some Chevrolet Astro owners report experiencing difficulties with ignition control module replacement that leads to their vehicles not starting. These issues may stem from a failed ignition control module, which can cause a complete loss of ignition-related sparks, halting engine combustion. If the vehicle remains unresponsive after module replacement, it may indicate more complex problems, necessitating a thorough check that all sensors are reconnected correctly. Additionally, some owners find that cleaning the mounting plate, applying thermal paste, and ensuring the new module is securely fastened are critical steps for proper installation. Misfire issues may persist even with new components, prompting some to conduct fuel pressure tests for further diagnosis. Troubleshooting also involves verifying that the distributor turns during cranking and checking for power at the ignition coil's pink wire, as a lack of power may point to a blown ECM1 fuse. Prompt attention to these concerns is essential for effective resolution.
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