How much does it cost to replace an ecu in a 1991 Honda CRX?

The cost to replace the ECU in a 1991 Honda CRX can vary widely depending on whether you choose a new, rebuilt, or used unit. Typically, a replacement ECU can range from $150 to $500, not including labor costs. If you opt for professional installation, you may incur additional charges, bringing the total cost closer to $300 to $800. It's advisable to check with local mechanics or auto parts stores for specific pricing in your area.