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Is it possible for the ECU to have a single defect with the car continuing to operate? POSSIBLE? Yes. PROBABLE No. The actual defect rate for vehicle onboard computers is EXTREMELY RARE. If a mechanic is telling you this, run the other way. However, a sensor that sends the computer its data can be defective; or, defective only at times, working OK at other times. Get another evaluation and DO NOT SAY ANYTHING ABOUT THE FIRST DIAGNOSIS. Don't help them in any way. Let them analyze the problem without input from you. DON'T KEEP ANY PAPERWORK FROM OTHER EVALUATIONS IN YOUR GLOVE COMPARTMENT. THAT'S ONE OF THE PLACES THEY LOOK TO SEE IF YOU WENT TO ANOTHER SHOP. THEY KNOW A HIGH-COST REPAIR WILL SEND YOU TO THEM -- AND THEY KNOW YOU ARE FAR MORE LIKELY TO SPEND YOUR MONEY AT THE LAST PLACE YOU ARE AT, RATHER THAN TAKE YOUR CAR BACK TO THE FIRST PLACE.

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โˆ™ 2007-05-19 23:05:12
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Q: Can the ECU Engine Control Unit on 1987 Honda Prelude have only one defect and the car continue to operate?
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