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Home >> Honda >> 1986 >> Prelude Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> PGM-FI Electronic Control System >> Trouble Shooting >> Notes
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Trouble Shooting: Notes

NOTE: Observe PGM-FI or Check Engine warning light. If light is on and no codes are flashed by LED on ECU, this indicates that backup system is in operation. see LED DOES NOT FLASH under CODE 0, NO CODES in TESTING section of this article.
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