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i have the same problem with mine did you find out what was wrong The first message, the single flash, is your oxygen sensor. Error Code 1. Error Code 16 is fuel injection related. They tell me it's usually Main Relay related, but if you can go 70mph we can rule that out--a broken Main Relay keeps the car from starting. I would like you to do two things. First, open the hood and unplug the electrical connector from each fuel injector, then plug it back in. If you've got an injector that's not quite making contact, this will fix that. Then run a bottle of Chevron Techron fuel system cleaner through it. It could be clogged. Then again, just changing your oxygen sensor could clear up both problems. Stranger Things have happened.

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โˆ™ 2008-06-06 17:44:17
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Q: 1990 Civic Check engine light comes on at high speeds--If shut the car off and restart it it is fine until go over 70 mph--checked the ecu get 2 messages one is a single flash other is 16 flashes?
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