1990 Civic LX 1.5 Auto, one blink code
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1990 Civic LX 1.5 Auto, one blink code
Howdy. I have a 90 Civic LX auto tranny, 1.5 motor. It keeps throwing the one blink engine code on the ECU. I've changed the EGR valve and sensor and the O2 sensor, pulled the + off the battery and it just starts back up again the next time we run it. Mileage is in the low 20's and when you test the flow to the EGR valve it looks like the engine channels aren't plugged. Engine light comes on after about 5 to 8 minutes of running. I'm stumped. Anyone have any other ideas? I'll try any crazy suggestion. 
Thanks!
Thanks! 
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Honda Civic Forum
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