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MIL and Immobilizer problems

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Old Aug 31, 2019
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MIL and Immobilizer problems

2005 Honda Civic VP
5 Spd Man. Trans
1.7 L.

CEL is constant but green security key flashes. Car will crank but seems to be in limp mode as I can’t get the car over 40 MPH. Any ideas ?
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Old Aug 31, 2019
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Re: MIL and Immobilizer problems

Is this a sudden thing or the green key has been flashing as long as you have owned the car?

MIL light on and won’t go over 40 guessing it’s bad crank/cam sensor, but please don’t just go buy parts.

Can you drive it to a autoparts store? They should be able to plug into the car and tell you exactly what reasons the ECU is lighting up the MIL.
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