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Hi have rav 4 denial the engine light come on and of when it is on it looses power could you

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Old 01 Oct 2010, 09:25 pm   #1 (permalink)
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Default Hi have rav 4 denial the engine light come on and of when it is on it looses power could you
give any reason w?
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Old 01 Oct 2010, 09:39 pm   #2 (permalink)
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It could be anything. When the amber coloured check engine light comes, it records in the system what the problem has to do with. A mechanic with an OBDC reader can read the code. The light comes on with things related to the mostly the computer system. That includes sensors throughout engine that test oxygen levels in the fuel mixture. etc. If a sensor is going bad it could send funny signals that the computer could misunderstand and then change the fuel mixture to something incorrect and make the engine lose power. Then it could send a good signal and the computer might correct what it did and start running better again. Hope that helps.
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Old 01 Oct 2010, 09:54 pm   #3 (permalink)
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When the light comes on the engine management system reverts to a "get you home" programme to do just that. The car should be driven as little as possible in this state.















You need a garage to read the trouble code(s) that will now be stored in the system to determine which of many sensors is giving a problem.
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