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    thailand's Avatar
    thailand Posts: 3, Reputation: 1
    New Member
    		  
    #1

    May 18, 2010, 09:45 AM
    What is wrong when you have replaced the egr valve plus cleaned the line check engine
    I have a 1999 camry. The check engine light keep coming on. I have replaced the EGR valve and cleaned the EGR valve plus the mounting pipe leading to the EGR valve and the throttle body.I used throttle cleaner. I have done this a number of times and the light comes back on. Could it possibly have anything to do with over filling your car with gasoline?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    May 18, 2010, 10:03 AM

    Yes, you can do a lot of damage to the EVAP Control System by overfilling the gas tank. What exact code is being thrown?
    biff26's Avatar
    biff26 Posts: 28, Reputation: 4
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    #3

    May 20, 2010, 11:15 AM

    Check the EGR vacuum control solenoid (follow the vacuum line back from the EGR) It is located on the back side of the engine These have A high failure rate Hope this helps.
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
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    #4

    May 20, 2010, 03:58 PM

    Biff26 hit the nail. P0401 EGR insufficient flow detected. Very common on your car. Not easy to get at, but not too pricey either.
    Should replace the egr modulator also.
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