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    mcd11's Avatar
    mcd11 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jul 29, 2012, 09:27 PM
    Honda 03 pilot, pulsative idle, egr valve or throttle body? Check engine and vtm-4
    Appreciate in advance the advice

    Honda pilot 03
    Pulsatile idle from 1000 to 1700, then once warm stablized at 1500 when vtm-4 light came on.

    So check engine light and vtm-4 light on

    Reviewed web--seems like egr valve is misbehaving

    Plugged in my code reader (which I understand will not read honda vtm-4 codes) and it threw out p 0505 (which I believe is throttle body. Took air intake off and sprayed it out (throttle body) but made no difference, so think I will go after the egr valve (about $80 for after market part).

    So my question(s): does this seem like a good line of thinking? Should I try to clean or repair valve or just replace?

    Thanks!
    Matt
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jul 30, 2012, 04:59 AM
    I would replace the EGR Valve and start using full synthetic engine oil (e.g. Mobil 1 or Pennzoil Platinum), which will help the EGR Valve and the rest of the emissions control system stay cleaner.
    mcd11's Avatar
    mcd11 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jul 30, 2012, 09:29 PM
    Thanks much. Will get one on the way.
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