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Thread: exhaust Valve receding to head ! p0172 code

  1. #1
    Banned HondaSUV junior in training
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    Default exhaust Valve receding to head ! p0172 code

    Ok

    my 2000 lx 5spd has been a perfect car for about 3.5 yrs
    then earlier this year (january) it started stalling after cold starts !
    after 6 trips to the shop...and 2 different honda dealerships
    It has been discovered that I have a p0172 code ...meaning that the car is running too rich ! apparently honda recommends that the valve clearence does not need to be adjusted till 105,000 miles...and I am a by the book guy ...so I never had them looked at till 80,000 miles when the car started running rough...since then (12 k or so) the car has stalled in dangerous situations (ever try to pull on to 95 at rush hour in a crv that stalls ?)

    so My question is this ...does anybody else have this problem and if so what did you do ? (new head ?) I have alot of other info from other forums and the nhtsa's site regaurding this problem ...I hope honda does something positive here...

  2. #2
    Senior Member HondaSUV Elder 'Curly Q Links''s Avatar
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    Get your valves adjusted to the LOOSE side of the spec ASAP, and (minor point) make sure whether you should get the ignition switch recall performed.

    The 'stalling while warming up' is one of the best clues that your valves are WAY tight. Your dealer is supposed to know this.

    You need to document your 'adventures' with all these HONDA shops, and ask HONDA why the heck nobody told you that there's a BIG MISTAKE IN THE MANUAL, and you should have adjusted you valves a long time ago. Every 30,000 miles is the concensus around this forum.

    Are they all CLUED OUT ? ? ? ? I hope your doctor is smarter than your HONDA dealer(s) . . . . You'd be dead by now.

    Get your money back for all the NON-HELP YOUR DEALERS GAVE YOU. This might still end up costing about $1,000 to fix, if it's too late.
    .
    '97 CR-V. . . . . . '00 CR-V SE (leather) . . . '98 Odyssey V-Tec ! !
    --------------------
    First, read the Owner's Manual, then SEARCH, your Internet is STILL WAY faster than mine.
    --------------------

  3. #3
    Banned HondaSUV junior in training
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    thanks CQ
    I have a call into american honda and a appointment with one of the HONDA shops that missed this 3 months ago..
    I'll keep you posted

  4. #4
    Banned HondaSUV junior in training
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    oh yeah ...honda said that my vehicle did not need the switch recall performed...yet for some reason I think that may be an issue as well ..
    wonder what it would cost to have that done (a new ignition switch installed ?)

  5. #5
    Senior Member HondaSUV Elder 'Curly Q Links''s Avatar
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    A google.com search would a few good descriptions of the Honda Ignition Switch Recall.

    It would cause the car to have a complete ignition power failure, even while driving down the highway. Tach + speedo drop to zero, engine dies. No sputtering / stalling. It was spooky the first time it happened to me. Starry night, miles from anywhere on the highway.

    It was DANGEROUS the second time, turning left with oncoming traffic. :-)
    .
    '97 CR-V. . . . . . '00 CR-V SE (leather) . . . '98 Odyssey V-Tec ! !
    --------------------
    First, read the Owner's Manual, then SEARCH, your Internet is STILL WAY faster than mine.
    --------------------

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