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  1. 11-16-2008, 05:32 PM #1
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    shane93nc
    shane93nc is offline HemiTime
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    Engine codes help

    My check engine light came on and I pulled 2 codes.
    1521= transmission egaged at high throttle angle.
    0406=exhaust gas recirculation sensor A.
    The car is the Magnum RT.
    Does anyone have any idea what these mean and what I am looking at as far as getting it fixed.
    Thanks very much.
    Last edited by shane93nc; 11-16-2008 at 06:15 PM. Reason: Forgot the hemi
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  2. 11-16-2008, 05:51 PM #2
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    fnkychkn
    fnkychkn is offline rain dance maggie
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    it would sure make things easier if we knew what you're driving.
    Izzy pics money talks. unfortunately, mine usually says... "good bye!"
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  3. 11-16-2008, 06:01 PM #3
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    1521= transmission egaged at high throttle angle.
    sounds like someone tried to do a neutral dump.
    as for P0406, there are several things, either a bad EGR valve, or a flash update. those are the two most common causes, but like pete said, it would be nice to know what you're driving. i ASSUMED since under your screen name it says hemitime, that you have a hemi.
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  4. 11-16-2008, 08:01 PM #4
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    Quote Originally Posted by shane93nc View Post
    My check engine light came on and I pulled 2 codes.
    1521= transmission egaged at high throttle angle.
    0406=exhaust gas recirculation sensor A.
    The car is the Magnum RT.
    Does anyone have any idea what these mean and what I am looking at as far as getting it fixed.
    Thanks very much.
    It says he has a Magnum RT ... so 5.7L and NAG1 ...

    EGR valves are cheap, replace it or pull it and check it for clogging ...
    All my posts are made from 100% recycled electrons!
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  5. 11-16-2008, 08:10 PM #5
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    a year would also be nice . not trying to be a pain but sometimes there may be related cases in online database that can more easily be found with a specific YME (year, model, engine).

    without a specific YME, i can only give you a generic answer, which is what you have gotten so far. please update your vehicle profile in your User CP. thank you.
    Izzy pics money talks. unfortunately, mine usually says... "good bye!"
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  6. 11-16-2008, 09:14 PM #6
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    Good point Pete, forgot to add that ...

    year and maybe even how many miles on it, maintenance history, never can have too many details in a post when asking for tech help.
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  7. 11-16-2008, 09:16 PM #7
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    Quote Originally Posted by cadzilla74 View Post
    Good point Pete, forgot to add that ...

    year and maybe even how many miles on it, maintenance history, never can have too many details in a post when asking for tech help.
    i can't help but notice you haven't updated your vehicle profile yet either, cadz.
    Izzy pics money talks. unfortunately, mine usually says... "good bye!"
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  8. 11-16-2008, 09:32 PM #8
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    Sorry guys...........its an 05 Magnum RT with 98,000 miles. Just routine maintence such as oil changes,brakes.I did have the tranny serviced back at 56,000.
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  9. 11-16-2008, 09:40 PM #9
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    P1521–INCORRECT ENGINE OIL TYPE
    most likely to be corrected by TSB 18-018-06




    P0406-EGR POSITION SENSOR CIRCUIT HIGH
    • When Monitored: With the ignition on. Battery voltage greater than 10 volts.
    • Set Condition: EGR position sensor signal is greater than 4.89. One trip Fault.
    Possible Causes
    (K34) EGR POSITION SENSOR SIGNAL CIRCUIT SHORTED TO (F856) 5-VOLT SUPPLY CIRCUIT
    (K34) EGR POSITION SENSOR SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
    (K34) EGR POSITION SENSOR SIGNAL CIRCUIT OPEN
    (K900) SENSOR GROUND CIRCUIT OPEN
    EGR SOLENOID ASSEMBLY <<< most likely cause
    PCM
    Izzy pics money talks. unfortunately, mine usually says... "good bye!"
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  10. 11-16-2008, 09:46 PM #10
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    heh, wow. where did trans engaged at high throttle come from? was that a google search?
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  11. 11-16-2008, 10:48 PM #11
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    Quote Originally Posted by fnkychkn View Post
    i can't help but notice you haven't updated your vehicle profile yet either, cadz.
    Wow, where the heck did it go, it used to be there ... LOL ... I'm on it.
    All my posts are made from 100% recycled electrons!
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