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Cadillac Seville / Cadillac Eldorado Forum Discussion, 4.6 code P032 in Past Cadillac Vehicle Discussion; I can't get it to start that way either, thats why i went ahead and checked the fuel pressure too....
  1. #16
    semperfimama is offline Cadillac Owners Member
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    Re: 4.6 code P032

    I can't get it to start that way either, thats why i went ahead and checked the fuel pressure too.

  2. #17
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    Re: 4.6 code P032

    Quote Originally Posted by semperfimama View Post
    The proceedure for setting the minimum idle screw on the TB says to move the thing completly out of the ways and unplug it so that it has no effect on engine RPM. Then your supposed to an idle of about 450rpm no?
    Yeah, now that you mention it I believe that is correct. I was thinking IAC valve.

    Have you checked to be sure you have ignition?

  3. #18
    semperfimama is offline Cadillac Owners Member
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    Re: 4.6 code P032

    No, thats what i was thinking though. Got air and fuel. Whats the best way to do it ? Check resistance across each coil pack?

  4. #19
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    Re: 4.6 code P032

    I'd get an old spark plug. Pull one wire and plug the old plug into it and ground the base somewhere (don't hold onto it). have someone crank the engine and watch for a spark to jump the electrodes. If you don't have an old plug, pull one of yours and use it.

  5. #20
    semperfimama is offline Cadillac Owners Member
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    Question Re: 4.6 code P032

    Well ive got spark to all plugs. Im running out of ideas. It turns over starts for a moment but then immediatly dies. If it would run at all id probably still get a p032. Can't get it to start with either MAP sensor installed though. I've got the ISC unplugged and completly removed from the vehicle at the moment.

  6. #21
    malcolm1888 is offline Cadillac Owners Member
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    Re: 4.6 code P032

    bulletin No.:47-60-07

    date:december,1994

    subject:

    Clicking noise under dash or hood(clean throttle body bore and blade)

    condition

    during a key on or key off the isc motor may ratchet. the condition may be identified as a clicking noise under dash or hood. the duration of the ratcheting may be up to 20 seconds. the racheting condition may occure more frequently when starting the engine cold or at higher altitudes.

    cause

    the isc motor ratcheting is caused when the motor is commanded to extend beyond its mechanical limits. when the tp sensor learn is correct (at minimum air, the throttle lever rests on the minimum air screw) and the isc maximum extend position is properly adjusted, the motor will not be commanded to move beyond the mechanical limit.

    correction

    The throttle body bore and blade should be cleaned and relearned using the folowing prosedure

    IMPORTANT

    if it is suspected that the isc maximum extend position had been adjusted without cleaning the bore, it should be checked and readjusted if required. Cleaning the throttle bore should be preformed before preforming the idle speed controle system checking procedure

    Throttle body cleaning procedure

    remove or disconnect air intake duct from throttle body

    inspect throttle body bore and throttle valve plate using a clean shop towle with GM top engine cleaner, P/N 1052626 or AC-DELCO cerburetor tune up conditioner, P/N X66-P, or equivalent product.

    Notice:do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

    For G car

    intal or connect

    1.air intake duct at throttle body.

    2. run tach 1 p sensor and idle learn procedure.

    For E,K,and or K special

    install or connect

    1.air intake duct at throttle body

    2.enter diagnostics; select pcm override ps13.

    3.press the "COOLER" button

    4.Key "off" for 30 seconds (do not exit diagnostics)

    5. preform tp sensor/idle learn procedure

  7. #22
    malcolm1888 is offline Cadillac Owners Member
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    Re: 4.6 code P032

    source alldata

  8. #23
    semperfimama is offline Cadillac Owners Member
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    Re: 4.6 code P032

    Ok, so its looking like its the CKP (Crankshaft Position Sensor). I'm having a hard time finding it to verify. Is it up near the oil filter?

    Reasons I suspect CKP

    It will start, but only for a few seconds
    No codes
    The front bank of plugs are covered in gas
    Got spark to all cylinders
    Got steady 40psi at the shraeder valve (even when turning over the engine)
    Before it stopped running all toghether I correctly set the minimum idle set screw and it hasn't changed since then (loctite)
    If it was the camshaft position sensor it should throw a code, and according to the chilton's manual its capable of running in "limp" mode without it so long as the CKP is functioning.
    Cadillac mechanic told me that even a good ISC motor would go crazy in an attempt to correct for this kind of condition.

  9. #24
    semperfimama is offline Cadillac Owners Member
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    Re: 4.6 code P032

    Oh also need to know if I have to drain the oil before pulling the Crankshaft Position Sensor or not.

  10. #25
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    Re: 4.6 code P032

    CKP sensors are above the oil filter adapter. No need to drain the oil, but you do need to remove the adapter. Sub has posted the diagram many times.

  11. #26
    semperfimama is offline Cadillac Owners Member
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    Question Re: 4.6 code P032

    Ok I found a diagram of the locations of the sensors. What is the oil filter adapter? The thing the oil filter screws into? Don't want a whole bunch of oil coming out unexpectedly.

  12. #27
    Ranger's Avatar
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    Re: 4.6 code P032

    Quote Originally Posted by semperfimama View Post
    Ok I found a diagram of the locations of the sensors. What is the oil filter adapter? The thing the oil filter screws into? Don't want a whole bunch of oil coming out unexpectedly.
    Yes. You might get some residual oil dripping, but it won't drain the crankcase. Pull the filter first as it will be full of oil.

  13. #28
    semperfimama is offline Cadillac Owners Member
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    Question Re: 4.6 code P032

    OK, got the sensors and the oil filter adapter out. The oil filter adapter is HEAVILY encrusted with oil. If I remove the sensor from it, is there anything else inside of it that would be damaged from dunking it in parts cleaner?

    Also i'm still lookingfor the test proceedure for determining if one or both of the crankshaft position sensors are bad now that I have them out.

  14. #29
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    Re: 4.6 code P032

    If I remove the sensor from it, is there anything else inside of it that would be damaged from dunking it in parts cleaner?
    I don't think so.

    Also i'm still lookingfor the test proceedure for determining if one or both of the crankshaft position sensors are bad now that I have them out.
    If you replace one, replace them both.

  15. #30
    semperfimama is offline Cadillac Owners Member
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    Re: 4.6 code P032

    Is there a way to verify its bad? I know better than to only replace one.

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