How often do I clean the throttle body?
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Northstar Engines and System Technical Discussion Discussion, How often do I clean the throttle body? in Cadillac Engine Technical Discussion; I had the occasional stalling problem at stops and I got a mechanic to clean it, he said it was ...
  1. #1
    weister42 is offline Cadillac Owners Enthusiast
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    How often do I clean the throttle body?

    I had the occasional stalling problem at stops and I got a mechanic to clean it, he said it was pretty dirty. I didn't have the sudden stall while at a stop until today, which was about a good two oil changes since it was cleaned. Do I have to clean it again? The engine started right up when it stalled while slowly coasting to a stop.

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    CadillacSTS42005's Avatar
    CadillacSTS42005 is offline Banned
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    Re: How often do I clean the throttle body?

    im not sure when but i KNOW it shouldnt need done that soon!

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: How often do I clean the throttle body?

    Quote Originally Posted by weister42
    I had the occasional stalling problem at stops and I got a mechanic to clean it, he said it was pretty dirty. I didn't have the sudden stall while at a stop until today, which was about a good two oil changes since it was cleaned. Do I have to clean it again? The engine started right up when it stalled while slowly coasting to a stop.
    No. Not if it was scrubbed clean and not just sprayed and prayed. Once a year is probably too often, though I do mine every spring. I just did mine yesterday @ 27K. I'm sure it has never been touched before and it was just lightly carbon coated. No real build up.

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: How often do I clean the throttle body?

    Your symptoms sound suspiciously like the ol' CPS (crankshaft position sensor(s)) bugaboo.

  6. #5
    SL1CK's Avatar
    SL1CK is offline Cadillac Owners Enthusiast
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    Re: How often do I clean the throttle body?

    You paid the mechanic to clean your TB?

  7. #6
    weister42 is offline Cadillac Owners Enthusiast
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    Re: How often do I clean the throttle body?

    Quote Originally Posted by SL1CK
    You paid the mechanic to clean your TB?
    Ya because I didn't know any better back then 30 bucks for cleaning EGR and TB wasn't bad I guess. I'm going to check my TB tomorrow and see if it's dirty, if it's not then uh, can I replace the crank position sensor myself?

  8. #7
    SL1CK's Avatar
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    Re: How often do I clean the throttle body?

    You're right though, 30 bucks is not bad for EGR and TB cleaning.

    Check this out next time:

    http://www.cadillacforums.com/forums...ttle-body.html

  9. #8
    CadillacSTS42005's Avatar
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    Re: How often do I clean the throttle body?

    pending on how "good" they cleaned it maybe it does have more build up. usually they just use some spray run it through and they are done. to do the job right ya gotta remove the intake and scrub the thing!

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