2001 Catera throttle body and O2 sensors - Page 3
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Cadillac Catera and Cimarron Forum Discussion, 2001 Catera throttle body and O2 sensors in Past Cadillac Vehicle Discussion; Okay, so took the car to dealership and they did their diagnostic on the P0140 / O2 sensor and they ...
  1. #31
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    Okay, so took the car to dealership and they did their diagnostic on the P0140 / O2 sensor and they said the new sensor is bad and they couldn't find any other problem. They are checking on the idle/ throttle issue now. I guess have to send in the new O2 sensor for a replacement.

  2. #32
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    Here's the update on my in laws car!

    The dealership checked the idle / throttle response and recommended to get it cleaned and probably do a fuel injector clean. I have already done these so my guess is it's a bad throttle body. Regarding the O2 sensor now they are saying it's the old O2 is bad, so confused with them.

    I'm going to check the sensor and make sure which to replace,

  3. #33
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Sounds Ike they're not really sure
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  4. #34
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    Yep, they are not sure or not interested in finding the exact problem. We paid $95 for the diagnostic and ended up no where. This afternoon they did some testing, swapped the O2 sensor side and said that the new one was bad because it gave the codes P0160 and P0161 for bank 2 sensor 2. When my father in law went to pick the car up they said that the old sensor was bad.

    Who knows what's going on.....anyways I removed the new sensor and installed the old one back and will test it out.

  5. #35
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    Got the new AC Delco / bosch throttle body and replaced it, car is much smoother and idling better.....P0160 is still showing up on the scanner after installing the old O2 back.

    I'm sending the new / possible defective O2 back for a replacement.


    Also, is the new throttle body made in China now instead of Germany?

    Thanks

  6. #36
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: 2001 Catera throttle body and O2 sensors

    country of origin should be on the box
    that's the only way i can tell
    and i don't have one here

    ...

    the code may take a couple ignition cycles to clear out (usually 3)

    if it doesn't go away soon then be worried
    but it sounds like there's some good progress
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
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  7. #37
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    It's kind of weird the box says AC Delco 9128412 / GM 9128412 and made in China. Also, on the throttle body it has a sticker saying Bosch part number and made in China and is not like the original machine pressed imprint on the throttle body.

    Anyways, the car is running better has a slight shake at cold start and not sure what that could be but runs fine after warming up. Anyways, need to replace the O2 sensor now and hopefully fix the O2 problem.

    Thanks.

  8. #38
    RippyPartsDept's Avatar
    RippyPartsDept is offline Hi, I'm Chris - Please Read My Signature
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    Re: 2001 Catera throttle body and O2 sensors

    well that pretty much settles it

    bosch wouldn't be the first manufacturer/supplier to switch to chinese production
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
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  9. #39
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    I did the relearn process for the throttle and maybe after few runs it might fix that initial / cold engine shake.

  10. #40
    retho78 is offline Cadillac Owners Enthusiast
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    Re: 2001 Catera throttle body and O2 sensors

    Well after getting the second new AC Delco O2 sensor and swapping it out, the code still comes back P0160.

    I think it might be a circuit problem now.

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