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Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, Bad Gas Cap? in Cadillac SRX Forums; Well, I went out this morning, and my order of operation was: 1) tap on sensor/tps area, try to start. ...
  1. #76
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    Well, I went out this morning, and my order of operation was:
    1) tap on sensor/tps area, try to start. runs like crap.
    2) put dielectric grease on contacts, starts and runs, but like crap.
    3) pull hose off and flip the TB flap. runs like a charm.

    so I think what happens is, over the course of 2ish weeks, the sensor gets 'out of calibration' and by flipping it you zero it out?

  2. #77
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    Well after doing a little 90ish mile trip each way for a funeral, it didn't take long for me to get lights and for it to start running rough, so I pulled over and did the whole 'flip the flipper' and it's running fine again.

    Were all these TBs built overseas or for the lowest bidder or something? I see quite a few people complaining about them.

  3. #78
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    So it's been a while since I've had any issues (and I still haven't since my last post) but it got me to wondering. Is it a heat thing? It's been cold here in michigan and I haven't had any issues, and I'm wondering if the TBs are really sensitive to heat. It's going to be warming up a bit here in MI for the next few days (40s/50s) so I guess I'll find out if that's an issue.

  4. #79
    sljasko is offline Cadillac Owners Member
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    Re: Bad Gas Cap?

    I'm having the gas cap on my 2006 SRX replaced today. I have had those same issues and my "check engine" light is on (again).

  5. #80
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    Just read thru this thread and see what I've done and see if that fixes anything. Try the 'throttle body flip' if you're able to and I'd be curious if that helps. and I hope you have or know someone with a code reader

    Although I probably should say those issues could be other things, and if you get your codes read let us know here what they are. I changed my gas cap out a long time ago but that wasn't the issue, but hey, new gas cap!

  6. #81
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    So..after all this and changing the TB and still getting the same issues, I went thru and tightened my intake bolts and haven't had an issue since. *sigh*.

    Sad part is the dealership not even trying anything.

  7. #82
    Whiplash_89's Avatar
    Whiplash_89 is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    That sucks, but at least you did fix the issue finally.

  8. #83
    Sheepish is offline Cadillac Owners Fanatic
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    Re: Bad Gas Cap?

    Well I also spoke too soon. the very next day after posting this (my car must be able to read the internet) it had the same issues. Unplugged the throttle body plug, plugged it back in and it was good to go. So I'll replace that pigtail here in a day or two.

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