98 sts no start when hot
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  • 1 Post By curtc
Cadillac Seville / Cadillac Eldorado Forum Discussion, 98 sts no start when hot in Past Cadillac Vehicle Discussion; After a 30 minute drive or so, I turn it off and will not start again until it cools down. ...
  1. #1
    Tmfusco@me.com is offline Cadillac Owners Member
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    No start 98 sts

    After a 30 minute drive or so, I turn it off and will not start again until it cools down. However I tried moving the shifter back and forth and that worked a few times. Any ideas?
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  3. #2
    curtc's Avatar
    curtc is offline Cadillac Owners Master
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    Re: No start 98 sts

    1st off, you're in the wrong forum, you need to go to the Seville forum, not the STS. Sounds to me that if fiddling with the shifter improves things you have an intermittent failure of the neutral safety switch that gets worse with heat. You'll have better luck in the Seville forum though, heck, a mod might even move this post over there for you eventually.
    nate6966 likes this.
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  4. #3
    Tmfusco@me.com is offline Cadillac Owners Member
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    Re: No start 98 sts

    Thanks for the info and the heads up. I'll go to Seville forum.

    Threads have been merged into Seville. Sub.
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  5. #4
    Tmfusco@me.com is offline Cadillac Owners Member
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    98 sts no start when hot

    After engine is hot from a drive it will not always restart. A few times I ran the shifter up and back and it starter. Also it will restart when it cools down. Any ideas? Thanks.
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  6. #5
    Harry Yarnell is online now Cadillac Owners Connoisseur
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    Re: 98 sts no start when hot

    Do you mean it won't crank, or won't start?
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  7. #6
    Tmfusco@me.com is offline Cadillac Owners Member
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    Re: 98 sts no start when hot

    Will not start
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  8. #7
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it.
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    Re: No start 98 sts

    So you turn the key to START and it rolls over and over for some period of time but will not catch, run, idle ?

    Or, you turn the key and nothing happens (as in: no crank)?
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  9. #8
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
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    Re: 98 sts no start when hot

    Classic leaky FPR symptom I would say, shifter thing was probably just a coincidence. Check for the presence of fuel near the vacuum fitting of the fuel pressure regulator. It should be dry.
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