2005 SRX no start
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Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, 2005 SRX no start in Cadillac SRX Forums; I recently purchased a 2005 SRX. The engine will turn over and hit once and sounds noisy, but after it ...
  1. #1
    Bro. Perry is offline Cadillac Owners Member
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    I recently purchased a 2005 SRX. The engine will turn over and hit once and sounds noisy, but after it tries to start once it only cranks over and over. Replaced a cam sensor that did not fix it. Pulled the intake, most of the bolts were loose. What could be causing this not to start?

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 2005 SRX no start

    An SRX is quite different from an XLR. Let's move this to the proper model/year forums.

  4. #3
    glake89's Avatar
    glake89 is online now Cadillac Owners Connoisseur
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    Re: 2005 SRX no start

    Need air, spark and fuel to run. Car now has set DTCs which will help in diagnosing what's wrong. Let us know what they are and we'll go from there.
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  5. #4
    Bro. Perry is offline Cadillac Owners Member
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    Re: 2005 SRX no start

    Pulled the intake and replaced gaskets and a new crank sensor. Still does not start. Po code 340,341 and 391 are set any ideas would be appreciated. Checked fuel pressure it is almost 50 pounds.

  6. #5
    Pinhauler is offline Cadillac Owners Fanatic
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    Re: 2005 SRX no start

    I know it sounds crazy but did you change the spark plugs ?

  7. #6
    Bro. Perry is offline Cadillac Owners Member
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    Re: 2005 SRX no start

    No I did not change the spark plugs, but I took all of them out and ran a compression test and found no compression on any of the cylinders. I bought this vehicle from the bank it was a repo. I was hoping to get lucky and it be a simple fix. What would cause a engine with 114,000 miles to go bad this soon?

  8. #7
    Pinhauler is offline Cadillac Owners Fanatic
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    Re: 2005 SRX no start

    So - I'm not sure if were talking v8 or v6 . If it's the v6 , they never checked the oil and drove it with no oil !

  9. #8
    Bro. Perry is offline Cadillac Owners Member
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    Re: 2005 SRX no start

    This is a 4.6 Northstar code a LH2

  10. #9
    calif phil is online now Cadillac Owners Fanatic
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    Re: 2005 SRX no start

    I would spray some starting fluid in the intake and try and start it. If it runs on the starting fluid then you know you have a fuel delivery problem.

  11. #10
    SFVetteman's Avatar
    SFVetteman is offline Cadillac Owners Enthusiast
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    Re: 2005 SRX no start

    Your DTC's are all camshaft position sensor codes. It seems unlikely to me that 3 cam sensors would go bad at once so, I would look for a bad timing chain tensioner or stretched timing chain.

    Bill

  12. #11
    Bro. Perry is offline Cadillac Owners Member
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    Re: 2005 SRX no start

    Would that effect both sides. I have never heard of a engine with no compression

  13. #12
    glake89's Avatar
    glake89 is online now Cadillac Owners Connoisseur
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    Re: 2005 SRX no start

    Have someone watch crank pulley while trying to start. Is it turning? If it is, you have toast for an engine.
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  14. #13
    Bro. Perry is offline Cadillac Owners Member
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    Re: 2005 SRX no start

    I don[t understand, why would watching the crank turn over make a difference/ Is there a post on how to replace and remove a northstar in our srx. I have removed the left valve cover and the chain is intact and it does not look as if it has jumped time. I guess i will take off the other valve cover and strip the front of the engine to see the chain assembly. This thing is hard to work on.

  15. #14
    glake89's Avatar
    glake89 is online now Cadillac Owners Connoisseur
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    Re: 2005 SRX no start

    You said you had NO compression. If the crank doesn't turn, you won't have any compression. Just because the starter runs doesn't necessarily mean the crank is turning.
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  16. #15
    JayTF1 is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Bro. Perry
    This thing is hard to work on.
    Amen Bro. Perry

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