experiencing gradual power loss and worst mpg
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2008-2013 Cadillac CTS Performance Mods Discussion, experiencing gradual power loss and worst mpg in Cadillac CTS Second Generation Forum - 2008-2013; Beginning to notice a gradual loss in power and poorer MPG. We all know that a new timing chain is ...
  1. #1
    jovi440 is offline Cadillac Owners Fanatic
    Automobile(s): 08 CTS
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    Dec 2008
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    experiencing gradual power loss and worst mpg

    Beginning to notice a gradual loss in power and poorer MPG. We all know that a new timing chain is in my future,but no codes have be thrown yet. My car is an 08 with 22,000 miles. Sure wish it would pop a code before I take my little 2500 mile trip in november, would hate having to get a timing chain replacement while on road. Maybe I should drive the car more often than I do now and maybe a tad more aggressive, may do the trick.

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  3. #2
    ztollon's Avatar
    ztollon is online now Cadillac Owners Fanatic
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    Aug 2012
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    Try a fuel injection cleaning if that doesn't work then the timing chain. Its a lot cheaper and would benifit the vehical anyways

  4. #3
    ajazolino's Avatar
    ajazolino is offline Cadillac Owners Fanatic
    Automobile(s): 2009 CTS
    Join Date
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    Actually, check your oil. Low oil will make the car sluggish, one of my pistons actually froze up and used a lot of my oil and blew my engine at 39k miles

  5. #4
    arw1510 is online now Cadillac Owners Enthusiast
    Automobile(s): 2004 CTS 3.6, 2004 SRX 4.6 AWD, 2012 CTS 3.6 DI AWD
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    Re: experiencing gradual power loss and worst mpg

    Quote Originally Posted by jovi440 View Post
    Beginning to notice a gradual loss in power and poorer MPG. We all know that a new timing chain is in my future,but no codes have be thrown yet. My car is an 08 with 22,000 miles. Sure wish it would pop a code before I take my little 2500 mile trip in november, would hate having to get a timing chain replacement while on road. Maybe I should drive the car more often than I do now and maybe a tad more aggressive, may do the trick.

    Wow, such low miles and already considering timing chain replacement? I have a 2012 cts and I already have 15,000 miles on it. also have a 04 with 155000 miles on it and dont plan on touching the timing chain on either.

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