2005 CADILLAC CTS RE: ENGINE PERFORMANCE

  • Tiny
  • jamonit
  • 2005 Cadillac CTS

Shakes or Wobbles problem
2005 Cadillac CTS 6 cyl Two Wheel Drive Automatic 36000 miles

My car stalls when I am driving between 40-60mph. Something in the engine is rattling between 20-30mph. The engine light flashed several times while driving on the highway at about 60mph. What is this? I am taking it to the dealer on Monday, 1/26/09, but do not want to be ripped off? I tried fuel injector cleaner with some improvement. Please advice.

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Friday, January 23rd, 2009 AT 8:10 PM

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  • Tiny
  • brian 1
  • Expert
  • 1,071 posts

Have it scanned for codes, you can go to autozone and have it scanned for free and post back with the codes, also I would check with the dealer I think cadillac warranty is 5/40,000. This might still be under warranty. Post back with any other questions.

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Friday, January 23rd, 2009 AT 8:17 PM
  • Tiny
  • factoryjack
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  • 4,263 posts

You might check your oil level. Low oil causes some problems with the Variable Valve timing. Have not seen a stall from it, but the engine noise is a strong possibility. The check engine light flashes to warn you of a catalyst damaging misfire, which also can be caused by a valve timing issue. I have seen vehicles up to 3.5 quarts low on oil that is just due to consumption. Cadillac warranty is 4yr/50k, it will depend on your vehicles in-service date.

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Thursday, January 29th, 2009 AT 11:16 PM
  • Tiny
  • jamonit
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I took the 2005 Cadillac CTS to the dealer.
Report from Cadillac Dealer Repair- Under Warranty-
Cause: Vehicle was in need of oil change, oil level very low drying outlvetrain causing a misfire
code- 36462

bad cell in battery- code 36462 N0110

gas cap not sealing properly- code 36462 J9994

I was charged $200 for a power oil flush and change with high performance oil.

The service advisor told me not to rely on the oil indicator life. I was told when I bought the car to wait until the oil indicator life reaches less than 20%, which was usually around 8000 miles. Any advice.

Is my car ruined from this?

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Saturday, March 7th, 2009 AT 1:44 PM
  • Tiny
  • factoryjack
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If there is no more noise, and running fine, I think it is safe to say your fine. I think the $200 oil change was unnecessary, you were simply just low on oil. Oil change intervals have become a gray area, some still recommend the 3mo/3k mile change. Your CTS calls for Mobil 1 synthetic that can go 10k between oil changes, and the oil life monitor does the job very well however, the oil level still needs checked. Normal oil consumption can be 1 to 1.5 quarts in 1000 miles depending on driving habits.

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Sunday, March 8th, 2009 AT 11:35 AM

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