2001 JEEP WRANGLER ENGINE KNOCKS

  • Tiny
  • 2CarPros-Archives
  • 2001 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 75,000 MILES

2001 Jeep Wrangler mileage: 75,000. I read about the "knock sensor" that you have alluded to in answers to other questions. Does my model have one of these? I am experiencing extreme knocking when I use anything but premium gas! This has been going on for a long time now, but has really only hit home recently with the rise in gas prices. Would the knock sensor be the only thing that could explain this problem, because I have asked my mechanic before about it and they didn't mention this?

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Wednesday, December 8th, 2010 AT 10:54 PM

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  • Tiny
  • 2CarPros-Archives
  • MEMBER

Your car may not be equipped with a knock sensor. Check the EGR valve. If it is not functioning properly, it can cause engine pinging.

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Thursday, December 9th, 2010 AT 12:44 AM

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