WHEN ENGINE IS WARM THE TACHOMETER IS JUMPING ALL AROUND

  • Tiny
  • muldoon
  • 1995 Jeep Laredo
  • 180 miles

When driving Starts fine not until after 5 minutes when needle on tachometer jumps up and down when I take my foot off accelerator the tachometer needle jumps up and down and engine sounds funny.

Monday, October 24th, 2011 AT 12:17 PM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 30,495 posts

Often this can be a bad earth problem, check that all engine earths and battery terminals are clean and tight, start here.

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Friday, October 28th, 2011 AT 10:10 PM

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