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.

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

1 Reply

Tiny
MHPAUTOS
  • EXPERT
  • 30,949 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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