2000 Renault Megane Erratic idle

Tiny
MIKE HALL 2
  • MEMBER
  • 2000 RENAULT MEGANE
  • 4 CYL
  • 2WD
  • MANUAL
  • 240,000 MILES
Engine starts fine, idle is a little high. After 10-15 mins idle speed becomes erratic, continuously changing from 700 rpm to 1800 rpm and dropping again repeating every couple of seconds - a bit like challenging the next door car!

The problem is intermittent - soemtimies happens, sometimes doesn't.

Engine perfromance is fine.

It has been doing this intermittently for a year or two the Renault people report that there is no fault code shown on their computer.

All filters, plugs, cam belt etc have been changed at recommended periods
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Monday, February 1st, 2010 AT 11:28 PM

1 Reply

Tiny
DAVE H
  • EXPERT
Start by checking for vacuum leaks on engine
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Sunday, February 7th, 2010 AT 4:53 AM

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