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2004 Renault Laguna pulsing when cold

Tiny
ANDREWHAYWARD
  • MEMBER
  • 2004 RENAULT LAGUNA
  • 1.9L
  • 4 CYL
  • 2WD
  • MANUAL
  • 130,000 MILES
My 2004 laguna 1.9Dci is pulsing while cold it over revs and returns to idle at approx. 3 second intervals, once warm the pulsing stops. Any ideas?
Wednesday, January 7th, 2015 AT 4:59 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Check for vacuum leaks and check the idle air control valve on the throttle body.
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Wednesday, January 7th, 2015 AT 5:27 AM
Tiny
ANDREWHAYWARD
  • MEMBER
  • 2 POSTS
Thanks for your help, I will check it out.
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Wednesday, January 7th, 2015 AT 7:51 AM

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