2004 Renault Laguna pulsing when cold

2004 RENAULT LAGUNA
130,000 MILES • 1.9L • 4 CYL • 2WD • MANUAL
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ANDREWHAYWARD
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  • 2 POSTS
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?
Jan 7, 2015 at 4:59 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Check for vacuum leaks and check the idle air control valve on the throttle body.
Jan 7, 2015 at 5:27 AM
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ANDREWHAYWARD
  • MEMBER
  • 2 POSTS
Thanks for your help, I will check it out.
Jan 7, 2015 at 7:51 AM