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Rough Super low idle and Heavy Vibrations

Tiny
NIKEBEN96
  • MEMBER
  • 2001 SATURN L200
  • 2.2L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 76,000 MILES
My car has a normal cold start, but when it is heated up, it idles super low and vibrates way too much, not just in drive, but when in neutral as well. I feel it might be the intake manifold is clogged somewhere, from what I have seen from similar Saturn problems on this site, anyone have any suggestions on how to fix a low idle problem on this Saturn L200? Thanks!
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Monday, October 6th, 2014 AT 7:26 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
With the car in drive and idling low turn on the Ac if it works?Does the idle smooth out?If so you need a updated engine control module calibration.I have seen that before on those cars when I worked at the saturn dealer.
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Monday, October 6th, 2014 AT 8:13 PM
Tiny
NIKEBEN96
  • MEMBER
  • 2 POSTS
How do I update the Calibration on the ecm?
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Monday, October 6th, 2014 AT 8:21 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
You would have to take it to a gm dealer and have them do it. Its not a diyer job.
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Monday, October 6th, 2014 AT 8:51 PM

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