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Possible misfire or just needs good tune up?

Tiny
STONEZB
  • MEMBER
  • 1993 NISSAN SENTRA
  • 149,000 MILES
Hello,
I am looking at a 1993 Nissan Sentra SE 1.6L with 149K miles.
I test drove her yesterday but she was idling real rough. Feels like its missing on a cylinder. Weird part is after 2k rpms it smooths out and stays smooth all the way up. I dont want to purchase this if its going to be a big issue. Vaccum leak? Good tune up? No CEL by the way.
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Tuesday, June 5th, 2012 AT 2:26 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Most probably the idling speed is too low and that is usually due to a dirty idle control air passages. Cleaning the throttle body and IAC should solve the problem.
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Tuesday, June 5th, 2012 AT 2:29 PM
Tiny
STONEZB
  • MEMBER
  • 2 POSTS
Thanks for the quick reply. Donations added
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Tuesday, June 5th, 2012 AT 2:36 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You're welcome and thank you for the donation.

Thank you for using 2carpros and have a nice day.
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Tuesday, June 5th, 2012 AT 3:06 PM

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