What causes that drop and what needs to be done to fix it?

2002 NISSAN SENTRA
68,300 MILES
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ADAMEK777
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  • 3 POSTS
I have a 2002 Nissan Sentra GXE 1.8l, 68.300 miles. I noticed that the RPM in my car drops from 700 to 300/350 and it shakes a little while stopped at a light.
Dec 16, 2011 at 4:14 AM
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RIVERMIKERAT
  • CAR REPAIR CONTRIBUTOR
  • 6,110 POSTS
Check for vacuum leaks. Check fuel pressure and quality of spark.
Dec 16, 2011 at 4:22 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Also check the IACV-AAC valve and EGR valve
Dec 16, 2011 at 4:29 AM
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