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    cyril123's Avatar
    cyril123 Posts: 12, Reputation: 1
    New Member
    		  
    #1

    Aug 20, 2011, 12:00 PM
    Very rough idling
    Hi I have a 1994 nissan sentra that gives avery rough idling. When driving it goes away but once in idle the whole car shakes. I did a tune-up not long ago and was thinking it might be the engine mount but the shaking seems to come from the exhaustwhich wwas put on after I got the car. The engine idles at normal rpm. Can you tell how to fix this and what maybe causing it?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Aug 21, 2011, 07:22 AM
    How long ago was the "tune up" and what was actually done?
    Did you do it to fix this problem? Did it help?

    Check for the ultimate cause of the rough idle, whether it's caused by ignition or fuel, or a vacuum leak.
    cyril123's Avatar
    cyril123 Posts: 12, Reputation: 1
    New Member
    		  
    #3

    Aug 28, 2011, 12:10 PM
    I had changed all ignition components, spark plugs, ignition coils, cable. I also changed air intake to a spectre performance intake. But I am thinking maybe the engine mount bushings are worn after seeing a lot of shaking coming from it.
    chaosmaster1's Avatar
    chaosmaster1 Posts: 294, Reputation: 12
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    #4

    Aug 29, 2011, 05:14 AM
    Check the mass airflow sensor ad clean the idle air control valve as well as the entire throttle body
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #5

    Aug 29, 2011, 06:50 PM
    Quote Originally Posted by cyril123 View Post
    i had changed all ignition components, spark plugs, ignition coils, cable. i also changed air intake to a spectre performance intake. but i am thinking maybe the engine mount bushings are worn after seeing alot of shaking coming from it.
    Did all this start before or after these modifications?
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