Irregular revving

2002 CHRYSLER NEON
161,556 MILES • 1.6L • 4 CYL • FWD • MANUAL
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ADRIANHE
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  • 6 POSTS
Good day, when I start my car the revs goes to 2000 rpm's and slowly comes down. When I drive and stop at a traffic light it idles at 2000 rpm's. When I engage in a gear and release again it returns to just under 1000 rpm's. Also when I drive 40 mph and remove my foot from the acceleration is feels like is jurks a bit. Please help. I have replaced the throttle body including the TPS sensor as well as the MAP sensor. Regards
Aug 20, 2016 at 6:47 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
scan for codes and check for a vacuum leak like a bad hose/ gasket etc.
Aug 20, 2016 at 8:07 AM