rpm low in starting any time and gear down shifting

2007 CHEVROLET AVEO
155,000 MILES • 1.2L • 4 CYL • 2WD • MANUAL
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GEORGEJINU
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  • 4 POSTS
My car is starting any time the rpm is going too low or engine off and i give the accelerater raise five seconds and remove the leg from accelerater,the rpm going normaly up and again going too down after rpm coming normal.Then i drive the car some times gear down shifting the rpm is coming too low or engine automaticaly off.please give me an answer
Mar 30, 2014 at 8:58 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
try cleaning throttle plateon both sides and iac hole with choke cleaner
Mar 30, 2014 at 9:33 AM
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GEORGEJINU
  • MEMBER
  • 4 POSTS
this drive belt center groove damage and i think belt not rotate properly.
Mar 30, 2014 at 10:33 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
recommended belt an dtensioner replacement is 60,000 miles
Mar 30, 2014 at 11:15 AM