Problem with my car after plug change

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Problem with my car after plug change

today i got my car's spark plugs changed and installed 4 tip bosche spark plugs bcoz my car was giving me very bad cng average, but after i got my spark plugs changed i got new problem my car's rpm now shoots upto 1500 rpm after few minutes drive and when i start a/c the rpms reached to 2000 rpm then i switched off a/c the rpms then reached to 2500 i then switched off my engine and after few minutes started it again the rpm came back to 1000, but after few minutes drive reached again to 1500 please help me what could be the problem.

Gari.pk User 3825 asked on 08 Jul 2010 13:18:54 pm

1 Answer

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Daani - on 08 Jul 2010 13:19:04 pm

firstly for cng i dont think its a good idea to use platinum..if you on the fourm..there will be a topic realted to cng n plugs...but for your problem right now...did u tune your car after the plug change !!??!?....it doesnt look like u did...so thats the possible cuz...n if u have a honda, u might want to gett the throttle body washed n tuned as well...