My engine running little rough and when driving sometimes different sounds coming from exhaust, went to the dealer but they said nothing wrong no any code. Can you please help. Thanks. Hi, thre is no loud backfire from exhaust, its like rattling noise and its only once in a whlie. First year it was running fine but next winter it started idling little rough and its not running that smooth as it used tobe.I have done 25000km service on it but nothing changed.I took it to the dealer two three times but they said there is no any code and its running perfect but its not. Sometimes its running fine but most of the time its running rough. Now when I start it engine is backfiring and its happening once in a while. This backfiring sound is coming from inside the engine not from the tailpipe. Can you please figure out what could be wrong.I am worried may be something is wrong inside the engine like valve or something else. Thanks
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Tuesday, May 19th, 2009 AT 8:09 PM