backfire prob!!

[virus-v6]

guyzz....i wonder y is my car backfiring when i change from 2nd to 3rd gear.i can hear there a slight ''pop'' sound during gear shift.is it due to my spark plugs or wat.and the day b4 that,when i try to boost with my 3rd gear in a range of 0.7 bar,i felt like my engine got stuck 2 times n when i shifted my gear then it was fine!!wat can sause tis prob

 

[DanzEterna]

when was the last time u changed yr spark plugs & cables?
wat did u do before the popping sound occured? wash engine? etc......

 

[AD_EG]

check plugs 1st bro...high possibility the cause is here

 

[virus-v6]

i seldom wash the engine bro DanzEterna....i will just use oil decreaser with a cloth to wipe off.The plugs i changed about 6 months ago.it was just all of sudden.is it maybe i'm using ron 95??last time was using v power but cannot tahan la bro.last time seldom use car.now days frequently using.lolz.anyway thanks bro AD_EG.will check the plugs as said.i think its becoz of the plugs.thanks guys.need more info's if u guys have to solve the prob.

 

[Lean]

Is there any possiblity that it's caused by Ignition Coil Cable?

 

[DanzEterna]

could be posibility as well..try using ron97 1st...c does it help anot?

 

[AD_EG]

bro what engine you using, evo 3?

 

[virus-v6]

bro what engine you using, evo 3?

yes bro AD_EG...i'm using a evo 3 engine

 

[DanzEterna]

how the problem now? still backfiring still occur after using ron97?