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aharq · 07-04-2009, 08:23 AM

several months ago the catylytic converter was replaced and major tuneup.
mpg is worse than before the repair. before mpg 28, after mpg 24.
i need advice. car is running smooth.

07-04-2009, 08:23 AM	#1 (permalink)
aharq Registered User Join Date: Jan 2008 Location: usa Posts: 10 OS: xp pro sp2	2000 chevy cavalier several months ago the catylytic converter was replaced and major tuneup. mpg is worse than before the repair. before mpg 28, after mpg 24. i need advice. car is running smooth.