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Old 24-11-2021, 09:49 AM   #9
Peter B - CV8
FF.Com.Au Hardcore
 
Join Date: Sep 2005
Posts: 1,363
Default Re: LS Focus real world fuel economy

Quote:
Originally Posted by auc-05l View Post
Seems like everyone is getting significantly better economy..... any idea what can cause this? the car runs fine, has no codes. i have replaced the temp sensor and thermostat, pcv valve and hose, also the throttle body. haven't done the o2 sensors as the live data scan shows sensor 1 voltage fluctuating as normal

open to suggestions.
Pull the spark plugs & inspect/compare or replace if needed.
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