Quote:
Originally Posted by auc-05l
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.
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Pull the spark plugs & inspect/compare or replace if needed.