Also, check oxygen sensors, catalytical converter, and EGR valve, and thermostat. If no code detected, have your engine tune up and observe the fuel efficiency again.
Check and change spark plug wire and coil
所有跟帖:
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仪表盘上什么都没显示
-卷毛小花猫-
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03/17/2009 postreply
20:01:17
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Not always
-biglow-
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03/17/2009 postreply
20:18:10
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Thanks a million! Any suggestion where
-卷毛小花猫-
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03/18/2009 postreply
07:13:49
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Those are very simple tasks for a good shop
-biglow-
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03/18/2009 postreply
07:43:50