更换spark plug , 既可降低油耗，又可使发动机不再抖动

 

https://www.autozone.com/external-engine/spark-plug/p/autolite-platinum-spark-plug-ap5224/509391_0_0?searchText=spark%20plug , $4.99

-清洁spark plug的方法

 oxygen sensor的清洁方法

-carbon canister solenoid valve的清洁方法

-throttle valve的清洁方法

-How to solve the problem of increased fuel consumption?

-intake air temprature sensor的清洁方法.另外买个新的 engine air filter也能降低油耗- https://www.autozone.com/filters-and-pcv/air-filter/p/stp-rectangular-engine-air-filter-sa10085/445071_0_0?searchText=engine+air+filter ,21.50usd

-7 Reasons for high fuel consumption. reason 1:  买瓶fuel injector cleaner来清洁fuel injector- https://www.autozone.com/fuel-and-engine-cleaners-additives/fuel-injector-cleaner/p/shoppro-super-concentrated-fuel-injector-cleaner-12oz/1176621_0_0?rrec=true, 价格：5.3usd, 作用：SHOP PRO Fuel Injector Cleaner removes carbon deposit build up on fuel injectors, intake valves, and ports. Maximizes engine performance and helps restore lost power by cleaning dirty, clogged fuel injectors. Improves acceleration, increases fuel economy。

2.清洁 fuel filter(买新的要50美元）3.需要添加/更换机油吗 4.需要 添加/更换coolant吗 5.需要添加/更换brake fluid以及transmission fluid以及steering fluid吗？

-crankshaft position sensor的清洁。 

-crankshaft position sensor的清洁2。上面有很多铁屑，用纸巾搽掉它。cleaning agent can be bought at auto parts store.

--7:52秒处，解决 vacuum hoses的漏气问题-这个最后去解决-漏气问题也会影响燃油效率。

更换thermostat,也能解决引擎的积碳问题，从而延长引擎的寿命- https://www.autozone.com/cooling-heating-and-climate-control/thermostat/p/duralast-engine-coolant-thermostat-66176/335457_0_0?searchText=thermostat

-air flow meter的清洗也能降低油耗。

-Doing This Will Make Your Engine Run Like NEW Again

-How to Change Every Fluid in your Car? 更换 brake fluid,transmission fluid.

-10 Mistakes Car Owners Make That Will Destroy Your Car.

检查皮带和 hoses有无破损。如果破损，会造成发动机过热。