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- 主题发起人 leo80
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check main relay first
if you car is honda, please check your main relay first. My car has the same problem like yours. After I fix the dry joint on main relay, everything is ok. if you want more informatrion, you can google main relay from web, or you can describe more detail about your car and phenomenon . then I can give you more advice
if you car is honda, please check your main relay first. My car has the same problem like yours. After I fix the dry joint on main relay, everything is ok. if you want more informatrion, you can google main relay from web, or you can describe more detail about your car and phenomenon . then I can give you more advice
http://www.markl.f9.co.uk/howto/electrical/main-relay/main-relay.htm
Please read carefully. there are two possibility. I hope this can help you. Anyway, read it first.
Please read carefully. there are two possibility. I hope this can help you. Anyway, read it first.
register0001
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本田发动机的通病，只要用少许汽油往发动机上一浇就解决问题了，当然要防备起火。
register0001
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类似于高烧病人要搽酒精降温。
FakeWrench
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I agree with CASE. The main relay is Honda's typical problem for late 80's and early 90's models. Rover is actually a guise of Acura Integra.
It is not difficult to diagnose main relay problem. When in normal condition, if you turn key on but keep engine off, i.e. not crank the engine, you should hear your fuel pump working for about 2 seconds. At the same time, you can see a check engine light or PGM-FI light on the dash board turns on for 2 seconds and then turns off itself. If can not observe both, you should suspect the main relay.
The main relay locates on left side of driver kick panel, beside the driver door. Touch it with left hand. You should feel it vibrates once when you turn key on with right hand. Otherwise, the main relay is faulty.
You can also use a multimeter to check power of all terminals of the relay. Remember which terminal has 2 second power supply when the key is turned on. When the problem occurs again, check this terminal again. It it has no power anymore when turning the key on. It must be the cause.
You can drive to a junk yard, take off the relay and bring it with you. Find a Handa car to match a main relay with the same component type, shape and terminal numbers. A used part should be not more than $20. Ask a Honda dealer first, new part could be cheap too, because old model cars are phasing out.
It is not difficult to diagnose main relay problem. When in normal condition, if you turn key on but keep engine off, i.e. not crank the engine, you should hear your fuel pump working for about 2 seconds. At the same time, you can see a check engine light or PGM-FI light on the dash board turns on for 2 seconds and then turns off itself. If can not observe both, you should suspect the main relay.
The main relay locates on left side of driver kick panel, beside the driver door. Touch it with left hand. You should feel it vibrates once when you turn key on with right hand. Otherwise, the main relay is faulty.
You can also use a multimeter to check power of all terminals of the relay. Remember which terminal has 2 second power supply when the key is turned on. When the problem occurs again, check this terminal again. It it has no power anymore when turning the key on. It must be the cause.
You can drive to a junk yard, take off the relay and bring it with you. Find a Handa car to match a main relay with the same component type, shape and terminal numbers. A used part should be not more than $20. Ask a Honda dealer first, new part could be cheap too, because old model cars are phasing out.
notAQ
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My 2005 Corrola seems have similar problem.It happensin both winter and summer after I drive about 20-30 mins.I asked the dealer to check it but was told nothing wrong.Is this the same problem as you guys are discussing about? If not,what kind of problem it could be?Thx!
FakeWrench
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I don't believe it is the same problem as Honda. A brand new car should not have this problem. Most garages can't get many chances to touch new vehicles and are absent of experience. A dealer is where you should get advice from. It could be a factory defect. Ask the dealer to check TSBs (Technical Service Bulletine).
Another way is to post your question to websites of Corolla owner club. Other owners may get the same problem before and know what cause is.
Another way is to post your question to websites of Corolla owner club. Other owners may get the same problem before and know what cause is.
我的车是94 Civic 毛病跟楼主的一模一样， 我照着CASE 兄提供的连接修了我的车http://www.markl.f9.co.uk/howto/electrical/main-relay/main-relay.htm
连接里有照片，修车很简单，把那个main relay 拆下来 里面的虚旱点一看便知， 跟照片上的位置一摸一样 （另外一个“疑似”虚焊， 一起都重焊了） 今天早上弄得 大概一个小时。现在启动已经没有毛病了。 在没修之前 车子即使能启动， 也是感觉启动的非常勉强。 现在启动痛快多了。 可惜修车的时候忘了拍照了 不过有想自己DIY的兄弟们照着连接里的图片作就绝对没问题了。
连接里有照片，修车很简单，把那个main relay 拆下来 里面的虚旱点一看便知， 跟照片上的位置一摸一样 （另外一个“疑似”虚焊， 一起都重焊了） 今天早上弄得 大概一个小时。现在启动已经没有毛病了。 在没修之前 车子即使能启动， 也是感觉启动的非常勉强。 现在启动痛快多了。 可惜修车的时候忘了拍照了 不过有想自己DIY的兄弟们照着连接里的图片作就绝对没问题了。
