1999 GMC Suburban "check engine light suppose key" Questions

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Question about GMC Suburban

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key is not used. The check gauge and charging light would be on until the engine starts. You have checked fuel pressure with a gauge and you know the line is not pressurized when you crank the engine

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...check engine light does not come on when I turn key on but does come on after I start car 1987gta trans am isn't it suppose to come on as soon as u turn on key? Take it to Auto zone get the fault ...

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...engine maintaince light comes on for 3 seconds the... Engine maintaince light comes on for 3 seconds then turns off when i turn the ignition key? that is the engine management system checking ...

...check engine light is on. I had it checked and was told that the O2 sensor was bad. I replaced the O2 sensor and the check engine light is still on. Your light needs to be reset. It doesn't reset ...

Question about GMC Suburban

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...check engine and batt.light are not on with ignition but will come on in start position. paul munro Check engine and battery light are supposed to be off when the engine is running,that indicates the ...

...flashes on when this is happening. The one that your supposed to let go out before you start engine? Any ideas? check the breather hoses under the manifold front right of engine as you open the ...

what is the light that is suppose to come on for smog test station in my 1998 gmc safri van The check engine light must light when you turn the key to RUN or you'll fail immediately

Question about GMC Suburban

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check engine light I have 2000 Mitsubishi Galant LS V6. My problem is not check engine light being on but it won't come on as it supposed to (for two seconds) when I turn the key. I disassembled the ...

...is supposed to be on. Then when car starts and the alternator starta working, the light is supposed to go off.  That's just a basic engine check for you that the charging system is

...check engine light to come on. When the fan stops the light goes off and it starts fine. What should I do? The check engine light is supposed to come on when you turn the key to the on position. That ...

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