Question about 2000 Chevrolet Blazer

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Engine shakes engin shakes as if it was not firing on all cylinders. previously it had been turning over a lot longer before starting. now there is an engine service light on and when i had somebody try to check the code they said that there is no power from the ecm.

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Timing has maybe gone out from a bad belt or chain / remember cold weather kills timing belts and chains..

Posted on Jan 06, 2009

  • dwayne sagh
    dwayne sagh Jan 06, 2009

    timing has maybe gone out from a bad belt or chain / remember cold weather kills timing belts and chains..

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2008 Hilux 2.5 d4d, 2kd engine. Why does it belch blue smoke and shake a lot?


Blue smoke is indicative of burning oil, and the heavy shaking is showing that it's not firing properly on all cylinders. Check your oil levels and see if they have gotten low. Check your plugs and see if they are fouled or vaporized. It is likely you've got oil leaking into your cylinders, and that it is being burned during normal engine operation. If your plugs are fouled, replace them. If your plugs are fouled AND your oil is depleting, you're going to have to change out the gaskets in your engine, and I would also recommend you run fuel system / total engine cleaning and conditioning fluid (like SeaFoam) through your engine.

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While the malibu is still it shakes a lot seems like it wants to turn off. I put in Neutrol and the shaking is less, what can this be?


Is the check engine light on ?
Usually when the engine is shaking you have a miss where one or more cylinders are not firing or not producing power.

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1 Answer

I have a 2002 Volkswagen Golf with a 2.0 engine. The 'check engine' light starts to blink and the car starts to shake violently, and it doesn't accelerate past about 25km/h. Then after riding...


there are a LOT of problems that could have this effect on an engine ... but from this description it sounds like your timing chain might have skipped a tooth. If your timing is off, the pistons will not fire at the correct time, and will cause a violent shake in the engine, and the engine will lose almost all power. This issue would also cause a hard start whenever you try to get your car started, so it may not be this ...
You might have a leak in your head gasket which is leaking either water or antifreeze into one of your pistons. When you start the car, is there a sweet smell in the exhaust? If antifreeze gets into a piston, it usually stops that piston from firing at all. This could cause a violent shake in the engine, and might not cause a hard start, so it would only be noticed when you start driving.
You could have a dead spot in your distributor cap -- the piece of the engine that distributes electrical charge to the spark plugs. Replacing the plugs is a first step to finding out if it is this problem -- it is cheaper and easier to do than replacing / repairing the distributor cap. When the plugs don't want to fire correctly, it has the same effect on the engine as antifreeze in your engine -- a violent shake and diminished power.
There is a SMALL possibility that it could be your transmission. If your transmission is getting stuck in the wrong gear, or between gears, the engine will try to pour out power, but will get so bogged down by the malfunctioning transmission that the whole car will shake. This is a VERY rare problem, but it does occasionally happen.
Your car's computer might not be sending or receiving the correct information to or from the engine. If this is the case, it could be pumping a different amount of fuel to each cylinder, causing the engine to fire too hard sometimes, and too soft other times. This would prevent you from getting proper acceleration, and could cause a shake in the car, but I don't think it would be a Violent shake like you described.
You could have a bent Cam, which would not allow the valves to function correctly (but this would probably keep the car from starting). It could be a bad bearing in the engine (but this would probably keep the car from starting at all). You could have faulty valves (but once again, it would probably not start at all). There are a lot of other possibilities as well ... but I think you get the point here. It is going to take a while to figure out exactly what is wrong. If you have a friend who is willing to help you out, or a really cheap mechanic that you can take it to, you'll probably save a lot of money over taking it to a corporate shop. Best of luck!

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I changed my 1986 Toyota pickup engine, when it was all done i tried to turn it on and the gas pump wasn't pumping enough gas so i bought a new one and installed it, apparently now the pump has to much...


1986 is it fuel injected or carburator? Ill assume it fuel injected. New engine? Too much fuel pressure?
If its fuel injected is not going to be too much fuel pressure. There is a fuel pressure regulator that regulated the pressure.Because its a replaced engine what is the firing order? There will be 2 of them 1342 and 1432, You'll need to check the timing and the firing order. Bring the engine to top dead center, use the mark on the front pulley. take spark plug# 1 out.Is the piston up? Top dead center is the piston up and crank timing mark on zero( 0). remove distributor cap is it at a position to fire # sparkplug wire to cylinder? If not youll need to set it there. Because you are stating it shakes alot you not in the right firing order. let me know

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My 2000 honda accord lx's check engine light has been on but now it's blinking ever since my car started shaking really bad.


A blinking check engine light is a signal that a damaging misfire is occurring in one or more cylinders. Your car is shaking because of the uneven power loss between firing cylinders and those that are misfiring. If you take your car to a major auto parts store, they will read out the stored trouble codes in your car's computer memory--and they'll do it for free. These codes will tell you which cylinders are misfiring and will help you find out why. Do it soon before more engine damage occurs--$$$$.

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04 sunfire drove perfect all day but just as I was pulling in my parking lot it started shaking real bad....what could be wrong?


Sounds like an engine misfire, One of the cylinders isn't firing correctly, You could have a bad spark plug or injector, but that year sunfire were known for faulty ignition coils. If the shake was severe enough it would indicate a coil issue because 2 out of you 4 cylinders aren't firing properly (a coil controls spark to 2 cylinders at a time). To be sure have it checked out at a garage, if the check engine light is on have it scanned at a large parts retailer (usually for free) or at a locate reliable garage. It would better determine the cause of the shaking.

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My wife's 2002 Jeep Grand Cherokee Laredo starts shaking when the car is turned on. The sound of the car is different, almost like put put put kind of sound instead of a normal smooth engine sound. When I...


You probably have a dead cylinder. like if you have a six cylinder it might be running on only five. could be because of a bad spark plug, ignition coil, fuel injector, plug wire. you should get it checked out.

Nov 03, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Car engine light on light blinking shaking over due for oil chang


Your engine has a cylinder miss-firing, that not only shakes the car but makes the check engine light blink the cylinder number that is missing, don't drive the car this way or u will overheat the exhaust catalytic converter, this can cause a fire.

Dec 16, 2008 | 2001 Jeep Grand Cherokee

1 Answer

Car shaking and service engine light blinking


Hi Habitsi1982,
make sure that it's firing on all cylinders....Has any one played around with the firing order of the spark plugs?....I'm not sure what vehicle it is that you have.....If the engine check light comes on, the onboard management computer has picked up a fault....take the vehicle for a diagnostic scan and that will tell you very quickly what the problem really is.

Regards

Johngee10

Aug 28, 2008 | 2000 Ford Mustang

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