Question about 1992 BMW 5 Series

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It seems like the injector is having problems one of the cylenders is not firing and is has a los of power and seems to run rough what could be wrong

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  • James Bradburn
    James Bradburn May 11, 2010

    Have you checked to see if the the plugs are firing??



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Look you are looking at a number of things when a Cylinder, it can be electrical,1 like the spark plug can be not working, 2 the distributor cap if the car has one, 3 The spark plug wire that runs from the distributor to the spark plug that spouse not to work, 4 The fuel distributor if the car has mechanical fuel injection,5 The injector it self, is a way to diagnose it by first identify which Cylinder is not firing, also can be a burn intake or exhaust valve, to find out that you need a compression test at that not working cylinder. 2A
NOW if Your car is electronic fuel injection it can be a defective injector or the computer, You can try by taping on that injector wile motor idles, good luck

Posted on Jan 21, 2009


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I replaced my fuel injectors but i'm not sure i may have crossed #2 and #3 injector wires do that matter if crossed

Yes it does

They will spray fuel into the wrong cylinder,
at the wrong time

Could Hydraulic the motor & damage it

Just an at home chat room

You have to use the internet for info
or buy factory service manuals

Should have marked the connectors with a
sharpe & made note of wire colors on the PCM

Why replace injectors?
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