1986 RX7 injectors

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05-16-10, 11:37 AM

popsboomie

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1986 RX7 injectors

installed a new 13B engine in my 1986 RX7 and now have constant voltage to the injectors. I think they are supposed to pulse but don't know where to start looking. Any help is greatly appreciated

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05-16-10, 03:26 PM

farberio

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They are supposed to pulse, look for a short in the wiring.

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05-16-10, 03:56 PM

RotaryRocket88

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No need to look for a short. A multimeter can't detect the pulse of an injector. It will just show up as constant power.

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05-16-10, 07:41 PM

RaceTUNE

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Quote:

Originally Posted by popsboomie

installed a new 13B engine in my 1986 RX7 and now have constant voltage to the injectors. I think they are supposed to pulse but don't know where to start looking. Any help is greatly appreciated

You will need a Noid light or a Scope to see the pulse, with a mutilmeter it will show constant voltage. And make sure when checking injector pulse your car cranking the starter or the injectors will not pulse.

-Frank Siharath