2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Injector Leaking And Spraying Everywhere From Bottom

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Old Sep 24, 2007 | 01:54 PM
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Injector Leaking And Spraying Everywhere From Bottom

I just started my engine and a friend of mine noticed that the front top rail injector that you can see from the front was squirting everywhere from where it meets the manifold

what is going on?

bad injector?
something clogged in the mani?
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Old Sep 24, 2007 | 02:18 PM
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i dunno what youre describing but it sounds like a pulsation dampener. i wouldnt turn on my car until you get it fixed if i were you. what car do you have? need more detail.
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Old Sep 24, 2007 | 02:37 PM
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Gommets or o-rings may be bad. Did you remove your injectors?

If not, it may be you FPD. Either way, fix it now.
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Old Sep 24, 2007 | 02:39 PM
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i vote grommet or o-ring.
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Old Sep 24, 2007 | 03:09 PM
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yes they were removed cuz my engine was gettin rebuilt.

now they spray even as im tryin to start the car? i thought secondaries only come on at around 3500 rpm
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Old Sep 24, 2007 | 03:42 PM
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The come on yea but theres still pressure on them when cranking and running. The PD is on the prim rail not secondary. Def sounds like a bad or no o-ring.
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Old Sep 24, 2007 | 03:43 PM
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grommets are on the bottom of the injector right?
cuz its spraying from the bottom
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Old Sep 24, 2007 | 03:47 PM
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check how they are seated in the fuel rail. make sure there is no vertical play in them.

also check o rings and grommets. you can get new o rings from autozone and grommets from mazdatrix. jumper the fuel pump check connector (yellow 2-terminal connector on passenger side) to check for leaks without starting the car.
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Old Sep 24, 2007 | 03:54 PM
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u said where it meets the manifold. i still dont know what you are describing. fuel wouldnt spray out there if it was a bad o-ring. the injector would have to be really jacked up.
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Old Sep 24, 2007 | 03:56 PM
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its a turbo 2.....where the bottom of the injector sits....thats where it is sprayin out from
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Old Sep 24, 2007 | 10:44 PM
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Sounds like either stuck open injector and not in the manifold(unlikely), or just the injector being cracked open and spraying out. (Haven't seen one yet.)
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