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

is there a way to make sure the injectors are not going to leak?

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Old Jun 21, 2004 | 09:20 AM
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From: orlando, fl.
is there a way to make sure the injectors are not going to leak?

put in some new 1000cc marren secondary injectors, put everything back together and sure enough 1 of them is leaking, so im taking everything back apart and going to the dealer to get a new o-rings and a insulator(bottom groumet), so before i put it together wanted to see if there is a way to check to make sure the injectors are sealed properly

thanx in advance for any info
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Old Jun 21, 2004 | 10:00 AM
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From: Alabama just east of B'ham
Your new injector didn't come with new o-rings and grommets? I'd call Marren also. You might have a bad one out of the box.
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Old Jun 21, 2004 | 11:15 AM
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From: https://www2.mazda.com/en/100th/
leak fuel? you can jump the fuel pump with the yellow 2 pin connector on the right shock tower.

theres about a page on this in the shop manual
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Old Jun 21, 2004 | 11:24 AM
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Inspect the fuel rail injector sockets for any stuck on pieces of old O-rings.
Put a dab of oil on the O-rings when reinstalling the injectors.

Also see that the insulator grommets seal well.
They are a good place for a vac leak.
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Old Jun 21, 2004 | 11:15 PM
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From: orlando, fl.
Originally posted by j9fd3s
leak fuel? you can jump the fuel pump with the yellow 2 pin connector on the right shock tower.

theres about a page on this in the shop manual
thanx man, this worked like a charm no more leaky injector
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