3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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Rough idle, die on gas. No problem if rev.

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Old 07-06-13, 04:12 PM
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Check the injectors maybe, sounds like I had a similar issue and it was a bad primary injector.
Old 07-27-13, 10:27 AM
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BUMP for further investigation....

After 3-4 hours of badmouthing against Mazda designer I reached and removed fuel rail...

Rubber on primary rail are splitted and really toasted, rubber in secondary rail "hole" (on engine) are the same....

Primary injectors seems very dirty...

I have to look at injectors oring but i hope I have founded the problem.... (no problem on secondary injectors operating range)







Old 08-03-13, 11:18 AM
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DAMN YOU pintle cap




Last edited by Evil_Sephiroth; 08-03-13 at 11:23 AM.
Old 03-18-14, 04:01 PM
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Solved after a little time XD

One of primary injectors is totally broken (can't hold pressure and leak)

Bought 2 used injectors and cleaned them....now car run perfect
Old 03-22-14, 05:51 AM
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Nice work, your thorough diagnosis paid off.
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