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

have already searched....rough idle hesitation....

Old Sep 16, 2005 | 10:53 AM
  #1  
dinkyredfc3s's Avatar
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have already searched....rough idle hesitation....

have done hours of searching and reading and about 12hours of working. nothing.....the car hesitates.....power isnt made effectively and it doesnt start boosting till about 3-3.5 somtimes 4.....i have hollowed precat that i just hollowed out..it seems to be smoking BUT i washed it out with water and installed it before it dried so would that cause the smoking? it doesnt smell like oil....at least i dont think so...maybe its the wet mesh inside the precat?

well with hollow cats NEW NGK plugs, new fuelfilter, new oilfliter, mobil1 synthetic 10-30........ALSO had the injectors flowtested rebuilt..

this is my daily it idles rough and im scared for it...i replaced any broken vaclines...i had me and my friends check it out....im really worried for the car..........

should i replace my fuelpump?
ground wires? could they cause this?

please help i dont wanna lose my car NOR my job for that matter.....
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Old Sep 16, 2005 | 11:00 AM
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check fuel, TPS, timing and pick up a haynes manual.
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Old Sep 16, 2005 | 10:07 PM
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dinkyredfc3s's Avatar
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ok so ....what do you mean by fuel? i re-did all the vac lines i touched...ontop of that...the fuelinjectors were flowtested and rebuilt....

where do i go to mess with engine timing? its like 5 advance and 20 ATDC...ill look in the FSM...im assuming its in the engine section....if anyone has any immediate tips....please....

could a burnt out turbo be giving me this issue????

thanx!
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Old Sep 17, 2005 | 12:36 AM
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I dont think you should be using synthetic oil on a rotary it leaves crap inside the rotor housings because it doesnt burn up all of the way.....unless you are using Idemitsu Synthetic rotary engine oil from mazdatrix.
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Old Sep 17, 2005 | 11:01 AM
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there have been millions of threads saying its not worth the money is all i have seen i got it for almost 5 bucks a quart...mobile one is good and so is...royal purple its just pricey stuff and u dont get much out of it...i wanted regular mobil....BUT no one had it..i didint wanna use castrol...or quakerstate.....

well idle is random...the water hose under the intake manifold is kinked to ****...whats that mean? what effect is that doing to my car..?

not post hyjacking but yea...
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