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installed new engine revs to 5k?

Old 05-03-12, 01:13 PM
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installed new engine revs to 5k?

Just put in new engine and it immediately revs up to 5k now i idk if its the plates that sticking.. vaccum leak.. or the hard idle screw.. now i know i did install a new intake manifold gasket.. from mazdatrix did i miss something when i installed it? Btw i have a jspec s5 t2
Old 05-03-12, 05:14 PM
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Check throttle cable tension and the throttle stop (although I'm not sure there's enough adjustment to get the engine to idle at 5k).
Old 05-03-12, 06:27 PM
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Thats basically the idle screw right? If it is i was gonna adjust it but the guys who helped me said its fine... and just a question when i got the gasket it was like blue and white.. is that the actually color or is that some sort of film protect?
Old 05-04-12, 03:56 AM
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Well today looked for vac leaks and adjusted the harness or moved it because the throttle linkage was hitting it and switch a solenoid that was pretty sticky and moved some vac lines which i thought were in the right spot (boost sensor and abv valve on the intake) so now the car doesnt start....
Old 05-04-12, 01:04 PM
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vac. line im almost positive or intake leak
Old 05-04-12, 01:42 PM
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Well i have a jdm engine so where is a vacumm diagram for jdm engines
Old 05-04-12, 08:03 PM
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Or should i use the usdm diagram anybody know?
Old 05-05-12, 12:42 AM
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when I had massive vacuum leaks in my shake-down testing the car would barely run or stall below 1500 RPM.

My guess is you bypassed the throttle body with a vacuum line or two. This would still meter the air through the MAF, but bypass the IAC (BAC)/throttle body
Old 05-05-12, 11:02 PM
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Alright got it running!!! I actually missed the vac line right below the bac valve.... cant believe i missed that... idle surges but just needs a fine tune >:]and thnks thou guys!!
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