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boost problems


AE2ZX

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i cant figure it out ...it's ether something in my wiring or airflow meter

but when she starts to boost she cuts out ..some times i can hit 7 psi

just fine...before the problem started i was pushing 10 or 12psi ..

but now i hit 3 or 4 and it cuts out .tomarrow i will be messing with her and seeing if i can fix the problem ..i really need a few ideas where to start..

and new turbo air flow meter also it would be nice if i could find a 81 wiring harrness to swap in i think it could be the ecu plugs .but iam not sure yet .well anyone have any ideas or the parts i need let me know .thanks .:icon46:

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  • 2 months later...

ALOHA! This sounds like the classic corroded ECU connector problem. I had this problem before at 18psi and found out that the ECU connectors and the pins on the ECU side was dirty and corroded. All you have to do is pull the connecters in and out a few times. Doing this will clean the gunk in the contacts. You could also use a tooth brush or something similar to clean up the contacts. Give it a shot, you might be surprised :)

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