Miata Turbo Forum - Boost cars, acquire cats. - GM IAT installed, but now car wont start

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Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)

- MEGAsquirt (https://www.miataturbo.net/megasquirt-18/)

- - GM IAT installed, but now car wont start (https://www.miataturbo.net/megasquirt-18/gm-iat-installed-but-now-car-wont-start-65695/)

kruze

05-08-2012 06:15 PM

Okay, jumped fp/gnd with iat on. Runs and stays running fine.

What now?

shuiend

05-09-2012 08:37 AM

Quote:

Originally Posted by kruze (Post 875330)

Okay, jumped fp/gnd with iat on. Runs and stays running fine.

What now?

You can either leave the fp/gnd jumped and drive around like that, or you can read the stickies at the top of this section and learn how to build the correct circuit to control the 1.6 fuel pump.

Braineack

05-09-2012 08:52 AM

I'd double check you actually hooked up the high side driver circuit.

that's what drives the fuel pump when you remove the AFM...obviously it's not working.

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