PWM idle valve
#1
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Join Date: Sep 2007
Location: Brisbane, Australia
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PWM idle valve
Hi all,
I'm fresh to allthis megasquirt jazz after just throwing a pnp on my '90 na6 with 265 cams with more plans ahead, just after a bit of help or info on the pwm valve.
I have put a manifold off a NB6 which has the same throttle body as the other NBs to gain the variable tps and when I hooked up the idle valve is seems to work but sometimes makes a wierd noise so I unplugged it for now. I think the settings on the pnp don't match what the new valve needs so the question is does anyone have any values to work with the nb pwm? I found a set in a search which was posted by hustler
Has anyone tried these values with success?
Cheers, Tim
I'm fresh to allthis megasquirt jazz after just throwing a pnp on my '90 na6 with 265 cams with more plans ahead, just after a bit of help or info on the pwm valve.
I have put a manifold off a NB6 which has the same throttle body as the other NBs to gain the variable tps and when I hooked up the idle valve is seems to work but sometimes makes a wierd noise so I unplugged it for now. I think the settings on the pnp don't match what the new valve needs so the question is does anyone have any values to work with the nb pwm? I found a set in a search which was posted by hustler
Has anyone tried these values with success?
Cheers, Tim
#3
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There's a good thread on m.net here, a few posts down a guy in the UK chimes in who is trying to supress the noise from an NB idle valve, note he has a LINK ecu and can't alter the idle valve frequency....
There may be some hints in there for a frequency to shoot for aswell.
#6
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I haven't confirmed, but I always suspected the NB valve would be the same as on the 94-95 car, if so those idle settings would be a good starting point. The 90-93 valve is definitely different from the 94-97 valve though.
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Jerry a.k.a. 'FoundSoul'
DIYAutoTune.com
'91 Miata BEGi S3 GT2560 w/ MSPNP - 14.1psi - 253whp, 232wtq
'95 Miata n/a
A few other cars....
Jerry a.k.a. 'FoundSoul'
DIYAutoTune.com
'91 Miata BEGi S3 GT2560 w/ MSPNP - 14.1psi - 253whp, 232wtq
'95 Miata n/a
A few other cars....
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