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MegaSquirtPNP2 and AEM Wideband X series

 
Old 02-07-2019, 08:02 PM
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Default MegaSquirtPNP2 and AEM Wideband X series

Hey guys, I'm in the middle of pulling out an innovate SG1 and going to an AEM 30-0300 X-Series Wideband. I believe I have it wired in properly but my AFR in tuner studio does not move much. It's pegged in the red at 18+ and moves very little. I have tried changing the AFR controller settings in TS but it did not seem to help. Here is the set up so far. Any help would be appreciated.

Car is a 99 NB1 with an MSPNP2

Red from the Wideband is a fused 12v from the battery
Black from the Wideband is pinned to #5 Chassis ground
White from the Wideband is pinned to #21 Oxygen Sensor
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Old 02-08-2019, 03:07 AM
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So you went into tools then afr option and selected aem x series?

Last edited by Don235; 02-08-2019 at 04:46 AM.
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Old 02-08-2019, 04:45 AM
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Yeah, don't forget to read the instructions of the X-series gauge, which clearly state to connect the brown wire to an ECU ground.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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