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Hey, all. First time posting so forgive any etiquette snafus.
I have a 2005 911 Carrera 997, NON S, manual, and I tackled the replacement of the battery cable running from the alternator and starter to underneath mounted on the transmission to address a very slow start issue I was having. So, that involved removing the airbox, removing the plenum and throttle body, removing the power steering reservoir, loosening off the belt, unbolting the alternator to gain access to the back, and unbolting the AC compressor to gain access to the space behind it. (And just wow, what a pain in the butt it was.)
After reassembly, I'm getting an error code: P1090: Mnaf control fuel&air metering auxiliary emission
I had some vacuum hoses disconnect when I was moving the alternator out, but I thought I reconnected them all correctly. Anyone have an idea of what that fault code could be?
I think that code is related to the mass airflow sensor. Check the connector in the airbox and make sure its clicked in properly. Clear the codes and take it for a drive and see if the light comes back on.
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p1090 Code Troubleshooting
