9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
So, I've enjoyed all the fun the P0638 code has to share. I had a catastrophic failure, had a Saab guru replace the ECM ($1200 repair on my $500 dollar car), and all was well. Then, the walking pace (seriously, limp home is a generous description) cruise back home. I removed the throttle body...