Want to see if anyone has come across this code before the only problem is that I forgot code number but remember what it said the problem was. It comes up with "Secondary bank running to lean" It acts up when it is really cold outside. Idles rough but once it warms up, it runs a little better...
I took my Tahoe to Aoutozone to get code. The code P0174 and P0171. It's saying that Bank 1 and bank 2 fuel is running to lean. Suspect is a fuel codition or fuel pressure or a MAF sensor. Has anybody ran across this and if so, what was the fix. Autozone said they suspect that it is the MAF...
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