After my 2005 Nissan Sentra check engine light came on I had the codes read. The code is indicating that there is a lean air/fuel ratio mixture. I’m thinking this may be a false positive(bad sensor), clogged fuel injector, etc. The light has gone off and come back on. I live in Utah where the cold w…

Check Engine: Lean Air/Fuel Ratio

Caddyman April 1, 2011, 8:28pm 5

The part that actually generated the fault code is the front oxygen sensor. After you clean the MAF, that’s the first part to replace…