lean on coast down?

[DSMULATOR]

Anyone else running lean when they are coasting? My A/F (narrowband) goes to lean when i am coasting down a hill or anything. This happening to anyone else?

I guess being a narrowband, it could be reading the wrong voltage as lean and it could be really running rich, I don't know at this point, but my DSM Link shows that it goes lean as well. Any thoughts?

 

[marcmsj]

It's supposed to be that way. Our cars have a coasting fuel cut which means that while coasting with the throttle closed, no fuel is being burned.

 

[DSMULATOR]

Thanks man, just always want to make sure my engine is happy...and unmelted

 

[viprez586]

Ditch the narrowband, spend more time researching.