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Is this normal?

2001GTP

2001GTP

New member
While traveling on the interstate and coasting down large hills my wideband goes off the scale Lean. It can only read into the 17s I think. Anyways, is it normal for the car to totally lean out when coasting down large hills at highway speeds?
 


As far as I know. Yes. The engine is still flowing a lot of air, but not adding fuel to create power. Lot of air, little fuel, shows up lean. No harm. Normal. Under acceleration is a totally different story as I'm sure you know.
 
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