Thread: Air Fuel Ratios/mixture
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Old Fri, October 16th, 2009, 07:42 AM
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Just a little bit of extra information.......

If you do weld a bung in your exhaust pipe and put an oxygen sensor in it, you just wasted the oxygen sensor.

If you've ever tried making an oxygen sensor live in the exhaust pipe of a two-cycle engine, you'll be hard pressed to get one to live in a diesel. Cut the already short life expectancy of a wideband O2 down some more.

Diesel engines run on widely varying air/fuel ratios. That's the nature of the beast. There is already 100% of the available air inside the combustion chamber when the piston hits TDC compression but the amount of fuel -ONLY the amount of fuel and when it's injected- decides how much force is transferred to the crankshaft.
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