Quote:
Originally Posted by t vago
Engine misfiring is never good. You may claim otherwise, but it's never a good thing to have completely unburnt fuel-air mix exit the combustion chamber.
I know modern engine control theory, which is something you obviously have no clue of.
Look up OBDII codes P0300 through P0307, and tell me how they are generated.
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USUALLY, we human being want to fool engine computer like ECU is because
we want to obtain some attractive feature like DCD. But we should NOT be
fooled ECU CODE like Mr. TLB did. ECU CODEs are up to human to interpret.
If you take OBDII codes P0300 through P0307 (Mr. TLB has missed P0308,
which indicates the 8th cylinder. Because DCD HAPPENS in every cylinder,
please don't miss the 8th one.) seriesly, you have been fooled by these
codes. They simply mean no burnings happens in certain cylinders. It's only
some mechanical difference, not the chemical disaster as you expected.
Great knowledge of lean-brun has let Mr. TLB worrying too much!
To DCD controlled engine, OBDII codes P0300 through P0308 could just
be interpreted like this ---- DCD is ON, and is in progress, and is happenning
in every cylinder, and NO cylinder had trouble to run DCD mode. So please
join me to welcome these codes, they don't kill anything, don't be fooled by
them. Mechanical "misfire" is absolutely not the same as chemical "misfire"
that needs to be worried a lot.