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So the first table shows that there is no compensation of the a/f ratio once the engine temp (how is engine temp defined?) is over 60C.
Not sure what this has got to do with cold running issues?
To me the table says that the mixture is enrichened at lower temperatures (good). I guess that the enrichment is not enough to stop the cold stumble.
Table 2. Sorry, I need to know what the figures in the boxes are. Vertical axis is RPM, Horizontal is TPS.The error is perhaps that the figures peak mid rpm range at larger TPS values, rather than peaking at min rpm as at lower TPS values....which I suspect gives a rich mixture mid-range????
"The TPS issue is the problem. They've used a kludge to get around it instead of addressing it." The kluge is the extra fuel to get the engine to run smoothly when the TPS jumps from 2% to 10%?
"The richer values midrange are due to poor VE at those breakpoints." VE? Volumetric Efficiency? Would this be due to cam timing or profile?
"Have a look at the values at 4000 and above in the 45-65 TPS range. See how the same value is used on multiple cells? That's bad."Is that because the same value 6113 would be rich at 6500 rpm and lean at 7250 rpm?
You're not missing anything. When I suggest that the response isn't always positive. Now, if you can convince every one of those impatient owners to wait 2 minutes, problem solved.
Yup it's the principal.
Well, actually, it's the principle, unless you're referring to either your mortgage loan or Mrs. Jones at PS 201.
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