What's your A/F on Overrun?, 'Nother D-Jet A/F Question |
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What's your A/F on Overrun?, 'Nother D-Jet A/F Question |
BeatNavy |
Mar 12 2017, 12:28 PM
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#1
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Certified Professional Scapegoat Group: Members Posts: 2,924 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region |
For those with D-Jet, what are you typically seeing for A/F ratio on a medium to hard overrun? Based on what I've read here mine seems too rich - like in 10's and 11's. Once the RPM's drop closer to idle it bounces back up to normal idle A/F ratios. Does A/F on overrun even matter?
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BeatNavy |
Aug 15 2017, 04:59 PM
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#2
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Certified Professional Scapegoat Group: Members Posts: 2,924 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region |
Just closing the loop. I actually have an 044 ECU, which has NO overrun cutoff circuit. So...based on that fact and Mark's suggestion that it's probably less air, not more fuel, resulting in a higher A/R mixture -- and would seem like behavior. But the point of my OP is that I'm trying to determine if my mileage is lower than it should be and, if that is the case, whether this could be a cause. Right now I'm guessing the answer is no...
Thanks for everyone's input. |
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