10.0 Air/Fuel ratio/ car bogs while trying to accelerate - Canadian Mustang Owners Club - Ford Mustang Forums

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10.0 Air/Fuel ratio/ car bogs while trying to accelerate

Old 12-27-2018, 04:56 PM
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10.0 Air/Fuel ratio/ car bogs while trying to accelerate

My ratios are everywhere. The other day it was fine. 14.3 - 15.5. Yesterday as I was cruising it was at a steady 10.0 the whole time. I was stalling at red lights trying to get the car home. While coming home I accelerated from first to second and the car lost throttle power or like it just bogged down, then everything was normal again. What is causing this issue? Bad fuel supply? Bad maf? Both? Tuned for 94 octane. I only use 94. Thanks for the help ladies and gents. 2003 supercharged mustang Gt.
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Old 12-31-2018, 09:58 PM
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10.0 is pretty fat. You are getting plenty of fuel, is your pressure regulated? Try cleaning your MAF (carefully) Could be the fuel map is degraded, might need a re-flash. Good luck.
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Old 01-02-2019, 09:29 AM
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Thanks for the info, macgyver. Pressure is regulated and fine. The car idles rough and stalls now. Itís just so strange that it works some days and the others itís hard to drive.
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