I've never seen it happen, so it took me by surprise.

I went on a 4-stop, 5-start/drive cycles trip with the wife this a.m. Since I haven't found out why my Android apps/cell phone combos aren't working right, I just didn't use them. I trusted my electric fan to work, even though I couldn't monitor coolant temp.

As usual, the SES came on during the second start/drive cycle I mentioned in the post above; but, during the final start/drive cycle, it went off by itself. I've never had that happen before. I'm sure the recurring P0171 & P0174 didn't correct themselves.

I'll go outside later and us my Foxwell to check it out (and try out my other Android dongle & device combos...again). And maybe hook up my Blackvue Power Magic Pro device (battery run-down protection, for after key-off running of the E-fan).

__________________
01 BMW X5 E53,3.0i-5L40E, 7/13/01
topas-blau,Leder-grau,"resto-project car"

Here:
14 Lexus ES350,3.5L-U660E
09 HHR Panel,2.2L-4T45E
04 Chevy 2500HD,6.0L-4L80E
98 GMC Sierra 1500,5.7L-4L60E

Gone:
66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake
08 Cobalt Coupe,2.2L-4T45E
69 & 75 C10s,350c.i.-TH350
86 S10,2.8L-700R4
73 Volvo 142,2.0L-MT4
72 & 73 VW SuperBeetles,1.6l-MT4
64 VW,1.2l-MT4
67 Dodge Monaco 500 2dr ht.,383c.i.-A727
56 Chevy 210 4dr,265c.i.-PGlide