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Understand Freeze Frame Data
Could someone analyze my freeze frame data as to I don’t lnow what I’m looking at. Having problems with my 05 f150 xlt with 187,000 miles stumbling around 40 -55 mph. No codes are showing up. So maybe someone could look at my data and see if anything looks out ordinary. Thanks Fuelsys1 CL fuelsys 2 n/a load pct 41.6 etc *f 178 shrtft1% -1.6 longft1%10.9 shrtft2 % 3.9 longft2 % -7.8 rpm min 872 vss mph 7 spardadv 19 iat *f 68 Maf lb/min 1.569 tp% 15.7 o2b1s1 v 0.810 shftftrb1s1 % -1.6 o2b1s2 v 0.080 02b3s1 v 0.795 shrtfrtb3s1 % 3.9 02b3s2 v 0.085 runtm 15 frp psi 39.4 fli % 10.2 warm up 0 evap vp in h20 -0.103 baro 27.5 catemp11 965.12 catemp21 965.12 vpwr 14.322 abs 27.1 eq rat 0.999 plase if some one could shed some light on to what this means . I understand some like th cat temp and few other things but other than that I’m lost. Thx for any help. |
someone can tell you a lot more than me, but the 5-6-7-8 readings are Short term fuel trim ( bank 1 or 2) and long term fuel trim ( bank 1 or 2)... what I see is the long term trim on one side is 10.9% while the other side is -7.8% ........ these are not excessive, but not similar values. I think a positive value leads one to believe that an injector is plugged so the computer is trying to put in extra fuel to compensate... I think a negative number means the injectors is leaking so the computer is trying to compensate by cutting back on the fuel. Depending how you drive, I would think both sides would be somewhat negative, or both would be somewhat positive. Since they are opposites, I think it might be saying you have a sticky or leaking injector on one side. Are the injectors original ? Is this a 4.6 or 5.4 ?
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I’m assuming the injector are factory as I’ve only had the truck for 7 months. 5.4 engine. |
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