Random Missfire
Random Missfire I keep getting a PO300 Random/ mutiple missfires i look at my missfire counters and all the cylinders are missfiring #3 & #8 have the most but not buy a huge margin cyl 1,2,4,5,6,7 are all in the 1300 misses where as 3&8 are in the 2000 range i pulled #3 and #4 plugs and the look good my fuel trims are in open loop while looking at the freze frame data when the light comes on on this particular case:
SHRTFT1% 0.0
LONGFT1% -1.6
SHRTFT2% 0.0
LONGFT2% -1.6
The light mostly comes on in the morning while in open loop but also comes on when hot. Also should a Maf sensor be flowing more than 18.37 grams per second with a 90mm slp maf sensor its getting to really be a pain in the *** to keep having this light come on
SHRTFT1% 0.0
LONGFT1% -1.6
SHRTFT2% 0.0
LONGFT2% -1.6
The light mostly comes on in the morning while in open loop but also comes on when hot. Also should a Maf sensor be flowing more than 18.37 grams per second with a 90mm slp maf sensor its getting to really be a pain in the *** to keep having this light come on
The car is still misfiring mostly first thing in the morning but also when im driving here is the freeze frame data from when it set the code
LOAD% 5.5
ECT 185
SHRTFT1 6.3
LONGFT1-0.8
SHRTFT2 7.0
LONGFT2 -2.3
MAP INHG 15.4
RPM 1116
MPH 24
MAF LB/MIN 1.959
TP%0.0
LOAD% 5.5
ECT 185
SHRTFT1 6.3
LONGFT1-0.8
SHRTFT2 7.0
LONGFT2 -2.3
MAP INHG 15.4
RPM 1116
MPH 24
MAF LB/MIN 1.959
TP%0.0
