P1320 with misfire that goes away
#1
P1320 with misfire that goes away
Hey all,
I recently picked up a 1999 Max GLE with 90k miles on it for a steal. However, its come to my attention that this car seems to have issues with coil packs, which may be the reason its throwing the 1320. What I don't understand is the intermittent miss that seems to come and go as it pleases, usually right after I crank it. Any help guys?
I recently picked up a 1999 Max GLE with 90k miles on it for a steal. However, its come to my attention that this car seems to have issues with coil packs, which may be the reason its throwing the 1320. What I don't understand is the intermittent miss that seems to come and go as it pleases, usually right after I crank it. Any help guys?
#3
^Not necessarily true.
Although the coilpack(s) could be bad, so could the injector(s) or even the FPR in this case.
Start with the good ol' unplug the coilpack trick on each cylinder and listen for a change in RPM. If no change, then you found the cylinder that's acting up.
Then swap coillpacks and see if the silence follows to that cylinder. If so, you found your coilpack. If not, then most likely the injector at the original cylinder is bad.
Start with this and report back.
Although the coilpack(s) could be bad, so could the injector(s) or even the FPR in this case.
Start with the good ol' unplug the coilpack trick on each cylinder and listen for a change in RPM. If no change, then you found the cylinder that's acting up.
Then swap coillpacks and see if the silence follows to that cylinder. If so, you found your coilpack. If not, then most likely the injector at the original cylinder is bad.
Start with this and report back.
#4
Hey guys,
Gonna test that this weekend when I have a spare moment. My Max missed again tonight, right after I cranked it up to go to the grocery store. After I came out 5 min later, it wasn't missing anymore, and rode smooth. My OBD reader is now showing a miss on #6, the P0306 code, along with the P1320. Is this my culprit? Last time it missed and I changed a coil, it threw the P0304, and the #4 coil was screwed.
Gonna test that this weekend when I have a spare moment. My Max missed again tonight, right after I cranked it up to go to the grocery store. After I came out 5 min later, it wasn't missing anymore, and rode smooth. My OBD reader is now showing a miss on #6, the P0306 code, along with the P1320. Is this my culprit? Last time it missed and I changed a coil, it threw the P0304, and the #4 coil was screwed.
#6
Hey guys,
Gonna test that this weekend when I have a spare moment. My Max missed again tonight, right after I cranked it up to go to the grocery store. After I came out 5 min later, it wasn't missing anymore, and rode smooth. My OBD reader is now showing a miss on #6, the P0306 code, along with the P1320. Is this my culprit? Last time it missed and I changed a coil, it threw the P0304, and the #4 coil was screwed.
Gonna test that this weekend when I have a spare moment. My Max missed again tonight, right after I cranked it up to go to the grocery store. After I came out 5 min later, it wasn't missing anymore, and rode smooth. My OBD reader is now showing a miss on #6, the P0306 code, along with the P1320. Is this my culprit? Last time it missed and I changed a coil, it threw the P0304, and the #4 coil was screwed.
#8
I agree, I had to change my coils back in June this year cause it was misfiring, I bought 6 brand new OEM hitachi and no problems at all after 3 months. It seems like all the original coils on these cars are starting to go and need replacing. I would just replace all and save yourself a headache, it did for me.
#9
One of the coils started to go bad on my '96, but not frequently enough to trip the CEL. Not knowing which one, I replaced all six with the spare set I had from my '95 parts car. No problems since. I know I still have at least five good spares, I just don't know which is which.
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