fault code P1315

[rodonline]

Misfire, Emission related, signal implausible cly 1-6 is the only code i got after doing to work to my MY99 boxster

The plan for the day was replace the sensor and adjust the the timing for code P1324 as well as new oil with a filter.

* note * huge performance gains with the car by fixing this problem

now theirs a new problem my car may run like it never has before

i have the code P1315

i have checked the spark plugs there all in good condition i got them new about 3 weeks ago and i changed 2 coil packs on the passenger side

still have the same code and problem which is cold start really rough ideal and slight pop/ back fire, car warms up and it stops but still slight rough idle.

any pointers

[RFM]

P 1315 refers to cyl.3 misfire (bank 1 - pass. side LHD 986/7) check the coil connector for proper fitting and don't forget to inspect the #3 injector + connector as well. The misfire concept encompasses more than ignition problems only.

[rodonline]

i checked all the connections there all nice and tight, no corrosion either

i have a feeling that its something we did when we fixed the timing or a vacuum leek somewhere

but thats just me

[wvicary]

Swap the ignition coil to another cylinder and see if the fault follows the coil.

[rodonline]

when i have some free time maybe tomorrow im going to swap all of them to the other side and see what happens, also which one is cly 3? i dont know the firing order

[RFM]

For LHD Boxster Cyl.3: (Bank1 passenger side) closest to the gearbox.

[rodonline]

For LHD Boxster Cyl.3: (Bank1 passenger side) closest to the gearbox.

so if im looking at the car from under the lift at the passenger side coils its the one furthest to the rear correct

[Loren]

For LHD Boxster Cyl.3: (Bank1 passenger side) closest to the gearbox.

so if im looking at the car from under the lift at the passenger side coils its the one furthest to the rear correct

Yes.

[rodonline]

so turns out we pull out the coil pack with closer inspection has some tiny cracks on it so i garbed and extra one that was good, also i pulled the plug out to look at it and turns out one side was bent! So i bought a new one and now the car is smooth as silk!

[Loren]

:thumbup:

[logray]

Gotta love the easy ones!

[rodonline]

haha something simply over looked (: thanks for all the input guys!