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[b4ndit]

Hi,
can anyone point me in the right direction as to the cure for these codes please

P0155 O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1)
P0300 Random/multiple cylinder misfire detected
P0306 Cylinder 6 Misfire Detected
many thanks in advance

[tunnie]

For 300/306, check plugs for oil/water on the 2-4-6 bank, worth checking 1-3-5 as well.

Is your EML on?

[b4ndit]

no eml on did come on then went back off did cam covers aug last year with genuine ones from andyc also changed plugs as well just happened this morning when swmbo went to the shops

[tunnie]

how old are the plugs, also how many miles on coil packs?

[b4ndit]

plugs aug last year and coil packs don't know if original then 130k

[Marks DTM Calib]

Check for water around no 6 plug well due to a leaky scuttle.

[b4ndit]

just got the coil pack off  and no water or oil in or around the plugs plugs look ok can't see anything on the coil pack either should I change the plugs to eliminate them any suggestions welcome thanks

[v6man54deg Geffd]

you could always swap the plug to another bore to see if the problem misfire follows it - could be the actual coil pack itself with it coming up random misfire - check the condition of the rubbers that fit over the plugs - often they get damaged if its not removed correctly - there is a special tool to remove them - i just use two larger bolts to do it
have got a brand new one in the garage but just checked and its  1-3-5 bank

[b4ndit]

you could always swap the plug to another bore to see if the problem misfire follows it - could be the actual coil pack itself with it coming up random misfire - check the condition of the rubbers that fit over the plugs - often they get damaged if its not removed correctly - there is a special tool to remove them - i just use two larger bolts to do it
have got a brand new one in the garage but just checked and its  1-3-5 bank

if I need the coil pack and you are selling it how much would you want for it

[TheBoy]

Might be worth check bank 2 trims, given the codes from bank 2 lamda.


Visually inspect the missing cylinder coil pack. Any signs of expansion, or rust in the cracks that may appear, is a bad sign...

[b4ndit]

no cracks  expansion or rust changed the plugs now seem to be fine. also who's the best to get the trim checked or closest to chester

[TheBoy]

no cracks  expansion or rust changed the plugs now seem to be fine. also who's the best to get the trim checked or closest to chester

I think Mr Greedy has the capability? Drop him a PM

[b4ndit]

Thanks TB will do

[Jimbob]

And replied

[b4ndit]

Big thanks to Jimbob for your help tonight many thanks all sorted now