S80 DTC Code P0302

RandomJunk · Jun 15th, 2009, 16:58

I have a bit of a lumpy idle, so connected the OBD box and got a P0302 code indicating a misfiring cylinder 2.

Does the code indicate anything specific, or could it be any combination of the lead/coil/sparkplug/something else?

I'm just using a free version of Scantool that came with the interface - is there anything better I should be using?

Thanks!

Chris_Rogers · Jun 15th, 2009, 17:10

Yes is could be it be any combination of the lead/coil/sparkplug/something else.

One technique is to swap the coil pack from the suspect cylinder with another one and see if the fault moves with it.

Checking the spark plugs is a good move as well of course.

RandomJunk · Jun 15th, 2009, 20:40

Thanks - I'll have a dig around!

Jun 15th, 2009, 16:58	#1
RandomJunk New Member Last Online: Oct 1st, 2009 21:47 Join Date: Sep 2008 Location: Sussex	S80 DTC Code P0302 I have a bit of a lumpy idle, so connected the OBD box and got a P0302 code indicating a misfiring cylinder 2. Does the code indicate anything specific, or could it be any combination of the lead/coil/sparkplug/something else? I'm just using a free version of Scantool that came with the interface - is there anything better I should be using? Thanks!

Jun 15th, 2009, 17:10	#2
Chris_Rogers VOC Member Last Online: Apr 10th, 2017 16:55 Join Date: Jan 1970 Location: South Kent Coast	Yes is could be it be any combination of the lead/coil/sparkplug/something else. One technique is to swap the coil pack from the suspect cylinder with another one and see if the fault moves with it. Checking the spark plugs is a good move as well of course.

Jun 15th, 2009, 20:40	#3
RandomJunk New Member Last Online: Oct 1st, 2009 21:47 Join Date: Sep 2008 Location: Sussex	Thanks - I'll have a dig around!

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