P0302 Cylinder Misfire in #2 on Wrangler '11
Hi all,
First time posting! Had a CEL came on a couple of days ago at the same time the low fuel light went on. Checked the code and it's a P0302, it's a 2011 Wrangler Sport (petrol) with 86000 km on it. I've done a bit of reading on these forums and it's clear it could be caused by a number of different parts , the car seems to be running well, idling at around 600RPM, no noticeable loss of power, no spluttering, very occasional light shudder on idle but I can't tell if that's normal (and I'm just being paranoid) or not. I think I'll start with the spark plugs then the spark plug leads because it sounds like that is a good place to start. Does anyone have any thoughts on this? Cheers, Dave |
Originally Posted by hynesy
(Post 4338208)
Hi all,
First time posting! Had a CEL came on a couple of days ago at the same time the low fuel light went on. Checked the code and it's a P0302, it's a 2011 Wrangler Sport (petrol) with 86000 km on it. I've done a bit of reading on these forums and it's clear it could be caused by a number of different parts , the car seems to be running well, idling at around 600RPM, no noticeable loss of power, no spluttering, very occasional light shudder on idle but I can't tell if that's normal (and I'm just being paranoid) or not. I think I'll start with the spark plugs then the spark plug leads because it sounds like that is a good place to start. Does anyone have any thoughts on this? Cheers, Dave |
Originally Posted by dmwil
(Post 4338217)
I've never had that code, but like you, that's where I'd start. You might even ask your dealership. They may know the cause to be a common issue and might help steer you in the right direction. I've had vague codes twice that didn't really tell me much. One led to a new catalytic converter and the other to two new O2 sensors.
Cheers, Dave |
Originally Posted by hynesy
(Post 4338253)
After speaking to a mate who knows a bit more he suggested I do the following:
Cheers, Dave https://cimg6.ibsrv.net/gimg/www.jk-...7a2ec19b5e.jpg What do you think? |
Sorry to bump this again, but I've had this CEL on for a few days but I'm planning to take it in on Friday (4 more days) as I think I have reached the limit of my skillset. Do you think that will be ok (i.e. won't cause any permanent damage) to wait until then?
|
P0302 is a cylinder 2 misfire and could be due to anything causing low power in that cylinder, most often ignition-related but could be a fuel injector or something else. If the engine seems to be running fine otherwise I wouldn't worry about driving it until your service appointment.
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Originally Posted by smiller
(Post 4338278)
P0302 is a cylinder 2 misfire and could be due to anything causing low power in that cylinder, most often ignition-related but could be a fuel injector or something else. If the engine seems to be running fine otherwise I wouldn't worry about driving it until your service appointment.
i did my best to clear the dust and leaves from the filter, firmly pushed in both ends of the spark plug cable and the CEL has gone off after a couple cycles, suspect that's not the last I'll see if it though. There is no perceivable (to me) performance impact so I'm not super concerned at this stage. Cheers, Dave |
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