All Things Mk5 > How to Guides / Troubleshooting

New coils, new plugs, STILL misfiring!

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AJP:

--- Quote from: r5gtt on August 19, 2016, 10:26:27 am ---I'll sell you some s3 injectors @AJP  :love:

--- End quote ---
Haha, I bet you will!!

r5gtt:

--- Quote from: AJP on August 19, 2016, 10:56:56 am ---
--- Quote from: r5gtt on August 19, 2016, 10:26:27 am ---I'll sell you some s3 injectors @AJP  :love:

--- End quote ---
Haha, I bet you will!!

--- End quote ---
Course I would you're my best ie on here bro  :drinking: :signLOL:

AJP:
I'd probably have had these off you if I was anywhere near doing the k04 conversion. Seems a long way off at the minute though :(

r5gtt:

--- Quote from: AJP on August 18, 2016, 06:23:17 pm ---
--- Quote from: fab5freddy on August 18, 2016, 05:39:20 pm ---I'd look at the injectors next, well known to cause problems and you've looked at the other two already. Are any of the plugs fowled?

I had faulty injector on cylinder 3, when i pulled the plug it was soaking wet from fuel, certainly not a comprehensive test but might help.

@AJP

--- End quote ---
Incidentally it had an injector replaced on cylinder 4 a few weeks ago - this was to cure a bad idle with frequent misfires at idle. At that point in time, it behaved very well under load, apart from some fuel cuts from a greedy Stage 2 map that we cured with a Loba pump.

I haven't pulled any of the plugs yet. I've got the weekend off so I think I'll have a closer look at things. One thing I did notice when I was doing the coil packs yesterday was a little bit of oil on the cam cover:



Is this a concern, and could this be causing an ignition problem?

And has anyone with misfires caused by a plug or coil had the "Random/multiple cylinder misfire" fault? I keep thinking it's significant.

--- End quote ---
I should have asked you or told you that the centre bolt is quite wet?. Where's the most wet part or are those bolts loose?.

r5gtt:

--- Quote from: AJP on August 19, 2016, 02:22:04 pm ---I'd probably have had these off you if I was anywhere near doing the k04 conversion. Seems a long way off at the minute though :(

--- End quote ---
I nearly bought that K04 in the sale section last week but had a change of mind. it's too much power for a front wheel powered car.

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