Misfiring... still!

[Martyn1989]

My Seat Ibiza 1.4 Chill (51) has been misfiring at random times for a while now. It is a problem that is a concern and I would (finally) like to get it sorted.

VAGCOM informs me that the engine has random/multiple misfirings on cylinders 1 and 3. I have changed my spark plugs recently to try and solve the problem, and also my HT leads, but the problem still occurs.

Anyone got any ideas as to how I can fix it, or should I just put a sticker over the engine warning light ?

Cheers fellas,
Martyn.

 

[Big_daddy]

have u changed the coil packs?

 

[M87NER]

1.4's dont have coilpacks...

 

[Big_daddy]

1.4's dont have coilpacks...

You sure? my cuz had a 1.4 chill 2000. and we replaced the main coil pack.

 

[M87NER]

they dont have individual coilpacks like the cupra's do,

 

[Robbie C]

If it's got HT leads then it'll have a central coil pack? Perhaps this needs looking at

 

[truCido]

yup the ignition coil/coil pack/ whatever you want to call it

 

[daves ibiza]

try the connecters on injectors mate i had same problem i lost a clip what secured the injector harness hope this helps

 

[chrissy1502002]

I would ask AdamR as he had the same issue on his 1.4 Ibiza. I beleive it wah the coil that we replaced along with the HT leads, and that solved it.

Good luck!

 

[Talon]

had the same problem on my cupra. misfire in cylinders 2 and 3, turned out to be the maf

 

[Ibiza125]

They don't have MAFs either... I would put my money on it being the main coilpack. I'm surprised that didn't come as a kit with the leads...

 

[daves ibiza]

true its not a cupra

 

[Talon]

sorry, cant say i know much about the 1.4 engine.

Good luck getting it sorted though!

 

[Martyn1989]

Thanks for the replies everyone. I was a little confused regarding the coil pack, as it seems to be just one main coil pack rather than individual ones.

Found one on eBay for £30, which seems fairly decent.

http://cgi.ebay.co.uk/ws/eBayISAPI....akeTrack=true&ssPageName=VIP:watchlink:top:en

Does anyone know how to fit them (or point me in the direction of a guide)?

Cheers lads.

 

[Ibiza125]

I've never changed on but I would guess to follow the leads down to the coilpack, unbolt the bugger and bolt the new one in.

 

[Martyn1989]

Changed the main coil pack yesterday, and the car is still misfiring.

The engine is misfiring more often since I changed the coil pack as well, which is just bloody typical

 

[Big_daddy]

Have you changed the the spark plugs?
What cylinder is the car misifring? try swopping the HT leads over with the misfirng cyclinder(s) and see if the cylinder(s) mifire moves with Ht lead swop. could fault in the HT lead.

 

[Martyn1989]

Have you changed the the spark plugs?
What cylinder is the car misifring? try swopping the HT leads over with the misfirng cyclinder(s) and see if the cylinder(s) mifire moves with Ht lead swop. could fault in the HT lead.

I've changed the spark plugs and the HT leads.

I'm honestly at a loss to what is causing the problem, but it is beginning to piss me off.

 

[Big_daddy]

Have u done a compression test btw?

 

[Martyn1989]

Have u done a compression test btw?

How would I go about performing a compression test?

I'm thinking the fuel injectors could be playing a part in this, as the misfiring occurs typically when the car is idling or when at low revs (it occurs when travelling slow in 5th gear etc).