subaru impreza gx sport misfire
Hey all
Recently purchased my first subaru impreza, engine management light was on, plugged it in and it come up with a misfire on cylinders 2 and 4. Since then I changed the coil pack, ht leads, new plugs and new fuel filter. With no joy whatsoever. The car misfires while idling but seems to be worse under load. I noticed when clearing the code it takes a few days to come back up sometimes sooner, sometimes longer. I've heard people mention the maf sensor but I cannot find it on my car or if it has one. I'm at a loss any info or ideas would be grateful Thanks |
It should be after your air filter, try spraying with cleaner.
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Originally Posted by jaygsi
(Post 11807523)
It should be after your air filter, try spraying with cleaner.
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Could be a couple of other things too like
A knackered O2 sensor or Knock sensor. |
Originally Posted by scooberuni
(Post 11807526)
Could be a couple of other things too like
A knackered O2 sensor or Knock sensor. |
I've had a similar problem with mine, tried all the things that you've tried and nothing fixed the problem until I bought a new knock sensor and it seems ok now, been fine for a few months. If that didn't work I was going to buy a new 02 sensor but they are quite pricey so I was leaving that one till last. You won't find a MAF on a GX btw, they have a MAP sensor instead, don't ask me what the difference is lol
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Originally Posted by scooberuni
(Post 11807532)
I've had a similar problem with mine, tried all the things that you've tried and nothing fixed the problem until I bought a new knock sensor and it seems ok now, been fine for a few months. If that didn't work I was going to buy a new 02 sensor but they are quite pricey so I was leaving that one till last. You won't find a MAF on a GX btw, they have a MAP sensor instead, don't ask me what the difference is lol
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Originally Posted by Ryanw1989
(Post 11807533)
Yeah I'm gonna take it off tomorrow and get one ordered, I thought they didn't have a maf sensor just needed someone to clear that up lol fingers crossed this works. If not I may have to look at compression tests and dig deeper. I'll keep you updated cheers guys :thumb:
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Where did you get it from, mine was just a fleabay job
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Similar problem on the wife's N/A wagon - O2 sensor was faulty.
Mick |
Originally Posted by scooberuni
(Post 11808620)
Where did you get it from, mine was just a fleabay job
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Originally Posted by merlin24
(Post 11808716)
Similar problem on the wife's N/A wagon - O2 sensor was faulty.
Mick |
How's the car running now then? I had another idea for you, I used to always run mine on regular unleaded with it not being an import car or anything. I recently put super unleaded in by mistake and I noticed the difference straight away. The car pulled a Away more smoothly and didn't hesitate. It seems to go through the gears better too. Maybe using super unleaded or V Power night do your car some good.
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