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Vx220 N/a Misfire? Help!

vx220 misfire na 2.2 help

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#1 MattMacc123

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Posted 12 January 2018 - 11:22 AM

Hi All,

 

I have parked the car up for the winter, but before i did this, i was noticing an intermittent Misfire when accelerating. 

 

I had the car serviced a year ago at Murray Lotus in Edinburgh who replaced my spark plugs. I am just wondering, do you think there could be water on the spark plugs causing this misfire? or could it be the coil pack? I'm not massively mechanical minded when it comes to cars. So this is where I am hoping to learn. 

 

Another thing I am worried about is that i am not getting full performance due to this issue? or is this just me getting used to the car? 

 

Any help would be appreciated. 

 

Thanks! 


Edited by MattMacc123, 12 January 2018 - 11:25 AM.


#2 Johnboyhgt

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Posted 12 January 2018 - 11:26 AM

Coil pack or water in the plug holes.

 

Take the coil out 4 10mm bolts and unplug the connector and look in the holes, any water theres your issue.



#3 james_ly

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Posted 12 January 2018 - 11:29 AM

I find if I don't drive the car for a couple of weeks it has a misfire for the first couple of miles, I've always assumed it's water on the coil. Have you tried an Italian tune up ;)



#4 Johnboyhgt

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Posted 12 January 2018 - 11:40 AM

I find if I don't drive the car for a couple of weeks it has a misfire for the first couple of miles, I've always assumed it's water on the coil. Have you tried an Italian tune up ;)

 

Sounds like you need new spark plugs.



#5 MattMacc123

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Posted 12 January 2018 - 11:49 AM

Brilliant thanks for this guys, If there is water getting into the coil pack? what could be the reason for this? 



#6 CHILL Gone DUTCH

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Posted 12 January 2018 - 12:03 PM

Maybe the plugs are operating out of range in the cold weather

#7 MattMacc123

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Posted 12 January 2018 - 12:13 PM

I will have a little browse when i am back at the weekend and give the car a little once over. Thanks again! 



#8 Zoobeef

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Posted 12 January 2018 - 12:23 PM

We've not had a cracked head from an overtightened spark plug for a while. Just be aware that that is common on these engines.



#9 MattMacc123

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Posted 12 January 2018 - 12:27 PM

We've not had a cracked head from an overtightened spark plug for a while. Just be aware that that is common on these engines.

Thanks for this tip as well! il be careful not to tighten too much 



#10 Johnboyhgt

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Posted 12 January 2018 - 12:49 PM

Brilliant thanks for this guys, If there is water getting into the coil pack? what could be the reason for this? 

 you bought a VX220 !  :gayfight:  the water works its way in on a wet day through the boot grilles and runs into the engine bay and ultimately into the holes.



#11 Johnboyhgt

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Posted 12 January 2018 - 12:51 PM

25nm for the plugs no more !



#12 MattMacc123

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Posted 12 January 2018 - 12:52 PM

 

Brilliant thanks for this guys, If there is water getting into the coil pack? what could be the reason for this? 

 you bought a VX220 !  :gayfight:  the water works its way in on a wet day through the boot grilles and runs into the engine bay and ultimately into the holes.

 

 

Of course! ha Makes sense really! hm so just dry the coil pack out if this is the reason and all should be good? 



#13 g1977

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Posted 12 January 2018 - 02:34 PM

I had this on my car, checked all the coil pack etc, in the end it was a hairline crack in the spark plug and they had recently been changed. Whip them all out and check them carefully. I made sure I tightened them back with a torque wrench.

Good luck.



#14 MattMacc123

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Posted 12 January 2018 - 02:44 PM

I had this on my car, checked all the coil pack etc, in the end it was a hairline crack in the spark plug and they had recently been changed. Whip them all out and check them carefully. I made sure I tightened them back with a torque wrench.

Good luck.

 

a hairline crack on the spark plug its self? or the head? :) thanks! 



#15 g1977

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Posted 12 January 2018 - 02:47 PM

On the spark plug itself.Not the head - thankfully. 



#16 MattMacc123

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Posted 12 January 2018 - 02:57 PM

On the spark plug itself.Not the head - thankfully. 

 

Ah excellent, Thanks for this! il have a check at the weekend :) 



#17 Rosssco

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Posted 12 January 2018 - 03:40 PM

 

I had this on my car, checked all the coil pack etc, in the end it was a hairline crack in the spark plug and they had recently been changed. Whip them all out and check them carefully. I made sure I tightened them back with a torque wrench.

Good luck.

 

a hairline crack on the spark plug its self? or the head? :) thanks! 

 

 

Probably just water in the plug from sitting outside. Cyl.1 tends to get it the worst..

 

If it does end up as the cylinder head (here's hoping not) I have a cheap, low mileage cyl. head available (just needs cams)
 



#18 smiley

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Posted 12 January 2018 - 10:31 PM

 

 

Brilliant thanks for this guys, If there is water getting into the coil pack? what could be the reason for this? 

 you bought a VX220 !  :gayfight:  the water works its way in on a wet day through the boot grilles and runs into the engine bay and ultimately into the holes.

 

 

Of course! ha Makes sense really! hm so just dry the coil pack out if this is the reason and all should be good? 

 

 

The turbo had the same problem and they designed a deflector for that.
https://www.regelin-...over-turbo.html
It can be altered to fit the NA iirc.



#19 Rosssco

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Posted 13 January 2018 - 10:56 AM

Brilliant thanks for this guys, If there is water getting into the coil pack? what could be the reason for this?

 you bought a VX220 !  :gayfight:  the water works its way in on a wet day through the boot grilles and runs into the engine bay and ultimately into the holes.

 
Of course! ha Makes sense really! hm so just dry the coil pack out if this is the reason and all should be good?

 
The turbo had the same problem and they designed a deflector for that.
https://www.regelin-...over-turbo.html
It can be altered to fit the NA iirc.


Any info on that mod Smiley?

#20 g1977

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Posted 16 January 2018 - 04:29 PM

This was the plug on mine not water.

 

 

I had this on my car, checked all the coil pack etc, in the end it was a hairline crack in the spark plug and they had recently been changed. Whip them all out and check them carefully. I made sure I tightened them back with a torque wrench.

Good luck.

 

a hairline crack on the spark plug its self? or the head? :) thanks! 

 

 

Probably just water in the plug from sitting outside. Cyl.1 tends to get it the worst..

 

If it does end up as the cylinder head (here's hoping not) I have a cheap, low mileage cyl. head available (just needs cams)
 

 

 







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