M52 2.8 - intermittent power loss and cutting out

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Lewy
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M52 2.8 - intermittent power loss and cutting out

Post by Lewy » 21 Oct 2013, 19:02

Been happening for a while now although it's doing it several times a week rather than just once in a while. Every now and then I get a total engine loss for a split second, like it's either fuel or air starved but then comes back to life, doesn't seem to matter if it's under acceleration or on over-run, just does it. Any thoughts? Defo needs new plugs but not sure if this would be anything to do with it?
Last edited by Lewy on 01 Dec 2013, 21:08, edited 1 time in total.

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The Cannonball Run
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Re: M52 2.8 - intermittent power loss

Post by The Cannonball Run » 21 Oct 2013, 22:51

Lewy wrote:Been happening for a while now although it's doing it several times a week rather than just once in a while. Every now and then I get a total engine loss for a split second, like it's either fuel or air starved but then comes back to life, doesn't seem to matter if it's under acceleration or on over-run, just does it. Any thoughts? Defo needs new plugs but not sure if this would be anything to do with it?
Hi Lewy

Had a similar issue with one of the old e34 2.5's, in the end a good service by a trusted indie sorted it......


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Lewy
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Re: M52 2.8 - intermittent power loss

Post by Lewy » 21 Oct 2013, 23:55

What kind of service mate?

I've yet to do the air filter or plugs but almost everything else on the car has been changed :thumbup:

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mr sideways
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Re: M52 2.8 - intermittent power loss

Post by mr sideways » 22 Oct 2013, 06:20

First look for a split in the big throttle body hose, if its ok then disconect the maf and see if it still happens.
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Lewy
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Re: M52 2.8 - intermittent power loss

Post by Lewy » 22 Oct 2013, 16:02

mr sideways wrote:First look for a split in the big throttle body hose, if its ok then disconect the maf and see if it still happens.
Would it not happen more regularly if it was that though mate? It's not predictable enough at the moment if that makes sense - although it is happening more often.

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spirit
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Re: M52 2.8 - intermittent power loss

Post by spirit » 22 Oct 2013, 16:12

Get the codes read first lewy but certainly check intake boot and maf first
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Lewy
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Re: M52 2.8 - intermittent power loss

Post by Lewy » 22 Oct 2013, 16:28

Will do mate ta, AK's got a code reader so will pop over later :)

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Lewy
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Re: M52 2.8 - intermittent power loss

Post by Lewy » 01 Dec 2013, 21:08

Quick update on this, my luck with cars hasn't got ant better and the Z is now cutting out in traffic as well. I've done some research and it looks like it can be common for the Camshaft sensor to go on these, anybody had much experience fitting this on the M52 engine? Looks fairly straight forward and I intend on doing it one of the days this week all being well.

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Re: M52 2.8 - intermittent power loss and cutting out

Post by Ngy » 01 Dec 2013, 21:36

I've done one sometime in the last few months... you'll need to remove the vanos solenoid.. the metal is pretty soft on these so be careful if you use grips or get the right size spanner. After that's off its only an allen head bolt holding on the sensor (I think). Pretty easy to do as long as the solenoid comes off easily.

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Lewy
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Re: M52 2.8 - intermittent power loss and cutting out

Post by Lewy » 01 Dec 2013, 21:42

Thanks James, much appreciated mate, hopefully this will resolve my issues :thumbup:

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