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Discussion Starter #1
Cheeky question I know but its looking like the misfire on my 1998 156 v6 is being caused by the air flow meter (after trying all sorts of other things, much time and money!). Before I go and spend £150+ on a new one I would like to be able to confirm that this will fix the problem. Has anybody got a fully functioning one I can borrow or buy??? If I could borrow one I will know straight away if this is the problem and its just a simple 2 minute swap. I live near Settle in North Yorkshire or would happily travel to try. Can anyone help ???
Cheers
Chris
 

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lodgey47 said:
Before I go and spend £150+ on a new one I would like to be able to confirm that this will fix the problem.
suffering my own AFM woes at the moment...

Don't know if you tried this but some people say that cleaning the MAF by soaking in alchohol / electronics cleaner / evaporating solvent of your choice can improve matters somewhat. It may not fix completely but at least it would indicate the MAF is at fault if things improve.

This didn't really work for me... however disconnecting the AFM completely, than taking a drive showed some improvement - which I hope indicates the AFM is the culprit. Happily my local specialist has agreed to source the part for me to fit, and not charge me if it's not required ;) Might be worth a try with your local specialist? (I doubt a dealer would do it...)
 

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It depends on how bad your symptoms are.

I have my old one I replaced which caused no power over 5K revs but was ok up to there. Its not been cleaned but it could be to see if that improves it.

If yours is worse than that and you get no better offers then it could be worthwhile?

I live in Hull and work in Leeds, just off junction 3 of the M621.
 

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Discussion Starter #4
Chaps,

Thanks for the advie. I have tried cleaning the MAF with contact cleaner, carb cleaner etc but to no avail.

Chris, it would be a good idea to try your old MAF if that is OK. Initially my car had similar problems to yours ie misfire at 5000rpm. However this seems to be worse now so that it misfires at different rpm's but exactly when seems quite random. I have noticed that it's much worse when cold which makes me unsure if MAF is definately the problem!!!
Do you think it would be safe to post it to me given how delicate they are?
Cheers
Chris
 

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That still sounds like the MAF to me, although a quick check for air leaks and splits on the inlet side seems worth checking for because these by-pass the maf and can cause misfiring and poor running.

I have no idea how fragile they are but it doesn`t sound like you have such horrendous problems so mine may nat be any better than yours. Can you get your garage to fit a borrowed one - kind of sale or return? Quite a few will do that.
 

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Discussion Starter #6
Not sure, I'll ask the question but my nearest Alfa dealer is 40 miles away and the bosch diagnostic specialist I have been using doesn't seem over accommodating!
 
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