and again!

[LukeVXR]

another problem.. car has completly lost all power spanner light comes on tried turning it off through dashhawk goes off for a while but still all power is gone showing 0 boost on gauge... sometimes all power comes back for a few mins but goes again

back to vx again

[Brano]

ops... thats not sounds nice to me, hope that you can sort that soon... let us know...

[vxr bad boy]

amm this time then

[LukeVXR]

amm this time then

is there any other symtoms when the amm goes? i thought i read it makes the car difficult to start

[vxr bad boy]

power loss, flat spots, rough idling

[gizbod]

these must all be linked to one problem...surely. good luck Luke

[vxr bad boy]

a quote from thorney on another thread:

Firstly an air mass meter is essentially a plastic tube that sits just after the airbox which has a wire passing through it that is connected to the cars ECU. This wire has a voltage passing through it. In simple terms (I am simplifying) the voltage passing through this wire is used by the cars ECU to control the fueling of the vehicle. Bascially its a pretty simple piece of equipment which sits right after the air box and filter and just has air passing through it. There are no mechanical parts its just a wire in a plastic tube.

AMM's are a very common failure point on all cars not just Vauxhalls, indeed its such a common failure that its almost worthy of a joke in some fields, when the Audi TT came out it wasn't unknown for cars to go through 4/5 a month until Bosche eventually created an upgraded item and Audi recalled them. However they shouldn't fail that commonly and at over £120 each its not something I would consider disposable.

To diagnose the failure of an AMM is relatively simple. Its an electronic part and if they fail they usually flag up an error code - its not rocket science. However we have found that they can show indications of failure without an error code being present sometimes but the fault is manifested as a stutter in power delivery, change the AMM and run the car three/four times the stutter disappears.

As they are simple bits of kit (there isn't exactly a whole lot that can go wrong with them) the cause of failure is pretty simple. Firstly they can be faulty and on a standard car this is all covered under vauxhalls warranty. But all this item does is sit in airflow if you modify the air flowing over it (ie change the standard paper filter with an after market one) the quality of that airflow is changed. All filter manufacturers (doesn't matter who) give all kinds of claims over how much extra power they give (typically none by the way) and they do this with grand claims of saying their filters allow more air through than a standard filter in other words the after market filter is chanign the air going over the AMM, asa result Vauxhall are pretty specific that if the AMM fails on a car with an after market airfilter then it is not covered under warranty.

[Brano]

is there any other symtoms when the amm goes? i thought i read it makes the car difficult to start

when me amm was written off - have problem that have to start car - and after first start the car snuff - need to press gass little bit, or start it second time... that all the time when was starting car

[LukeVXR]

so far i need a new ECU which is not being done under warrenty as apparently i have a different fuel line in the car WTF??? they havent really explained whats going on properly yet need to ring back after 2o clock

they seem to think i have had the car remapped, which i havent
there also blaming it on the dump valve as they know i had one fitted in the past

[miniman]

If dealers 'think' that the problem could have been caused by a remap, they will try to bluff there way by blaming it on that, to see if you will confess to having a remap, stand your ground and answer no, they expect you to say yes.

[ray vxr]

Sorry to hear you have another problem luke but once the dealer knows you have modded your car in anyway they will use that against your claim.I know this as I am £6000 down now.Hope you get it sorted.

[James_VXR]

Sorry to hear you have another problem luke but once the dealer knows you have modded your car in anyway they will use that against your claim.I know this as I am £6000 down now.Hope you get it sorted.

What happened to yours

[vxr bad boy]

What happened to yours

he had a downpipe fitted, he suffered from a shattered turbo and engine etc due to modification, vaux voided warranty

[Brano]

he had a downpipe fitted, he suffered from a shattered turbo and engine etc due to modification, vaux voided warranty

6K for new engine with work ????

[vxr bad boy]

6K for new engine with work ????

new engine, turbo, intercooler i think.. inc fitting