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[terry paget]

Would deffo gather more info before you bounce into vx.
As stated already there could be a wiring issue underlying. Faulty new sensors do exist ofcourse, but its uncommon - doesn't mean you haven't got one, doesn't mean you have either.

Fair comment. This morning the car would not start, so I got it into the garage. I tried again to start it, again it just whirred away. I then changed the crank sensor, turned the key, and it started. I suppose I could put back the other sensor and try again. I shall not be in Wantage till next Friday, so there is plenty of time to make checks. I am open to suggestions.

hi Terry,
               am having very similar problems with my FL 2.6 MV6 .  .( see thread in electrical section)

Leaning towards some sort of connection breakdown to the ECU in my book . If the ECU tells the fuel pump relay not to kick in that would cause a non start & is something I had not thought of . but as said am now leaning away from crank sensor to an ECU or ecu not getting the crank sensor info pulses . Have a read of my thread in "electricals".

regards, Al

just a quick update Terry  . . .  .  after  new CS fitted etc. I removed both engine ECU multi connectors & the main loom connectors under the battery  & used electrical contact cleaner spray on all .  Unbelievable difference  . . .   car starts perfect , no sign of any cut out (as yet  . .a week now) but the biggest thing is how much smoother & more powerful the car is  . . .feels like a different car .

I always thought that this 2.6 was down on power since I've had it . . my last 2.5 seemed so much quicker but i put it down to it just being a 2.6 & that they were the least powerful of all the V6's.

seems like my problem is sorted  . . .hope your is soon as well        Regards  Al

Thanks, Al. I found the two round connectors behind the battery, but could not see how to unlock them. IT may be in the maintenance guides. Anyway, all seems to be well now, running on the pattern sensor.

[Shackeng]

This thread has made me feel very uncomfortable, as i have a spare OE sensor in the boot of the 3.2 for emergency use!

[Entwood]

This thread has made me feel very uncomfortable, as i have a spare OE sensor in the boot of the 3.2 for emergency use!

Snap ... 

[chrisgixer]

This thread has made me feel very uncomfortable, as i have a spare OE sensor in the boot of the 3.2 for emergency use!

Snap ... 

And me.

[terry paget]

Thanks for your concern, chaps. However, the 2.5 is very fussy about its crank sensors, and only the right one will do. Two are listed and were fitted, but this forum says only same as original will work satisfactorily.

I am impressed that so many of you carry spares around with you, and dismayed that you feel the need to do so. Also that you carry tools and have the skills to replace the wretched things.

[Entwood]

Thanks for your concern, chaps. However, the 2.5 is very fussy about its crank sensors, and only the right one will do. Two are listed and were fitted, but this forum says only same as original will work satisfactorily.

I am impressed that so many of you carry spares around with you, and dismayed that you feel the need to do so. Also that you carry tools and have the skills to replace the wretched things.

I've carried one for 5 years in this car, and 3 in the last one, without ever using it.... so they don't fail that often.... however .. it is one component that if/when it fails it stops the car dead. It only needs a torx head to change it, and all green flag vans have those .. but getting the CS is not going to be that easy.. so carrying one is a bit like carrying a spare wheel IMHO .. 

[terry paget]

Thanks for your concern, chaps. However, the 2.5 is very fussy about its crank sensors, and only the right one will do. Two are listed and were fitted, but this forum says only same as original will work satisfactorily.

I am impressed that so many of you carry spares around with you, and dismayed that you feel the need to do so. Also that you carry tools and have the skills to replace the wretched things.

I've carried one for 5 years in this car, and 3 in the last one, without ever using it.... so they don't fail that often.... however .. it is one component that if/when it fails it stops the car dead. It only needs a torx head to change it, and all green flag vans have those .. but getting the CS is not going to be that easy.. so carrying one is a bit like carrying a spare wheel IMHO .. 

Good thinking, Entwood. To change sensor at the roadside one needs a decent jack and ideally an axle stand, not items I intend to carry all the time. But the AA and the like carry them, and the torx spanner. Next question; will my spare 2.5 sensor also fit a 3.2, and will my spare 2.0 sensor fit a 2.2?

[Entwood]

Thanks for your concern, chaps. However, the 2.5 is very fussy about its crank sensors, and only the right one will do. Two are listed and were fitted, but this forum says only same as original will work satisfactorily.

I am impressed that so many of you carry spares around with you, and dismayed that you feel the need to do so. Also that you carry tools and have the skills to replace the wretched things.

I've carried one for 5 years in this car, and 3 in the last one, without ever using it.... so they don't fail that often.... however .. it is one component that if/when it fails it stops the car dead. It only needs a torx head to change it, and all green flag vans have those .. but getting the CS is not going to be that easy.. so carrying one is a bit like carrying a spare wheel IMHO .. 

Good thinking, Entwood. To change sensor at the roadside one needs a decent jack and ideally an axle stand, not items I intend to carry all the time. But the AA and the like carry them, and the torx spanner. Next question; will my spare 2.5 sensor also fit a 3.2, and will my spare 2.0 sensor fit a 2.2?

Probably not IMHO .. as there are loads of different part numbers

2.0 90493864, 90458251, 9174621

2.2 9148306

2.5  90492006, 90492061, 90540743

3.2 90540743

I had the "correct" one for my 2.5, it was unused and still sealed in its VX plastic bag with all labels/seals intact. When I got the 3.2 I asked - on the grounds don't ask don't get -my local parts bloke, whilst buying oil/filters/antifreeze etc if he would change it and he just said yes and did it ....  no charge at all ..