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[Varche]

MAFs do fail on early V6's if my 97 qualifies as early. My car kept stalling on a trailing throttle and approaching roundabouts etc. damned awkward in an auto.

It was the MAF. Bought a S/H one off the forum and it too didn't work on the car. Bought a new pattern one for about £38 off Ebay and car works fine. While I waited for it to turn up I drove it with the MAF plug disconnected or connected but in Sport mode. Worth trying it disconnected - easy job.

V

[Vmax]

Right - just took the plennum off and the pipe with the screw in it appears to have a piece of vac pipe missing. just above my finger, in the picture you can see a silver self tapping screw which is blocking a hole in a pipe running to the brake servo? I assume this is where the piece off missing pipe is supposed to go? Why would someone remove this???  :-/

[Vmax]

Anyone??

[Vmax]

Any Ideas on the disconnected pipe mentioned above?? :-/

[Kevin Wood]

I can only assume that it's the feed to the heater controls reservoir. All engine vacuum devices (multirams and SAI) were OK when we checked it over. TBH, I don't believe this is contributing to the stalling issue, although it's certainly something that needs to be investigated. :-/

Kevin

[Vmax]

Ok ta Kevin. Off to Vaux tomorrow to try and get an exchange Crank Sensor..  

[Vmax]

Still no joy, despite four different mechanics having a go! so i've booked it into Vaux next Wednesday. I hope they find the fault quickly though at £80 per hour!! 

[Kevin Wood]

Have you tried a new crank sensor?

Kevin

[Kevin Wood]

Might also be worth trying blanking off the EGR valve, thinking about it. It appeared to be working normally when Tech 2'd but if it's sticking open it might cause stalling.

Kevin

[Vmax]

Thanks Kevin, I have recently changed it over for a "known working one" off another car - No change  :-/

[johnnycboy]

Thanks Kevin, I have recently changed it over for a "known working one" off another car - No change  :-/

Although you say known working one, have you put that back on the original car it came off and tried starting.  Only reason I say that is if it was the original one it could have been damage in the transitional stage.  Did you try another paper clip test with the known good one in.