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[CaptainZok]

IIRC a code 19 means incorrect crank sensor signal recieved, meaning it's faulty.

[hotel21]

IIRC a code 19 means incorrect crank sensor signal recieved, meaning it's faulty.

If the engine's not running then would it not throw this fault anyway??

[CaptainZok]

IIRC a code 19 means incorrect crank sensor signal recieved, meaning it's faulty.

If the engine's not running then would it not throw this fault anyway??

I thought a 31 was a signal not recieved as is normal when stopped but a 19 was an incorrect signal pointing to sensor failure TB will know for sure.

[Geoff 2]

Went out this morning and guess what yep stalled again in a most inconvenient place. Try restarting and the engine would not start. called AA and when he connected his diagnostic kit the A A fault code showed P0725+ (Engine speed input circuit -possible crankshaft sensor. AA towed me home and I was told that whne the engine cools down the engine may start. Just tried it and it did sart up with no problem. Looks like a visit to the Vauxhall dealer, to have the Sensor replaced because due to work commitments this week unable to do the job myself.
Rob hope this will be of help to you, the only thing I can think of if your car will not start is to have the car towed.  
 Many thanks to all who pointed me in that direction.
Geoff

[Geoff 2]

As expected, the car didn't start this morning ! Lots of starter motor, but not firing !

Have  done the 'paperclip test, which showed code 19 - Crank Sensor and Code 73 - MAF.

The Crank sensor is still under warranty...............but I need to get it there ! Any ideas on part numbers for the MAF (I've got one number 281002184 - but this shows as being for a 2.6) ?

Don't think the MAF would prevent starting, but may be wrong. Will see if there are any leaks around the MAF, but my money is on the Crank Sensor ........................... again !!!!!

Any other suggestions ?

Isn't Code 73 the "Airflow Sensor (AFS) Low Voltage?

[TheBoy]

19 = knackered crank sensor  (31 is the inconclusive crank sensor one if not running).

MAF faults often get thrown when there are other errors, fix the crank, then see.

Crank sensor may have failed if its touched exhausts, or run up original route but not properly secured....

[rob.b.666]

Strangely, I didn't get the 31 code, even though the engine wasn't running.

Have a feeling they've routed the Crank Sensor wiring somewhere iffy, as it's not even 6 months old yet !

[TheBoy]

Strangely, I didn't get the 31 code, even though the engine wasn't running.

Have a feeling they've routed the Crank Sensor wiring somewhere iffy, as it's not even 6 months old yet !

You have a 19 instead.  If a v6 ain't running you will get a 19 (knackered sensor) OR a 31 (inconclusive)...

[rob.b.666]

Had to get RAC out to tow me to garage. He thought it was out of fuel, as it nearly went when he put a load of cold start down the intake.

Put some fuel in on the way and it started. Was just about to say 'told you so', making me look silly, when it cut out, whilst idling by the pump !

He'd earlier got the same codes and reset, then re-read them again - same story.

Car is now parked outside garage, with copy of receipt for original Crank sensor on seat !