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[Cav9_4]

Hi,had fault codes 15,31 and 73 on my 1997 2.5 v6,replaced coolant temp sensor which was the 15,replaced air flow meter with a known good one which leaves the 31,is it possible crank sensor has failed? i know this shows when reading codes without engine running,how much would a replacement sensor be? any help/adviced appreciated as getting deserate,she's been off road since mid november and missing driving it!! just can't keep using wifes pug 106!....Wayne

[TheBoy]

Hi,had fault codes 15,31 and 73 on my 1997 2.5 v6,replaced coolant temp sensor which was the 15,replaced air flow meter with a known good one which leaves the 31,is it possible crank sensor has failed? i know this shows when reading codes without engine running,how much would a replacement sensor be? any help/adviced appreciated as getting deserate,she's been off road since mid november and missing driving it!! just can't keep using wifes pug 106!....Wayne

31 on non running v6 is non conclusive....

[Cav9_4]

Thanks for reply,is it worth changing anyway just to eliminate,did have a spare,but its now in my dads...typical...lol

[Darth Loo-knee]

Thanks for reply,is it worth changing anyway just to eliminate,did have a spare,but its now in my dads...typical...lol

You haven't left any connectors off have you?

I left the ICV connector off and got a whole list of codes and the EML light was constantly on, as soon as I plugged the forgotten connector in the codes and EML light disappeared

[Marks DTM Calib]

31 indicates an in-correct signal.....so henc eits in-conclusive.

Does it start if you apply a small amount of throttle?

[Cav9_4]

Thanks Daz for reply,double checked all connections everything is plugged in and also checked if there're 'home'.Mark,doesn't start at all,only time it did fire up was when i wanted something out of the Omega and needed to get into the boot so i connected jump leads to our other car and thought i'd just try it.It started and i ran it for around 30 mins till she was warm,switched off again,she did restart,tried again following morning and back to square one,don't know if that points to anything

[Cav9_4]

31 indicates an in-correct signal.....so henc eits in-conclusive.

Does it start if you apply a small amount of throttle?

Just tried your suggestion of light throttle,also just changed fuel pump relay and checked fuse,still no go,when cranking the eml does go out,is this normal anyway?

[Cav9_4]

When i re-read the codes i still get 15,31 & 73,can these be removed so i can read codes again to see if they're gone...Wayne

[JamesV6CDX]

Check ths DIS connector is home....

[Cav9_4]

Thanks,will do that tomorrow,seems a shame to have it sat there,especially as i had to tax it last friday!

[Cav9_4]

Been out to Omega this morning,had a scout around to make sure nothing was off,checked the DIS connector,that was ok,'waggled' fuses in both boxes,anyway she started!,run her for about 20 mins till she got warm,turned off and restarted 4 times,but back to square one again,5th time no go , is this crank sensor signs?...Thanks...Wayne

[Cav9_4]

Had a look over Omega again this morning,still can't see anything obvious,could a crank sensor fail and not give a fault code...must have been a coincidence it starting yesterday!...any help/advice greatly appreciated...Wayne

[Cav9_4]

Think i'm going to bite the bullet and replace crank sensor,anyone any idea how much they are at dealers,my brother who works for SAF (Mapperley branch) says he can get me one for £25+vat,anyone tried these or are they a no no?...Wayne

[Marks DTM Calib]

Think i'm going to bite the bullet and replace crank sensor,anyone any idea how much they are at dealers,my brother who works for SAF (Mapperley branch) says he can get me one for £25+vat,anyone tried these or are they a no no?...Wayne

Should be fine.....and if it doesn't do the trick get it on ebay to recover your costs.

Make sure you route the wires as per the maintenance guide, makes it much easier to fit and keeps the wire away from the hot bits.

[Cav9_4]

Think i'm going to bite the bullet and replace crank sensor,anyone any idea how much they are at dealers,my brother who works for SAF (Mapperley branch) says he can get me one for £25+vat,anyone tried these or are they a no no?...Wayne

Should be fine.....and if it doesn't do the trick get it on ebay to recover your costs.

Make sure you route the wires as per the maintenance guide, makes it much easier to fit and keeps the wire away from the hot bits.

Thanks for that,starting to get depressed with it,keep repairing other peoples cars...and can't my own...lol