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Vauxhall Omega 2.0 XEV 1999 - Code P0340 camshaft sensor circuit - Fixed

Posted by George Ambelas on October 5, 2015, 2:52 pm

Year of Manufacture *: 1999
Engine Size and Code *: 2.0 xev
( Optional ) Scanner Used: superscan 2
( Optional) Fault Codes: p0340

hi everyone i have got this omega in with mil on and the fault code which will clear but will come back after the engine starts and the rev's are limited to 4500 i have scoped it and and get a similar waveform with ignition on and engine running this is the sensor with the fork and one bolt inside the cam belt cover i have replaced it with genuine but it's still the same it's got 3 wires 1 is the earth the middle is the signal but i don't know what the third wire should have it shows nothing with ignition on or with engine running. any ideas anyone?

Re: omega p0340 camshaft sensor circuit fault

Posted by Kevin Apps <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT2589' width='330' height='300' border=0 style='border:none;'> on October 5, 2015, 3:02 pm, in reply to "omega p0340 camshaft sensor circuit fault"
Kevin Apps

George

Have you done a forum search using P0340 ?

Kev.

Re: omega p0340 camshaft sensor circuit fault

Posted by andyhyoung <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5148' width='330' height='300' border=0 style='border:none;'> on October 5, 2015, 4:26 pm, in reply to "omega p0340 camshaft sensor circuit fault"
Andrew Young

Have you used the correct sensor.?If I recall,it is different to the cam sensor fitted to the Vectra xev engine.

Re: omega p0340 camshaft sensor circuit fault

Posted by george ambelas <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3245' width='330' height='300' border=0 style='border:none;'> on October 5, 2015, 4:38 pm, in reply to "Re: omega p0340 camshaft sensor circuit fault"
George Ambelas

thanks for the response yes it's identical

Re: omega p0340 camshaft sensor circuit fault

Posted by andyhyoung <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5148' width='330' height='300' border=0 style='border:none;'> on October 5, 2015, 9:17 pm, in reply to "Re: omega p0340 camshaft sensor circuit fault"
Andrew Young

I would assume this is running simtec system.The cam sensor is 2 inductive coils wired in parallel.What colour wires do you have at the sensor?

Fixed #

Posted by George Ambelas on October 6, 2015, 9:22 pm, in reply to "Re: omega p0340 camshaft sensor circuit fault"
Edited by board administrator October 8, 2015, 10:55 am

All good now fitted modified sensor and wiring from dealer £115 and light went out the sensor i got from from my local parts for £13 was the same make siemens and number but the GM logo was missing so was it really an original part or an imitation?

Re: Fixed #

Posted by Kevin Apps on October 6, 2015, 11:59 pm, in reply to "Re: omega p0340 camshaft sensor circuit fault FIXED"
Edited by board administrator October 8, 2015, 10:55 am

George

"all good now fitted modified sensor and wiring from dealer £115 and light went out"

Info which is in the archives if you had looked!

Kev.

Re: Fixed #

Posted by Peter Mashiter <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3935' width='330' height='300' border=0 style='border:none;'> on October 17, 2015, 10:34 pm, in reply to "Re: Fixed #"
Peter Mashiter

Surely the third wire is a 5v reference wire!

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