Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: jayjay29 on 15 October 2010, 08:36:46

Title: Not starting first time in the morning
Post by: jayjay29 on 15 October 2010, 08:36:46: Hi Guys,
Strange one my miggy for the pat 3 mornings hasnt started first time first turn of the key and she just turns over and seems to have no intention of starting same second turn of the key???
Third turn she fires straight away and is then fine all day. Only seems to happen after standing overnight??
Any help/ideas greatly appreciated.
Regards Jay
Title: Re: Not starting first time in the morning
Post by: Welung666 on 15 October 2010, 08:50:10: Do a paperclip test (see the link in my signature) and let us know if there are any codes stored.
Title: Re: Not starting first time in the morning
Post by: dad1uk on 15 October 2010, 08:53:43: I'm watching with interest......
Mine is doing this, not every morning though. Once it starts it runs perfectly. There are no faults showing though, Lee put it on his laptop.
Title: Re: Not starting first time in the morning
Post by: jayjay29 on 15 October 2010, 09:10:48: Ok guys will do a paperclip test and get back asap.
Jay
Title: Re: Not starting first time in the morning
Post by: jayjay29 on 15 October 2010, 09:33:04: Hi Guys.
Done the paperclip test it flashed a 12 and a 31 i didnt have the engine running so no fault codes??
Could it be a crank sensor on its way out??
Also i serviced the car about 3 weeks ago well oiul and oil filter.
Could that have anything to do with it??
Regards jay
Title: Re: Not starting first time in the morning
Post by: omegod on 15 October 2010, 10:55:04: Mine used to do this, it was an early warning that the crank sensor is on its way out. you may eventually get code 19 but at that point you are likley stranded on the moors alone in the dark ;D

If you don't have a spare I would get it changed, £50 ish from Vaux with a trade card if you have one and an easy job to do.
Title: Re: Not starting first time in the morning
Post by: bob.dent on 15 October 2010, 11:20:43: Stongly suspect crank sensor on it's way out - same symptoms I had on my last Omega. It will probably fail to start completely at some point although you can still bump start.
Title: Re: Not starting first time in the morning
Post by: TheBoy on 15 October 2010, 15:45:05: Given the temperature has plummetted over last 3 or 4 days, worth getting live data from CTS as well
Title: Re: Not starting first time in the morning
Post by: tango on 16 October 2010, 06:55:35: hi guys
my car has started doing the same, its happened all of a sudden
difficult to start first time but once started it will start again without problems
its not showing any codes
just wondering if you guys got your problems sorted by changing the crank sensor
if so where is it loctaed and is it hard to change on a 3.2
Title: Re: Not starting first time in the morning
Post by: zvi on 16 October 2010, 12:58:55: If you also have problems driving on low fuel. I suggest also to check fuel pressure, had the same problem at starting. solved by changing fuel pump
Title: Re: Not starting first time in the morning
Post by: tango on 18 October 2010, 02:08:32: hi guys
ok started to get a random misfire while driving it yestareday on cylinder 246
so i thiought it might be the coil pack
i changed it with a known working one but still no luck
am i coreect in saying it might be the knock sensor
if so where is it loacted any pics would be appreciated
Title: Re: Not starting first time in the morning
Post by: tango on 18 October 2010, 16:13:23: anybody
with any info please
Title: Re: Not starting first time in the morning
Post by: tunnie on 18 October 2010, 16:35:04: did you check the plugs for any oil / water?

Also what happens if you unplug the MAF sensor?
Title: Re: Not starting first time in the morning
Post by: harpersimon on 18 October 2010, 17:32:09: 100% Crank sensor. (ok 99% but thats where the smart money is) not expensive and easy to change without even removing the wheels. EXACT same on mine, fixed.
Title: Re: Not starting first time in the morning
Post by: tango on 18 October 2010, 21:34:36: Quote
did you check the plugs for any oil / water?

Also what happens if you unplug the MAF sensor?
no oil or water around the plugs
removing the maf makes it worse
Title: Re: Not starting first time in the morning
Post by: tango on 18 October 2010, 21:35:40: Quote
100% Crank sensor. (ok 99% but thats where the smart money is) not expensive and easy to change without even removing the wheels. EXACT same on mine, fixed.
will give it a try as ive got a car here wich im breaking at mo so have loads of bits
wich one is the crank sensor
Title: Re: Not starting first time in the morning
Post by: harpersimon on 19 October 2010, 23:15:47: Quote
Quote
100% Crank sensor. (ok 99% but thats where the smart money is) not expensive and easy to change without even removing the wheels. EXACT same on mine, fixed.
will give it a try as ive got a car here wich im breaking at mo so have loads of bits
wich one is the crank sensor

my comment was aimed at JayJay29, the originator of the thread - suggest you might want to start your own, but while you're here, the cranksensor is located next to the oil filter housing (on a V at any rate) - but I wouldn't recommend changing it for another second hand one - unless you can verify its integrity
Title: Re: Not starting first time in the morning
Post by: jayjay29 on 21 October 2010, 21:54:56: Hi guys seen to have sorted this its started first time all week.
After doing the oil change a couple of weeks ago i chanced the crank sensor had fouled with some oil during filter removal!
Took the crank sensor off it had oil all over it gave it a good clean put it back and she has started first time ever since. So until it does it again i will hold back on repacing the sensor.
Cheers Jay