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Author Topic: Y32SE won't start (when worm)  (Read 2203 times)

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zYx

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Y32SE won't start (when worm)
« on: 12 May 2008, 00:23:38 »

Hi.
I discovered a problem with my omega today in France!
After about 200miles driving with aircon on, the engine wouldn't start after the stop over (5 mins)... As I didn't know what to look at, we were waiting for a miracle and after about 30-45 minutes the engine started, but later on I had to switch it off and it wouldn't start again. Another 30 minutes waiting and it was ok. Once we got to eurotunnel we stack again at the wating lanes and we missed 2 trains  >:( My car have beed towed into the train, and again once we got to Folkestone after 35 minutes the engine started as normal.
I've noticed that when the engine is running and I switch it off and on again it starts normally. I tried it few times when we got back home. I went back to my car 10 minutes later and it wouldn't start >:( 30 minutes later it started normally, well.. I had to turn it slightly longer.

P.S. The symbol of the car with a spanner came up once.

Do you know what it might be?

Thaniks in advance
« Last Edit: 12 May 2008, 00:40:32 by zYx »
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tmx

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Re: Y32SE won't start (when worm)
« Reply #1 on: 12 May 2008, 00:37:22 »

My X30XE MV6 used to do this and it was a naffed crank sensor used to not start if it was warm!
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Marks DTM Calib

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Re: Y32SE won't start (when worm)
« Reply #2 on: 12 May 2008, 08:39:16 »

Read the fault codes......press the brake pedal and the accelerator (to the floor) and turn the ignition on (dont start the car, just so the dash light come on).......now count the flashes on the ECU light.
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Dazzler

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Re: Y32SE won't start (when worm)
« Reply #3 on: 12 May 2008, 09:19:11 »

Quote
Read the fault codes......press the brake pedal and the accelerator (to the floor) and turn the ignition on (dont start the car, just so the dash light come on).......now count the flashes on the ECU light.
Is this a new found way of the paperclip test for the facelifts Mark??
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Jimbob

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Re: Y32SE won't start (when worm)
« Reply #4 on: 12 May 2008, 09:25:02 »

Yes, doesnt work on all though :(

zYx

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Re: Y32SE won't start (when worm)
« Reply #5 on: 12 May 2008, 09:28:16 »

Nope, didn't work in my car.. I'll try paperclip..
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Dazzler

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Re: Y32SE won't start (when worm)
« Reply #6 on: 12 May 2008, 09:33:11 »

Paperclip won't work on your car im afraid :(
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zYx

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Re: Y32SE won't start (when worm)
« Reply #7 on: 12 May 2008, 09:57:58 »

Quote
Paperclip won't work on your car im afraid :(


I've noticed but the brake/accelerator pedal way worked in the end (don't know what I've done wrong before) and it continously flashes. No error codes?
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Marks DTM Calib

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Re: Y32SE won't start (when worm)
« Reply #8 on: 12 May 2008, 10:06:22 »

Quote
Quote
Paperclip won't work on your car im afraid :(


I've noticed but the brake/accelerator pedal way worked in the end (don't know what I've done wrong before) and it continously flashes. No error codes?

Which also tends to sudgest a crank sensor failure is possible.
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Kevin Wood

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Re: Y32SE won't start (when worm)
« Reply #9 on: 12 May 2008, 10:08:06 »

Odd that there are no codes but when my crank sensor failed hot starting problems was the first symptom.

If your sensor is original (wire routed up with the oil cooler pipes) I would be inclined to change it or at least keep a spare in the boot. If it hasn't failed now it's due to.

Another thing to try is cranking it in "flood clear" (foot to the floor on the accelerator, which disables injectors) for a few seconds before trying to start normally. If the injectors are weeping a little fuel into the intake when parked up this will prevent the engine flooding.

Kevin
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zYx

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Re: Y32SE won't start (when worm)
« Reply #10 on: 12 May 2008, 10:15:15 »

I have replaced crank senson in my previous opel cars, but where is it in 3.2?

P.S. another problem, after the battery was disconnected the sunroof stopped working. What do i need to do? (I know what to do with electric windows,but not with sunroof) Eventually i'll check the fuse.

Thanks.
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Kevin Wood

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Re: Y32SE won't start (when worm)
« Reply #11 on: 12 May 2008, 10:18:14 »

Crank sensor is to the rear, passenger side of the engine block, down low next to the oil cooler. The connector it plugs into is behind the passenger side cylinder head. If you remove the scuttle panel access is easier. Have a look at the howto for crank sensor replacement. The new sensor cable should be routed up the inner wing by the air con / brake lines to avoid the heat.

Just cut the old sensor off and leave the cable in place as it's not easy to remove.

Kevin
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Dazzler

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Re: Y32SE won't start (when worm)
« Reply #12 on: 12 May 2008, 10:18:23 »

Fot he sunroof just push up on the rotory button and hold, it will go thriugh a reset sequence and then it will be fine.
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zYx

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Re: Y32SE won't start (when worm)
« Reply #13 on: 12 May 2008, 10:27:12 »

Quote
Fot he sunroof just push up on the rotory button and hold, it will go thriugh a reset sequence and then it will be fine.
I actually found out myself about it just now :D Thanks anyway ;)

Quote
Crank sensor is to the rear, passenger side of the engine block, down low next to the oil cooler. The connector it plugs into is behind the passenger side cylinder head. If you remove the scuttle panel access is easier. Have a look at the howto for crank sensor replacement. The new sensor cable should be routed up the inner wing by the air con / brake lines to avoid the heat.

Just cut the old sensor off and leave the cable in place as it's not easy to remove.

Kevin

Are you saying that I will need to sold the new sensor to the cut wire bit?
I understand how difficult is to remove the whole thing, it is a fkn hell  :o

Passenger side in my case would be the driver side? My car is left hand drive.
« Last Edit: 12 May 2008, 10:31:04 by zYx »
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Kevin Wood

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Re: Y32SE won't start (when worm)
« Reply #14 on: 12 May 2008, 10:33:06 »

Have a look:

Here: http://www.omegaowners.com/forum/YaBB.pl?num=1193589434

and

Here: http://www.omegaowners.com/forum/YaBB.pl?num=1174321688

You don't connect the new sensor to the wiring from the old sensor, just cut this off and leave the old wire disconencted. Then run the wire attached to the new sensor up the inner wing instead of around the back of the engine and close to the exhaust where the heat can damage it.  :y

Kevin
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zYx

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Re: Y32SE won't start (when worm)
« Reply #15 on: 12 May 2008, 11:38:55 »

The sensor is near the oil filter, does it mean I have to prepare myself to change the oil?
« Last Edit: 12 May 2008, 12:01:44 by zYx »
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Elite Pete

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Re: Y32SE won't start (when worm)
« Reply #16 on: 12 May 2008, 11:54:01 »

Quote
The sensor is near the oil filter, does it mean I have to prepare myself to chenge the oil?
No the sensor can be changed without disturbing the oil filter.
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zYx

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Re: Y32SE won't start (when worm)
« Reply #17 on: 12 May 2008, 12:05:10 »

Cool, and I have last question. If the problem is caused by the crank sensor, where should I get it from? Vauxhall garage or ebay?

Thanks.
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Kevin Wood

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Re: Y32SE won't start (when worm)
« Reply #18 on: 12 May 2008, 12:24:55 »

It's about 40 odd quid from Vauxhall with TC. About the same as EBAY and a few members have reported non-gen sensors failing very quickly so my choice would be a genuine sensor.

Kevin
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zYx

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Re: Y32SE won't start (when worm)
« Reply #19 on: 12 May 2008, 13:12:36 »

Can't find the connector. Where about is it?

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Elite Pete

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Re: Y32SE won't start (when worm)
« Reply #20 on: 12 May 2008, 13:17:13 »

The middle picture is the closest, you will have better access if you remove the scuttle panel  :y
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Kevin Wood

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Re: Y32SE won't start (when worm)
« Reply #21 on: 12 May 2008, 13:18:09 »

The connector is on a bracket behind the passenger (or driver's to you) side cylinder head. It shares the bracket with the multi-way connector that connects the fuel injector loom to the main loom, so follow the wire for the injectors out of the middle of the VEE and should find a bracket with a large 7 or 8 way connector and a smaller 3 way connector. The 3 way is the crank sensor.

Kevin
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zYx

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Re: Y32SE won't start (when worm)
« Reply #22 on: 13 May 2008, 09:50:54 »

I went for a test drive yesterday, and when I was about to drive from traffic lights the engine stopped.
The temperature was 90-91..

again, I had to wait around 30 mins and went straight back home.
Vauxhall garage will have a look at it to find a problem. Hopefully there're competent enough :P
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