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Author Topic: EMERGENCY HELP NEEDED PLEASE  (Read 9658 times)

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Nick

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EMERGENCY HELP NEEDED PLEASE
« on: 12 December 2006, 13:25:25 »
 :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'( :'(

HELP ME PLEASE.

went to the car this morning, turned the key. No starting, tried and tried and tried but no firing.

remote lock and unlock and try again, just turns over.

then get out of the car and lock the doors with the key and then unlock. try ignition and just turns over but no firing.

walk in the house, telephone dad to ask him to come and look today.

walk to the car turn the key starts as normal.

drive to station and wife takes car home.

turn off car go to restart and just turns over and over again.

i have no spark at the spark pulgs

i replaced the ht leads about a year ago and they were perfect. checked them and they are fine.

Please help me the omega is the only car i have at the moment


Cheers Nick  
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nixoro

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #1 on: 12 December 2006, 13:28:33 »
Sounds to me like a possible crank sensor failure or a sticking starter motor solenoid.

Has the Engine Management Light come on at any point maybe its worth reading the codes.

The paperclip test is in the guide section.  see below

http://www.omegaowners.com/forum/YaBB.pl?num=1152601768
« Last Edit: 12 December 2006, 13:32:42 by nixoro »
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Marks DTM Calib

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #2 on: 12 December 2006, 13:30:59 »
Crank sensor......if it was the starter motor then it wouldn't turn over.
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Salty

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #3 on: 12 December 2006, 13:32:02 »
don't think starter solenoid. Solenoid problems would mean no turning over or starter not engaging. Crank sensor is a possiblilty though.


Modify: Mark beat me to it
« Last Edit: 12 December 2006, 13:32:42 by salty »
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nixoro

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #4 on: 12 December 2006, 13:33:20 »
Quote
Crank sensor......if it was the starter motor then it wouldn't turn over.

Fair enough just an Idea :-[
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Nick

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #5 on: 12 December 2006, 13:35:17 »
would the crank shaft sensor stop the spark then, when the car started the engine management light went out as normal.
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nixoro

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #6 on: 12 December 2006, 14:02:57 »
Quote
would the crank shaft sensor stop the spark then, when the car started the engine management light went out as normal.

Crank sensor from what I have read in the past has been intermittent the best way is to run the paperclip test just in case any codes are present then go from there.
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bob.dent

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #7 on: 12 December 2006, 17:19:45 »
Quote
would the crank shaft sensor stop the spark then, when the car started the engine management light went out as normal.

Hi Nick, I'm no expert but I've had crank case sensor pack up on mine and symptoms are exactly the same. Sometimes engine used to turn over without firing, try again later and starts ok. Try push or tow starting it (if it's a manual) and chances are you'll find it'll fire up easily. Shouldn't be too costly to get the sensor replaced.
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I HAVE THE BODY OF AN 18 YEAR OLD.......I KEEP IT IN THE FRIDGE!

TheBoy

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #8 on: 12 December 2006, 18:47:18 »
My initial reaction is crank sensor.  Do the paperclip test to see what ECU thinks is wrong...
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sir moanalot

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #9 on: 12 December 2006, 18:53:54 »
did in read on here somewhere that (because of a starting problem) if you disconnect the crank sensor at the elec connection it will then start the car but be in limp mode? if so it may be a way to confirm the c/s is at fault? and also do the paperclip test to double check!! :-/
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yet another miserable day in rip off britain !!!

TheBoy

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #10 on: 12 December 2006, 19:01:31 »
Most of these cars won't run at all without crank sensor.  2.2 petrol seems to be the exception...
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Taxi_Driver

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #11 on: 12 December 2006, 20:34:28 »
Quote
Most of these cars won't run at all without crank sensor.  2.2 petrol seems to be the exception...

Agree with TB....2.0/2.5/3.0 wont start with the crank sensor disconnected......however a 2.2 definately will....anyone with a 2.6/3.2 upto disconnecting the crank sensor to see if it will start? To prove if its only a 2.2 will start without a crank sensor? It might take upto about 5 secs of cranking to start tho.....
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JasonH

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #12 on: 12 December 2006, 21:19:10 »
You've described the exact symptoms I had... and it was the crank sensor.

£50 for the sensor and 30mins to fix (as long as you can find the plug, it's a bit fiddly to get at). It may take longer if for example the wiper arms won't come off.
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Markjay

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #13 on: 13 December 2006, 00:24:30 »
According to my sources (well I looked it up on the Internet...) the Crank Sensor for the 3.0L was different than that of the 2.5L, but it is the same one later used on both the 2.6L and 3.2L.

Crank Sensor 2.6/3.0/3.2 Vx P/N 90540743:



Crank Sensor 2.5 Vx P/N 90492006:



Though strangely they both look the same....
« Last Edit: 13 December 2006, 00:25:24 by markjay »
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Alas, no more Omegas....

tunnie

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Re: EMERGENCY HELP NEEDED PLEASE
« Reply #14 on: 13 December 2006, 00:32:46 »
Quote
Most of these cars won't run at all without crank sensor.  2.2 petrol seems to be the exception...

I really must change mine!  ::)
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