Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: Richard A on 15 July 2009, 16:40:42
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Battery wizzing the engine over, all the dash lights are on but will not fire-up, checked lots of connectors still no go :( :(
Any help.
regards
Richard A
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Hey Richard,
I suppose you already had a go at the spark plugs and HT leads? Is the engine cranking properly?
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Yes all seems normal !!!!!!
Thanks for the reply
regards
richard a
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Pull a plug....
Are you getting a spark?
Is the plug wet?
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What engine do you have? what year car? and have you had any work done to the car recentlly. We need a few more details from you to be able to be more helpful mate.
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Do you have any codes?
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Sorry I did have the details on the site going back in time, anyway 1998 2.5 petrol Elite auto saloon, 158000 miles.
Checked for codes, apart from 12 & 31 the main problem is 73 - Mass Air Flow Sensor Voltage Low, what next - clean it, replace it, shake it, shout at it :-/ :-/
regards
richard a
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Hey again Richard.
I suggest that before you go about changing parts, you have a look at the fuses both under the bonnet as well as under the steering wheel. Check if you getting a spark when you pull out a plug, check if any plugs are wet. and yes, not to forget check if the engine is getting fuel.
HTH
Ziad
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Maybe worth saying at this point that this has happened 4 times since I replaced the radiator in May, the difference is in the past the car has started after being left for an hour. Plus since then the car has covered 2,500 mile and not missed a beat.
Help what have I done ?
regards
richard a
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Just a long shot but could it be a crank sersor on the way out.
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Immobiliser? But I thought this brought up a flashing light.
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Hi richard hence my question earlier, have you had any work done recently to your car , although they are not related we do need as much info as poss to help you.Still we move forward now, and your post stating that it started after an hour suggestes to me that sp3.2 is on the correct tack here with regard to the crank sensor starting to break down. Start with getting this changed as soon as poss or it will fail compleatly just when you dont need it to. God luck and post up your results. Gary. :y
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Update !!!!
Checked & cleaned MAF, also connections.
Removed 1 & 3 plugs, both dry, no fuel (or oil), disconnected both feed and return fuel lines while turning over engine - no fuel. Replaced no 18 fuse, pump still no ticking, away to see if there is a relay.
Any thoughts, please.
regards
richard a
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My thoughts would whole heartedly be with the crank sensor...as said immbiliser would flash the eml...code 73 and/or 74 are common red herring codes when the crank sensor goes :y
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If the crank sensor is bad it will stop fuel going to the cylinders to protect the cats from being contaminated with unburnt fuel SO crank sensor first stop.
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Yep as Gary says :y
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Current 'crank sensor ' fitted 9th May 2007 - 117,500 miles. So yes it is 40,000 miles and 2 years old, will check No 20 fuel relay first then replace 'crank sensor'.
many thanks
regards
richard a
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Engine will start :y
£51.47 for a new Crank Sensor, problem sorted.
Expected them last longer than two years, the original one lasted 9 years.
Many thanks for everyones help, great forum.
regards
richard a
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Bloody crank sensors eh? We should all keep spares - seems like 99% of all problems with Omegas start with the crank sensor
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That,s good news :y :y also thank you for the tip afew months ago about how to get the seat belts clean and carpets in the car ...been using the1001 shampo product and it has worked great :y :y. Like new untill my sons sticky fingers get to them again ;D ;D
Steve
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Just to be sure, did you get a gen Vaux one and was it routed away from heat sources as much as possible?? :y
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Yes from a Vauxhall dealer, who are ok for spares and yes away from the exhaust. Dead easy to change this time as the connector was insight, not at the back of the engine. Out of interest both of the GM ones I have bought were 'Made in France'.
Steve '1001' every time :y
regards
richard a
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Good good :y And away from the oil cooler pipes that Vauxhall place them between when fitted in the factory???? :y