Omega Owners Forum

STMO123

Ex Member

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EM LIGHT
30. Jul 2006 at 19:27

Hi all. My engine management light has been coming on and off for the last few days(dont want to hear about your indicators, Fin). I went to Liverpool today and came back with all four wheels but the EM is permanently on now.

The car seems to drive perfectly normal. I think I read on another thread that when the EM light comes on the car goes into 'limp' mode. This doesn't seem to be the case. Acceleration is smooth and even right up the range(85-95mph all the way home today)
Am I right in thinking this is more likely to be a duff sensor rather than an engine problem?

Any thoughts would be appreciated as it's that time of year and we're off round the lake district in it next week. Dont want to give it to Vx cause they'll f**k me about and charge me the earth.

Cheers,Steve.

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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: EM LIGHT Reply #1 - 30. Jul 2006 at 19:27 Being a 2.5, you may be able to do paperclip test - post results here
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STMO123 Ex Member Gender:	Re: EM LIGHT Reply #2 - 30. Jul 2006 at 19:33 I've tried the paperclip test before and it doesn't seem to work. But, as I said, would the fault code displayed be a true fault or could the sensor be sending a bad reading?
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: EM LIGHT Reply #3 - 30. Jul 2006 at 19:35 Most likely a sensor, but you have to find which one, and you need fault codes for this. A 2000 car may not be OBDII/EOBD compliant...
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STMO123 Ex Member Gender:	Re: EM LIGHT Reply #4 - 30. Jul 2006 at 19:36 I'll try to explain myself better. Say the ABS sensor was duff and that was the code displayed. The ABS system would still be fine, just the sensor saying it wasn't...so the car would be OK to drive?
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: EM LIGHT Reply #5 - 30. Jul 2006 at 19:38 Nope, the em system has detected a problem (most likely with a sensor) and is GUESSING the signal. It needs resolving... Best case scenerio, it lets you down big time, worse case, it causes other probs - eg runs rich and damages cats...
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: EM LIGHT Reply #6 - 30. Jul 2006 at 19:39 STMO123 wrote on 30. Jul 2006 at 19:36: Say the ABS sensor was duff and that was the code displayed. The ABS system would still be fine, just the sensor saying it wasn't Incidentally, if the ABS telltale is one, the ABS system is disabled. Likewise with SRS...
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STMO123 Ex Member Gender:	Re: EM LIGHT Reply #7 - 30. Jul 2006 at 19:43 Cheers mate. Looks like a trip to Vx then(or a local with a tech 2)
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: EM LIGHT Reply #8 - 30. Jul 2006 at 19:44 Most independents should have some equipment for reading the codes...
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Taxi Driver Omega Lord Offline OOF Holly Dog Posts: 8413 Swindon Gender: Drives: Fiat Scudo 90 Multijet (whatever that means!)	Re: EM LIGHT Reply #9 - 31. Jul 2006 at 13:58 STMO123 wrote on 30. Jul 2006 at 19:43: Cheers mate. Looks like a trip to Vx then(or a local with a tech 2) Might be worth posting if anyone near you has got the cheapo tech2 as this should be able to read your codes and reset them Cheers
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Marks DTM Calib Administrator Offline Ex Member Posts: 25671 Northern Hemisphere Gender: Drives: Astra J, Mum Bus, Dexta Tractor, 108 DMU wip	Re: EM LIGHT Reply #10 - 31. Jul 2006 at 14:02 Try it again, it should work on your engine....remember, pins 4 and 6....
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STMO123 Ex Member Gender:	Re: EM LIGHT Reply #11 - 31. Jul 2006 at 17:45 I think my exhaust might be holed, sounds a bit like it. I'll get it checked out ( if I ever get time, I am soooo busy). Might be the lambda sensor.....I hope so.
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