Engine warning lights....oh no - Vauxhall Antara Forums
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post #1 of 20 (permalink) Old 11th June 2016, 20:38 Thread Starter
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Hello All,
Well only had the car three months and already it would appear i've got gremlins in the electronics.....


"2013 CDTi 4x4 12,000 on the clock


On three occcassions now, whilst travelling at 60 mph, in 5th gear down a long gradient, under engine breaking conditions, the dreaeded two yellow warning lights and audible dings appear
(reduced engine power and control indicator dash lights)


I dipp the clutch, put the vehicle in neutral and a slight blip on the accellerator and the lights extinguish and all is back to normal.


I have seen a couple of other such topics but none have been answered as to the cause and possible fix.....

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post #2 of 20 (permalink) Old 11th June 2016, 21:22
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Mine also does that !
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post #3 of 20 (permalink) Old 11th June 2016, 22:55 Thread Starter
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Any idea why it does it ?
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post #4 of 20 (permalink) Old 13th June 2016, 14:31
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Hi,


Had the same issue with mine, If memory serves I think I found it occurred at around the time the vehicle was a due to regen.


Had mine in to the dealers a number of times in regard to this problem, unfortunately they couldn't diagnose any issues with the vehicle.


Like you normally putting the car in neutral would extinguish the lights and return to full power mode.


Unfortunately on A dark rainy winter's night last year this wasn't the case, after exiting the decent and facing an immediate incline the vehicle was still in limp home mode which nearly resulted in a 40 ton Artic rear ending me as I never even had the time to switch the hazards on before the vehicle nearly stopped, very scarry indeed, it was not long after I got rid of the POS.


I wouldn't drive it till its sorted, like I say mine used to do it and 99% of the time putting it in neutral would extinguish the lights and return the vehicle to normal however on the one occasion it didn't it could have easily been a serious if not fatal accident................
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post #5 of 20 (permalink) Old 13th June 2016, 20:38
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What did the dealer do to fix it that time ?
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post #6 of 20 (permalink) Old 13th June 2016, 21:27 Thread Starter
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Thanks for the advice, did you manage to get it fixed before you got rid ?
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post #7 of 20 (permalink) Old 15th June 2016, 23:15 Thread Starter
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Could do with trying to get to the bottom of this no trace of any fault on the reader anyone got any ideas ?
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post #8 of 20 (permalink) Old 16th June 2016, 09:44
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I had a Sedona that did it never found out why . Have you tried when it loose power just take you foot off the throttle and put it back on and rev up see if it clears it .that was what I had to do it was ok till next time .did not touch the clutch only throttle

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post #9 of 20 (permalink) Old 16th June 2016, 10:28
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Two things come to mind here (1) turbo over-boost or (2)
sticking EGR valve.

Were you running the engine hard before lifting your foot to
go downhill? You may be experiencing a transient over-boost in which case the
ECU will generate warning light(s) but this is soft code and will not generate
a fault code to be logged in the system. Could be due to a number of things
including marginal boost controller / pressure switch settings.


Sticking EGR valve would cause the mixture going downstream
to the Cat to be wrong, generating a warning from the O2 sensors.


Of course it could be something else entirely.

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post #10 of 20 (permalink) Old 18th June 2016, 02:17 Thread Starter
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Thanks for the replies . Ive done a bit of questioning with a vauxhall mechanic who also suggested ts probably the EGR valve sticking... Anyway he recomended before any trips to the garage to try a few doses of red ex into the fuel tank over a few refils and to drive it a bit harder especially in the lower gears (higher revs between gear changes) to flush through the system.

Lets see if it makes a difference..... If not, is it a big job to get the valve removed and cleaned ? or if i need a replacement how much are we talkin ?


Thanks again
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