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Old 30th May 2010, 20:43   #1
suzublu
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Ok, story is,Russ very kindly ran a t4 session on my car on Friday,prior to me going to Falkirk,no problems,ran great.On the way home,the yellow engine symbol came on,so we stopped & had a look around,nothing obvious,as the car was running no differently to the journey up,decided to continue.Got home with no problems.any ideas? i,ve pm,d Russ but as yet i,m waiting for a reply,so any extra input would be appreciated.
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Old 30th May 2010, 20:46   #2
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If it was a diesel I would have some ideas but on a 1.8 a bit lost for this fault I'm afraid.
Another T4 session could well be in order.
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Old 30th May 2010, 20:49   #3
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the illumination of the MIL could have nothing to do with the T4 session.

did you experience a slight missfire this is enough to illuminate the light..very sensitive.
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Old 30th May 2010, 20:51   #4
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Thanks,yes,i,m flummoxed as well,which is why i,ve sent a message to Russ to see if the t4 session had any thing to do with it, & if he could do another.Hope springs eternal!Great trip to Scotland anyway.
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Old 30th May 2010, 20:53   #5
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Quote:
Originally Posted by pab View Post
the illumination of the MIL could have nothing to do with the T4 session.

did you experience a slight missfire this is enough to illuminate the light..very sensitive.
Hi Paul,no discernable misfire before or after t4.Noticed your absence by the way!
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Old 30th May 2010, 21:00   #6
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Nothing to do with a T4 session,
I was indicating that a T4 session again, may show the reason for the MIL light if no obvious fault condition.
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Old 30th May 2010, 21:05   #7
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Quote:
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Nothing to do with a T4 session,
I was indicating that a T4 session again, may show the reason for the MIL light if no obvious fault condition.
Oh yeah,sorry. Catch on eventually. Been a long day.
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Old 31st May 2010, 13:05   #8
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Quote:
Originally Posted by suzublu View Post
Ok, story is,Russ very kindly ran a t4 session on my car on Friday,prior to me going to Falkirk,no problems,ran great.On the way home,the yellow engine symbol came on,so we stopped & had a look around,nothing obvious,as the car was running no differently to the journey up,decided to continue.Got home with no problems.any ideas? i,ve pm,d Russ but as yet i,m waiting for a reply,so any extra input would be appreciated.
i would say it is the coil packs ht leads and or spark plugs,having had the same with my car when i first got it ,by changing the coil packs and plugs it sorted out the light and was a much better drive
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Old 31st May 2010, 13:25   #9
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Mine has a habit of coming on for no apparent reason-usually when on the motorway. No change in performance for me either. I knock it off with a code reader and just wait until it happens again. Been thru' 2 MOTs so I'm not too concerned. Guess I'll sort it one day. But another T4 should show the fault for you.
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Old 31st May 2010, 15:54   #10
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Well,you wouldn,t believe it! went to see Russ again today & guess what? the b...... light went out!So Russ did another t4 check & the conclusion was that on the trip to Scotland through a monsoon, water must have got in to one of the 0xygen sensors,causing the symbol to illuminate.Consequently,as i went through a certain number of stop/start conditions(which apparently cancels the symbol) couplrd with the car drying out, the light went out! No faults on the t4,the car is running perfect.So big thanks again to Russ & moral is (for me) don,t panic! & don,t go out in a storm.
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