JordyCarter
Member
Registered: 14th Mar 10
User status: Offline
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So today i brought my car to the garage (Corsa C 1.4 Exclusiv), problem was the EML light was just staying on along with this my fan would stay on resulting in the engine never heating up and lots of that mayo shite about, also when the eml came on it would sort of go into a 'safe mode'. Basically they told me its an electrical fault and i need a new ecu... does this sound right? or are they conning me out of £250?
I honestly thought it was the switch/sensor thing on the fan just playing up :s?
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D0NN3R
Member
Registered: 1st Mar 11
Location: Dunholme, Lincolnshire
User status: Offline
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Don't no much about corsa c but on a lot of cars the rad fan is controlled by the ecu now
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VegasPhil
Premium Member
Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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What garage? Not big on the C's but can't you get it plugged in firstly to diagnose the problem.
Corsa 2.0 16v Vegas - Sold
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
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theres a relay in the main fuse board that's switched by the ecu for the fan, this could be stuck. also it could be the ecu coolant temp sensor that's gone? think theres 2, one for ecu/fan the other for the dash gauge.
as said though, try some where else with a code reader. not un heard of to have ecu failure but more likely a sensor that's failed.
you say you have mayo in engine has the coolant dropped or engine oil gone up?
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
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pedal test not work on these?
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JordyCarter
Member
Registered: 14th Mar 10
User status: Offline
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Yeah i get mayo but loose no water im putting it down to the engine never heating up.
I tried the pedal test but it was insane trying to keep up with the flashes.
They have done it now anyway so il see if it works
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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quote:
Originally posted by JordyCarter
I tried the pedal test but it was insane trying to keep up with the flashes.
your looking for a 4 figure digit, it should flash the same 4 figure digit 3 times
10 flashes = 0
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JordyCarter
Member
Registered: 14th Mar 10
User status: Offline
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Now im being told that in fact im not getting a new ECU and its being reprogrammed? Surely its not a £250 job
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
User status: Offline
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Go elsewhere
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JordyCarter
Member
Registered: 14th Mar 10
User status: Offline
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Ive took it out the garage going to get it looked at elsewhere thanks for the help boys
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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you could get an ecu code reader for under £50 and do it yourself. 
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JordyCarter
Member
Registered: 14th Mar 10
User status: Offline
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Turned out not even to be the ECU and in fact the garage where either trying to rip me or just didnt know. It turned out to be that a sensor was replaced and the code not wiped so kept throwing up the eml.
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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trying to rip you off! first thing to do when doing diagnostics is to note any codes then clear them and try and reproduce the codes, ie a road test.
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