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Author Diagnostic Results - FAO Rob B
James
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Registered: 1st Jun 02
Location: Surrey
User status: Offline
22nd Jun 06 at 10:14   View User's Profile U2U Member Reply With Quote
I had a diagnostic check done on my car this morning at a local garage. The guy called me up and said the fault it found can only be fixed at a main dealear because it could be a number of things.

I cant remember what he said the fault was but i'm pretty sure it began with E

Any idea what it could be and how much it's likely to cost?

Cheers

[Edited on 22-06-2006 by James]
Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
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22nd Jun 06 at 10:18   View User's Profile U2U Member Reply With Quote
EGR
a_j_mair
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Registered: 23rd Jan 04
Location: Scotland
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22nd Jun 06 at 10:21   View User's Profile U2U Member Reply With Quote
EEEK
James
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Registered: 1st Jun 02
Location: Surrey
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22nd Jun 06 at 10:30   View User's Profile U2U Member Reply With Quote
EGR sounds familiar, Ill ask when I pick it up, is that exspensive?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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22nd Jun 06 at 10:48   View User's Profile U2U Member Reply With Quote
just remove it
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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22nd Jun 06 at 11:09   View User's Profile U2U Member Reply With Quote
Exhaust Gas Recirculation Valve is the full name... as AK said just remove it and blank it off.

Rob B did a guide a while back but i dunno if that was for the x16xe
James
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Registered: 1st Jun 02
Location: Surrey
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22nd Jun 06 at 11:10   View User's Profile U2U Member Reply With Quote
yeah I was just reading Rob's guide actually, it didnt actually fix it for him though
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
User status: Offline
22nd Jun 06 at 11:15   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by James
yeah I was just reading Rob's guide actually, it didnt actually fix it for him though


you sure i think he had another problem after it, the o2 sensor?
3CorsaMeal
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Registered: 11th Apr 02
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22nd Jun 06 at 11:16   View User's Profile U2U Member Reply With Quote
ecoli
James
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Registered: 1st Jun 02
Location: Surrey
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22nd Jun 06 at 11:21   View User's Profile U2U Member Reply With Quote
pretty sure it was the EGR.

Sam, look at this post http://www.corsasport.co.uk/board/viewthread.php?tid=251237

Read a few posts down the reply from Rob where he said it didnt fix it

Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
22nd Jun 06 at 11:32   View User's Profile U2U Member Reply With Quote
Mine had the wrong ECU which is why it never fixed it for me, it was never the EGR in the first place just the ECU was showing that code, the guide is right and the correct way of doing it though
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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22nd Jun 06 at 11:40   View User's Profile U2U Member Reply With Quote
Wasn't the wrong ECU at all, just didn't seem to work right with your engine.
Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
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22nd Jun 06 at 11:43   View User's Profile U2U Member Reply With Quote
It was the wrong ECU for the age of my engine
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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22nd Jun 06 at 11:49   View User's Profile U2U Member Reply With Quote
does that guide apply for the x12xe?

Also rob did it not work because u still had the EM light on??? Cos i thought if you blank it off it stays on or something
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
22nd Jun 06 at 11:51   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Rob B
It was the wrong ECU for the age of my engine


The engine that ECU came from was a 1998 - S plate Tigra, I'm pretty sure they never changed ANYTHING on the X16XE from 1995 onwards.
Ry_B
Banned
Registered: 1st Dec 05
Location: Solihull, W Mids Drives: 45BHP beast!
User status: Offline
22nd Jun 06 at 12:15   View User's Profile U2U Member Reply With Quote
I take it the EGR does what the name suggests?

Won't blanking it off effect performance/economy?
dna23
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Registered: 1st Nov 04
Location: Northamptonshire
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22nd Jun 06 at 12:22   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ry_B
I take it the EGR does what the name suggests?

Won't blanking it off effect performance/economy?


Exhaust gas is routed back into the combustion chamber because the exhausted air is much hotter than the intake air (try touching a muffler sometime). By sending warmer gas into the combustion chamber, the air/fuel mix does not have to do as much work to heat up, and your engine runs more efficiently.


The design challenge The EGR system of today must precisely control the flow of recirculated exhaust. Too much flow will retard engine performance and cause a hesitation on acceleration. Too little flow will increase NOx and cause engine ping. A well-designed system will actually increase engine performance and economy. Why? As the combustion chamber temperature is reduced, engine detonation potential is also reduced. This factor enabled the software engineers to write a more aggressive timing advance curve into the spark timing program. If the EGR valve is not flowing, onboard diagnostics (OBD) systems will set a code and the power control module (PCM) will use a backup timing curve that has less advance to prevent engine ping. Less timing advance means less performance and economy. Do your customer a favor and fix those EGR codes that you may have previously deemed as unimportant.

[Edited on 22-06-2006 by dna23]
Edd
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Registered: 8th Nov 04
Location: Glasgow
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22nd Jun 06 at 12:32   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by dna23
does that guide apply for the x12xe?

Also rob did it not work because u still had the EM light on??? Cos i thought if you blank it off it stays on or something



no it wont or the x10xe

 
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