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Author Engine management light P0170
cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
2nd Nov 11 at 17:39   View User's Profile U2U Member Reply With Quote

Hey, my engine management light on my corsa b keeps comin on within 10 to 15 minutes of driving ! It's never done this before until I took it for it's mot and it needed a new cat and lambda ! Since I got it bk the eml has been playing up ! Could the new cat and lambda have anything to do with it ??? All replys welcome !

[Edited on 04-11-2011 by Ian]
cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
3rd Nov 11 at 12:31   View User's Profile U2U Member Reply With Quote

??????????
cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
3rd Nov 11 at 12:56   View User's Profile U2U Member Reply With Quote

just done the paper clip test and got 10 flashes then 1 then 7 then 10 ! does this mean the code is 0170
dragon2309
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Registered: 1st Mar 09
Location: Strood, Kent
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3rd Nov 11 at 18:59   View User's Profile U2U Member Reply With Quote

yes it does
Jed D
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Registered: 15th Mar 11
Location: Durham
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3rd Nov 11 at 19:31   View User's Profile U2U Member Reply With Quote

yes mate thats rite, only just been teaching myself about this today... paper clip test told me the same thing a 2k bit of kit did lol
check out topbuzz or something to find out what that code is for your engine
cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
3rd Nov 11 at 22:49   View User's Profile U2U Member Reply With Quote

Nice one lads ! Had a look on topbuzz and cnt seem to find my fault code anywhere ! Don't no what to do next ?? Any ideas ?
DanCobb
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Registered: 14th May 11
Location: Lewes/Brighton
User status: Offline
3rd Nov 11 at 23:17   View User's Profile U2U Member Reply With Quote

code 0170: fuel trim bank 1 malfunction
possible causes: intake leak, AIR system, fuel pressure/pump,

cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
4th Nov 11 at 07:02   View User's Profile U2U Member Reply With Quote

Thanks alot dan ! Could this turn out to be an expensive fix ? Will it do any harm to the engine ??
Ian
Site Administrator

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Registered: 28th Aug 99
Location: Liverpool
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4th Nov 11 at 07:14   View Garage View User's Profile U2U Member Reply With Quote

Just means the mixture can't be managed correctly because the ECU is trying to change the amount of air and fuel and the results aren't correct.

Basically something on the fuelling supply side or air - usually a leak - would cause it.

First thing to do is to idle it and spray brake cleaner around the intake, if any is taken in the engine should rev up because it's more flammable, which will give you clues to the leak.

If that doesn't work, fuel supply, filter, pump etc. are the next things to check. Poor quality fuel can also sometimes cause it.


Corsa B lap belts required
cleggy2020
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Registered: 13th Mar 11
Location: halifax
User status: Offline
4th Nov 11 at 09:01   View User's Profile U2U Member Reply With Quote

That's brilliant mate thankyou !! Could the lambda be a part of the problem ??
Jed D
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Registered: 15th Mar 11
Location: Durham
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4th Nov 11 at 09:08   View User's Profile U2U Member Reply With Quote

lambda is basically an oxygen sensor... when i had the oebd kit on mine last night we went through all the options on it and lambda came up... its flicks between rich and lean as it tells the ecu more fuel, less fuel...

not 100% but could have something to do with it, would check the above first though, id go for air leak tbh mate

 
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