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Author Topic: ecu problem  (Read 2421 times)

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not technical

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ecu problem
« on: 08 January 2008, 17:16:13 »
Hi

I have a ecu problem i have tryed the paperclip test doesnt seam to work any ideas
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TheBoy

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Re: ecu problem
« Reply #1 on: 08 January 2008, 17:17:35 »
Is there a working bulb in the dash?

Any why do you think you have an ECU problem?
« Last Edit: 08 January 2008, 17:18:05 by TheBoy »
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Jay w

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Re: ecu problem
« Reply #2 on: 08 January 2008, 17:18:15 »
can you be more specific about the issue, bad running, no starting etc.

« Last Edit: 08 January 2008, 17:18:35 by jay_w »
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not technical

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Re: ecu problem
« Reply #3 on: 08 January 2008, 18:39:02 »
When i drove the other day the engine managment light came on, it then stutterd and latter on it came on again then cut out.  reset after i turned it off and on again
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Markjay

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Re: ecu problem
« Reply #4 on: 08 January 2008, 18:46:12 »
Quote
When i drove the other day the engine managment light came on, it then stutterd and latter on it came on again then cut out.  reset after i turned it off and on again

It could be a sensor problem, or fuelling, ignition, etc, but the ECU itself very rarely goes wrong... in order to be able to tell what exactly is the ECU complaining about, you will need to read the ECU fault codes. If you can't paper-clip it, try getting the car to someone with an engine code reader then post the codes here.



« Last Edit: 08 January 2008, 18:46:55 by markjay »
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TheBoy

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Re: ecu problem
« Reply #5 on: 08 January 2008, 18:47:31 »
So if you're not getting anything from paperclip test (some 4 pots don't do a 12), it was likely either interuption in fuel, or HT issue...
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Re: ecu problem
« Reply #6 on: 08 January 2008, 18:51:53 »
As the car is a -99, it has simtec 56.5 and doesn't show 12. No EML flashing is likely to be no stored codes. The other option is that you started the engine. Paperclipping doesn't work with engine running on simtec.
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Re: ecu problem
« Reply #7 on: 08 January 2008, 19:17:48 »
thanks it is a t reg 99 2ltr estate if that helps
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Re: ecu problem
« Reply #8 on: 08 January 2008, 19:37:22 »
You said the EML light came on whilst running, so there should
be code(s) stored.

As Magnul said, do the test again with ignition switched on but
engine NOT running.

You are looking for 4 digit codes.

10 flashes = 0 (Zero)
  ie. 0335  will be 10 flash, 3 flash, 3 flash, 5 flash.

Each code will be repeated 3 times.
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Re: ecu problem
« Reply #9 on: 09 January 2008, 19:10:15 »
after the paper cliptest now my batterys flat have i done something wrong?
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Re: ecu problem
« Reply #10 on: 09 January 2008, 20:43:29 »
Quote
after the paper cliptest now my batterys flat have i done something wrong?
no, unless you left ign on for ages...
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Re: ecu problem
« Reply #11 on: 09 January 2008, 20:44:03 »
charge battery back up, then measure voltage at 2.5k rpm...
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Re: ecu problem
« Reply #12 on: 09 January 2008, 21:19:34 »
What battery should be on the car
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Re: ecu problem
« Reply #13 on: 09 January 2008, 21:36:53 »
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What battery should be on the car
Varies, but normally 65 - 72Ahr
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Re: ecu problem
« Reply #14 on: 09 January 2008, 21:43:59 »
so i found on mine 063 43ahr
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