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 Posted: Thu Apr 30, 2015 9:24 am |
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Joined: Jul 21, 2013
Posts: 165
Trade Rating: +1
Location: Stoke on trent
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I've had a problem with my 1.4 HDI for a while now and its gone into LIMP MODE and won't rev over 3000RPM, in fact its been like this for over 6 months but just ignored it.
I did some of my own checks including the turbo, air flow sensor and pipes etc for splits and all seem fine.
So I took it to the garage where they plugged into into the computer and it came up with the code (PO603) which is a faulty ECU where it won't store the memory and basically he said it could be a wiring problem or a faulty ECU.
I've disconnected the ECU today and can see a bit of moisture in the plugs anyway i've connected them all back up and started the car and it revved over 3000RPM for about 20 seconds then returned to LIMP MODE where it wouldn't go over 3000PRM anymore, its does this every time I disconnect the 3 plugs into the ECU.
Has anyone had this problem as just unsure to let the garage check the wiring which will be 1-2 hours labour or do i replace the ECU as you can get the full Kit for about £60.
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| Peugeot 206 1.4 HDI - July 2013 - Present | |
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Last edited by pug_206_uk on Thu Apr 30, 2015 2:16 pm; edited 1 time in total
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Posted: Thu Apr 30, 2015 11:00 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Have you checked all the battery connections, including the earths?
Check the alternator is charging the battery
You could try cleaning the ECU connectors with electrical contact cleaner.
First 2 are free and easy to do. 3rd one will cost about a fiver.
After that you start getting a bit more in depth and more expensive like checking continuity
If you have access to PP2000, you could try resetting the parameters as the car has forgotten the settings and is running on default values.
Do you have HIDs fitted?
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Posted: Thu Apr 30, 2015 2:23 pm |
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Joined: Jul 21, 2013
Posts: 165
Trade Rating: +1
Location: Stoke on trent
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Thanks for the help bud, I will check all the earths I do not have HIDs and do not have access to PP2000, The alternator is fine as never had an issue with starting it, starts 1st time all the time, I'm tempted to check all the earths and then buy a used ECU kit and go from there.
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| Peugeot 206 1.4 HDI - July 2013 - Present | |
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Posted: Thu Apr 30, 2015 3:39 pm |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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What year is the car?
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Posted: Thu Apr 30, 2015 6:02 pm |
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Joined: Jul 21, 2013
Posts: 165
Trade Rating: +1
Location: Stoke on trent
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| Steve206 wrote: |
| What year is the car? |
sorry 2003
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| Peugeot 206 1.4 HDI - July 2013 - Present | |
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Posted: Fri May 01, 2015 3:48 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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I'm sure the bsi is coded to the ecu and the locks. So might be more than just changing the ecu.
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Posted: Fri May 01, 2015 3:50 am |
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Joined: Feb 07, 2010
Posts: 2721
Trade Rating: +6
Location: UK
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Try running the car with the maf sensor disconnected. Is the engine light on?
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Posted: Fri May 01, 2015 4:51 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| Steve206 wrote: |
| I'm sure the bsi is coded to the ecu and the locks. So might be more than just changing the ecu. |
& the factory radio.
Add in the mileage is stored in the BSI so risk of tripping the anti clocking protection on the instrument cluster plus would a 2nd hand BSI be correctly configured for the equipment actually fitted to the car? 
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Fri May 01, 2015 6:45 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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| Steve206 wrote: |
| I'm sure the bsi is coded to the ecu and the locks. So might be more than just changing the ecu. |
Not so much the locks, but the immo chip. Ideally you need the ECU, BSI, immo chip, alpha numeric security code and V1N from the donor vehicle, then a friend with PP2000 to pair your existing remotes, code any new chips if you are only given 1 and sort the options in the BSI out.
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