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C4 - DS4 Owners :: Forums :: C4 Picasso and Grand Picasso - PRE 2013 only :: C4 Picasso and Grand Picasso General questions

ECU testing

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Author Post
Fri Sep 16 2022, 04:28pm
Member No: #59740
Joined: May 29 2022
Location: Doncaster
Can anyone recommend a company that can test and repairs ecus for the c4 grand Picasso? I have a flat spot and misfire after deceleration or cruising. I sent the ecu for testing to a company in Derbyshire which is usually very good but didn't have any compatible software ( or hardware ) can't remember which, to test it. They were very [professional and sent it back at no charge, not even postage. However, I'm still left with the same problem and after ringing around I can't find anyone who can promise they can test it. One company said for £140 they will test it and return it if it's not faulty £300 plus vat if faulty but I don't know anyone who has used them so I'm looking for a company that has a good track record with this ecu.
Sat Sep 17 2022, 03:06am
Member No: #27768
Joined: Oct 13 2012
Location: Hove
I would put my money on the EGR valve if it's a flat spot

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