I parked up for an hour or so and then when i came back out and started the car the lambda light stayed on and has been on everytime I have drove it. I disconected the battery for a few hours but that didn't work but can't understand why it came on as it was only 0 degrees but never happened before.
any ideas as I do have another ecu so could plug that in or just make a flash code reader as it's a 96 with obd under coin tray and try to find if any codes have come up. I have a spare ecu, maf, bcs so could try them if needed and have replaced all the vacuum lines a while back and checked them and they all seems to be on and car runs and drives fine so don't think it's a boost pipe or vacuum pipe gone as still makes 14psi on mbc.
any ideas would be much appreciated.
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