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How old are the sparkplugs? have you ever changed them and do you know what brand and type of plugs are fitted?
If the answer to all those questions is "I don't know" then take the engine cover off and check the condition of the coilpacks, leads and connectors. If all checks out then replace the sparkplugs.
To me it sounds like an ignition problem that is throwing up false sensor errors as an additional symptom. Saying that, the MAF error cannot be falsely generated so clean that as well.
If the answer to all those questions is "I don't know" then take the engine cover off and check the condition of the coilpacks, leads and connectors. If all checks out then replace the sparkplugs.
To me it sounds like an ignition problem that is throwing up false sensor errors as an additional symptom. Saying that, the MAF error cannot be falsely generated so clean that as well.
