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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Lots of error codes. Need help diagnosing root cause.Views : 4233 Replies : 25Users Viewing This Thread : |
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Sep 22nd, 2018, 15:32 | #9 |
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Last Online: Apr 12th, 2020 13:25
Join Date: Jan 2016
Location: Neath
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I disconnected the battery then gently cleaned the CEM pins with a very small nylon brush after spraying with contact cleaner, left overnight to dry then reconnected everything.
The terminal pins and sockets looked spotless before I did this with no sign of corrosive product but cleaned anyway. Car starts OK. Idles briefly at 2000rpm then drops to usual 1000ish Check engine light is on while engine running. Will it generally do that for a while after cem has been disconnected until it recalibrates? |
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