Help troubleshooting ECU check engine circuit
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Joined: Aug 2002
Posts: 2,028
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From: Comerio, PR, USA
Help troubleshooting ECU check engine circuit
I've got 2 P28 ECUs that won't flash the check engine light and the problem is in the ECU. Can someone give me some tips on where to look/test on the circuit board in order to troubleshoot this issue?
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