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Why would a td5 loose power and go into limp mode and the m and s lights up on dash board?
Wiki User
∙ 14y ago
Assuming you mean a Volvo Td5 engine (same as Ford,Landrover) then this probably means some kind of either a) wiring fault b) ECU (Engine Control Unit) failure or c) a malfunction of a motor or electrical component of some kind. Alternatively, this could genuinely mean you have a engine problem, such as a faulty Mass Airflow Sensor or Lambda Probe in the exhaust. Neither of the above is serious, but I would recommend visiting your dealer because really this is something that can only be fixed by them (such as resetting your ECU).
Wiki User
∙ 14y ago
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Answer 1 - Instrument Lights Operate IntermittentlyWithout doing a "hands on troubleshooting" of your vehicle, no one here can be certain of the specific location and cause of your problem. However, based on your question, I suspect that the cause is a loose connection in the circuit providing power to the instrument lights, or on the instrument panel circuit board itself.It is possible also, that the instrument panel dimmer switch is wearing out.Answer 2 -The dash dimmer switch or the headlight switch is the most likely problem.
