Engine Management YELLOW warning light has come on --162,500 km-- during 500 mile journey,
and stayed on. Vehicle previously no problems. No loss of power/ acceleration.
However, day after journey, --on Startup, Engine has tinny/rattle noise. Any idea as to what the problem is? As no previous EM Warning Light problem, I suspect LamdaSonde--not Cat--but that doesn't account for sudden Engine noise!
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