1998 Toyota Prado

Engine Performance problem
1998 Toyota Prado 4 cyl All Wheel Drive Manual 300000 miles

prado just recently has lost power I have put new leads, plugs, fuel filter and have cleaned the air flow meter and I have been using injector cleaner periodically the only other thing I can think of is the muffler being partially blokced as the muffler has been ratling for quite a while about 50,000 klms if you could help I would be gratefull.

Regards Mark
December 5, 2009.

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