Cannot get RPM's over 1500 after car warms up. No warning lights on, engine gets louder and sounds like low growling.
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2004 Nissan Quest Question: What causes engine bogging and loss of power in '04 Nissan Quest w/no warning?
Answer #1euromech December 11, 2011, 13:36Journeyman
It is not ease to diagnos a "modern"vehicle if there is no Check engine light on and that full of all kind of sensors.
But by the symptoms i would think a clogging catalytic converter that blowing back fumes to engine.
But i am just guessing. That would be best to take it to a professionl shop.
Answer #2PARTS GUY December 11, 2011, 18:11Master
What are the trouble codes. Get it scanned with a professional scanner not just a generic code reader.