2014 camry automatic i4. 2.5L 155000 miles loss 50% aceleration. is catalytic converter very hard go above 50mph -60mph. and uphil.
mass air flow sensor is good (clean) 30/g when acelerate. spark plug changed , throtle body clean.
change oil ontime 5000 miles
4 wheel no sticky caliper checke.
car no stall no die suddenly.
car start fine in the morning
no po420 only 1 code p1604 i think not relay with the aceleration speedd.
is ok just change the top catalyic convert. first .or change both? botton will it get back power? top catalyic converter first
only 1 code p1604 i think not relay with the aceleration speedd
It certainly could:
https://www.engine-codes.com/p1604_toyota.html
You need to analyze the live data before throwing parts in the car.
Code p1604 has nothing to do with catalytic converters. Check you fuel and charging systems first as per this -
https://www.autocodes.com/p1604_toyota.html
as @yaser has pointed out.
