Catalyst system efficiency below threshold(bank 1). Check for loose hoses(vacuum leak) intake and exhaust manifold(s) for air leaks and finally the catalytic convertor may need to be replaced. If the catalytic convertor needs to be replced check to see if it has any warranty remaining this is covered by Federal Government Regulations and comes usually with an 8years or 80000mile warranty.
The 2001 Toyota Corolla has 16 valves.
The 2001 Toyota Corolla has a 5-speed manual.
The 2001 Toyota Corolla has an inline 4 engine.
The 2001 Toyota Corolla is a gas-powered vehicle.
The 2001 Toyota Corolla has double overhead cam (DOHC).
The 2001 Toyota Corolla runs on regular unleaded.
The 2001 Toyota Corolla is 14 ft. 6 in. (174 in.) long.
The 2001 Toyota Corolla's turning circle is 32.2 ft..
The height of the 2001 Toyota Corolla is 4 ft. 6.5 in. (54.5 in.).
how do you remove a center console on a 2001 toyota corolla
The 2001 Toyota Corolla has a drag coefficient of .31 Cd.
wher is the door relay of toyota corolla 2001