Overall idle cannot be adjusted mechanically because Camry uses electronic fuel management. If your idle is irregular or very low, you need to check the air filter whether it's plugged, idle control valve (use throttle body cleaner), throttle position sensor and EGR valve (you might have to clean it too).
PS: before to start check ECU codes.
The 2002 Toyota Camry has 16 valves.
ac ligting flaxing on 2002 toyota camry
The 2002 Toyota Camry is a gas-powered vehicle.
The 2002 Toyota Camry has an inline 4 engine.
The 2002 Toyota Camry has a 5-speed manual.
Toyota Camry does not have adjustable valves. If valve clearance is not proper you need to replace the valve shims with appropriate sizes (usually different for each valve).
The 2002 Toyota Camry has a drag coefficient of .28 Cd.
The 2002 Toyota Camry runs on regular unleaded.
The 2002 Toyota Camry has double overhead cam (DOHC).
The 2002 Toyota Camry's turning circle is 34.8 ft..
The curb weight of the 2002 Toyota Camry is 3086 lbs..
The 2002 Toyota Camry is 15 ft. 9.2 in. (189.2 in.) long.