Code p1130 p1135 p1150 what are these ?
p1130= bank one sensor one, Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (sensor is located underneath near the firewall)
p1150= bank two sensor one, Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Directly behind the radiator)
p1135=bank one sensor one, Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank one sensor one sensors run around $206
More indepth explanation of scanner codes for 98 Toyota Camry
All of these codes are for a bad A/F sensor (O2 sensor) bank 1 sensor 1, nothing to do with spark plug of gas cap. Replace this sensor and your code will go away.