Well, a lot depends on what is causing the P0340 Diagnostic Test Code (DTC) to set.
The Camshaft Position Sensor (CMP) is a pick-up coil mounted in the outer corner of the left cylinder head just below the valve cover (assuming your Camry is equipped with a V-6...you didn't say)
a one tooth signal plate is mounted to the outer camshaft. DTC P0340 sets when there is no signal recieved from the sensor by the Engine Control Module (ECM) either during engine cranking or engine running.
Possible causes are:
> Open or short circuit in CMP sensor circuit
> Faulty CMP sensor
> Defective starter
> Damaged cam signal plate
> Broken timing belt
> Internal ECM problem
Proper diagnosis required.
SOURCE: Error P0155
That code will not affect the drivability of the vehicle. The heater does just that: it heats up the oxygen sensor to operating temperature. You can change it yourself, raise the vehicle up, the sensor is the one on the passenger side, right after the exhaust manifold.
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SOURCE: Put a motor in my '97 toyota camry LE 2.2 4cyl.
02 sensor is defective... if the cam sensor did not work it would not run, try replaceing the 02 SENSOR...
SOURCE: code p1130 p0171
P0171- mens the MAF sensor is dirty and needs cleaned. You can get MAF cleaner at your local auto parts store. The MAF is located in the air intake just after the air filter
P1130- is more than likely a result of the previous code. It is in regard to the feul/air mixture ratio. A dirty MAF can cause this code.
Also, if you are using an aftermarket oiled air filter, it would be the cause of the P0171 code.
SOURCE: have p0130 and p0133 codes 98 toyota tacoma
I would check the O2 sensor, and if it checks bad, replace it, and clear the trouble codes. If the light comes back on, you may need to check further. .
SOURCE: Understanding trouble codes for my vehicles
first the quest, this is common for nissan, replace the knock sensor, this sensor is located under the intake manifold rear of engine, some models you can sneak sensor out without removing the intake, this will take care of that car. now the camry, im guessing this is a 4 cylinder engine, replace the air fuel sensor (oxygen sensor) thats on the exhaust manifold. this will solve that problem. hope this helped.
Testimonial: "Thanks for your help. This should give me what I need to take care of this."
P0141....O2 Sensor Heater Circuit (Bank 1 Sensor 2)
P0142....O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)
P0143....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)
P0144....O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)
P0145....O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
P0147....O2 Sensor Heater Circuit (Bank 1 Sensor 3)
P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
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