P0340 Camshaft position sensor circuit P0340 (M) No Cam Signal At PCM No fuel sync.
Trouble code P0645 means:A/C clutch relay control circuit
Codes P0344 and P0340 indicate issues with the camshaft position sensor or its circuit. To fix these codes, first, check the camshaft position sensor and its wiring for any damage, corrosion, or loose connections. If the sensor appears faulty, replace it. Additionally, inspect the related components and clear the codes to see if they reappear after repairs.
Trouble code P0340 means:Camshaft position sensor circuit malfunction
Trouble code P0340 means: Camshaft Position Sensor A Circuit (Bank 1 or single sensor)
Nice answer. For any vehicle, try looking up your codes here: http://www.obd-codes.com/trouble_codes/
Get your car to a shop to scan the codes. There are well over 100 different codes that can cause your Check Engine Light to come on.
You need a scan tool to read fault codes.
P0455 and P0452 have to do with fuel vapor leaks, will not cause a starting problem. P0340 is a cam sensor code. You need to diagnose for a failed cam sensor.
The computer has detected a malfunction. Sugest that you have it checked for codes. Could be anything from a cracked vacuum hose up to an internal engine problem.
Problem with the transmission. You need to have the transmission computer checked for codes to know a possible cause.
There are pages and pages of causes for a check engine light. You need to have it checked for codes with a scanner to know what to diagnose. After the repair you can clear the code with a scanner.
The P0300 code indicates random engine misfiring. The P0303 and P0304 codes indicate the cylinder #s where excessive misfiring is occuring.