P1243 Engine Trouble Code
When you check engine light came on code P1243 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1243 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1243 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
P1243 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Ambient Air Temperature Sensor Circuit Low||Engine Shutoff Solenoid Malfunction||Shift Solenoid E Performance or Stuck Off|
Regarding the P1243 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
P1243 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1243 OBD-II Trouble Code Second Fuel Pump Faulty or Ground Fault is one of the definitions for the P1243; however your vehicles manufacturer may have a different definition for the P1243 code. Please check below for your spec P1243 code.
Reason For P1243 CodeThe reason of P1243 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
P1243 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.