P1309 Engine Trouble Code
When you check engine light came on code P1309 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 P1309 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When your car's 'P1309 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
P1309 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Fuel Rail Pressure Sensor Circuit Malfunction||Cylinder 10 Contribution/balance Fault||Ignition Coil A Primary/Secondary Circuit Malfunction|
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
P1309 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1309 OBD-II Trouble Code Misfire Detection Monitor Not enabled is one of the definitions for the P1309; however your vehicles manufacturer may have a different definition for the P1309 code. Please check below for your specif P1309 code.
Reason For P1309 CodeThe reason of P1309 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.
Parts or components should not be replaced with reference to only a P1309 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.