Logo

P1549 Engine Trouble Code

P1549 Engine

When you check engine light came on code P1549 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 P1549 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

When the check engine light comes P1549 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P1549 Code Meaning :

P 1 5 4 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Engine Shutoff Solenoid Malfunction Ignition Coil A Primary/Secondary Circuit Malfunction

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P1549 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1549 OBD-II Trouble Code Intake Manifold Temperature Valve Vacuum Actuator Connection is one of the definitions for the P1549; however your vehicles manufacturer may have a different definition for the P1549 code. Please chec P1549 code.

Reason For P1549 Code

The reason of P1549 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a P1549 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.