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P1290 Engine Trouble Code

P1290 Engine

When you check engine light came on code P1290 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 P1290 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

When your car's 'P1290 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.

P1290 Code Meaning :

P 1 2 9 0
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Ambient Air Temperature Sensor Circuit Low Cylinder 4 Contribution/Balance Fault Exhaust Gas Recirculation Sensor B Circuit High

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.

P1290 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1290 OBD-II Trouble Code Cylinder Head Temp Sensor Low Input is one of the definitions for the P1290; however your vehicles manufacturer may have a different definition for the P1290 code. Please check below for your specific P1290 code.

Reason For P1290 Code

The reason of P1290 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P1290 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.