What causes a P0184 code?

P0184 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a P0184 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P0184 active.

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

OBD-II

P0184

P0184 Fuel Temperature Sensor Circuit Intermittent

What it means

The Engine Control Module (ECM) detects an erratic or intermittent signal voltage from the fuel temperature sensor that does not follow normal expected operating parameters.