What is a P1491?
P1491 HONDA Description The EGR valve position sensor is built into the EGR valve and detects the amount of valve lift. The command value for the target valve lift is previously stored in the Powertrain Control Module (PCM) so that exhaust gas recirculation can be optimized according to driving conditions.
What does it mean when your Honda Accord says p1259?
P1259 specifically means that there is an issue with the VTEC circuit itself. Although, mechanical issues can cause the code to register as well. If you are unsure of the oil weight used in your Accord’s last oil change, this would be a great place to start.
What does the p1491 Honda engine code mean?
P1491 HONDA Meaning The Exhaust Gas Recirculation (EGR) system reduces Oxides of Nitrogen (NOx). NOx is generated by high combustion temperatures. The EGR system lowers peak combustion temperature by recirculating inactive exhaust gas into the air/fuel mixture, thus reducing NOx emissions.
What does DTC p0401 or p1491 mean?
If DTC P0401 or P1491 is stored, or if the engine hesitate or surges, clean the EGR port, install an EGR pipe kit, and clear the code. User Submitted Video What does this mean? Cost of diagnosing the P1491 HONDA code Labor: 1.0 The cost of diagnosing the P1491 HONDA code is 1.0 hour of labor.
P1259 specifically means that there is an issue with the VTEC circuit itself. Although, mechanical issues can cause the code to register as well. If you are unsure of the oil weight used in your Accord’s last oil change, this would be a great place to start.
How much does it cost to repair a Honda p1491?
Please try again later. The cost of diagnosing the P1491 HONDA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What does DTC p1491 stand for in Honda?
If this happens, the vehicle may hesitate or surge during light acceleration, and the MIL (malfunction indicator lamp)may come on with DTC P0401 (EGR insufficient flow) or P1491 (EGR valve insufficient lift). If DTC P0401 or P1491 is stored, or if the engine hesitate or surges, clean the EGR port, install an EGR pipe kit, and clear the code.
What does OBD 2 fault code p1259 mean?
What Does Code P1259 Mean? OBD II fault code P1259 is a manufacturer specific code that is defined by carmaker Honda as “VTEC System Circuit Fault (Bank 1)”, and is set on these applications when the PCM (Powertrain Control Module) detects a defect, malfunction, or failure in the electrical control/monitoring system of the VTEC mechanism on Bank 1.