What is code P1404 mean?
What is code P1404 mean?
Many GM built cars have a tendency to have the ‘Check Engine Soon’ light come on as a result of DTC code P1404. P1404 is described as EGR valve pintle stuck open, which in most cases is a false alarm.
How do I fix code P1404?
The diagnostic trouble code is P1404. Repair info: You can remove the EGR and clean the valve and passages thoroughly with brake cleaner or replace the EGR valve with a new or salvage part.
Where is the EGR valve position sensor?
Mechanical EGR valve position sensors are mounted on the top of the EGR valve. EGR pressure sensors will be located close to the EGR valve as the exhaust gas hose must be connected to the sensor as well as the valve.
What does the p1406 GMC code mean?
The P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve. Cost of diagnosing the P1406 GMC code Labor: 1.0
When to clean the EGR valve for GM code p1406?
When code P1406 appears, the Exhaust Gas Recirculation (EGR) valve has failed. Cleaning the EGR valve can sometimes clear the code. It’s best to clean the valve before replacing the entire unit. Park the GM and allow the vehicle ample time to cool off, up to a half hour.
What does the p1406 valve pintle position code mean?
Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. What does this mean? The P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve.
How much does it cost to diagnose a p1406 code?
The cost to diagnose the P1406 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. How much do you know about cars? Engine Light ON (or Service Engine Soon Warning Light)