Why does my Nissan Frontier have a p0400 code?
Some vehicle models are more prone to code P0400 than others. Have a technician check your vehicle immediately if you own a Nissan (especially Nissan Frontier), Mercedes Benz, Ford, Opel, or Subaru and your diagnostics show P0400. What are the Possible Causes of the P0400 Code?
How to fix the p0400 OBD-II trouble code?
What repairs can fix the P0400 code? 1 Replacing the EGR valve 2 Replacing a broken vacuum line to the EGR valve 3 Replacing an EGR temperature sensor or cleaning the carbon off of it to repair it 4 Cleaning carbon out of EGR tubes to intake manifold
What does it mean when your PCM says p0400?
If the PCM detects that there is insufficient exhaust gas being sent into the engine, code P0400 may be triggered. This means that the system is not recirculating exhaust gas under conditions that require EGR. Some vehicle models are more prone to code P0400 than others.
What does the code p0400 on the EGR mean?
Code P0400 is triggered when the EGR temperature sensor does not see a temperature change when the EGR is commanded to open. These sensors tend to get a lot of carbon buildup that causes them to lose sensitivity to the heat from the EGR gases.
What does the p0400 Nissan engine code mean?
P0400 NISSAN Meaning Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator.
What repairs can fix the P0400 code? 1 Replacing the EGR valve 2 Replacing a broken vacuum line to the EGR valve 3 Replacing an EGR temperature sensor or cleaning the carbon off of it to repair it 4 Cleaning carbon out of EGR tubes to intake manifold
Code P0400 is triggered when the EGR temperature sensor does not see a temperature change when the EGR is commanded to open. These sensors tend to get a lot of carbon buildup that causes them to lose sensitivity to the heat from the EGR gases.
How to get a quote for a p0400?
Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230. No more waiting rooms! Our mechanics will come to you to diagnose and fix the P0400 code. How can we help? Our service team is available 7 days a week, Monday – Friday from 6 AM to 5 PM PST, Saturday – Sunday 7 AM – 4 PM PST.