How to Fix JEEP P0400 Engine Code in 3 Minutes [2 DIY Methods / Only $4.11]

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Engine Code JEEP P0400 Saving Repair Parts:
EGR Valve: https://amzn.to/3reZG1a​
WD-40 Cleaner: https://amzn.to/311le6y​

This video shows you How to Fix Engine Code JEEP P0400 in the easiest, quickest, and cheapest way. 2 practical solutions to fix the JEEP P0400 error code. 2 simple DIY solutions to repair JEEP P0400.

Engine Code JEEP P0400: Exhaust Gas Recirculation (EGR) Flow Malfunction. It indicates the engine control module detects the EGR valve is not flowing recirculated exhaust gases when it is commanded to open the flow of gases into the Intake Manifold. How to Clean the EGR Valve. How to clean the Intake Manifold. Tips and tricks for cleaning the EGR Valve in your car and fixing code JEEP P0400. Tips and tricks for cleaning the Intake Manifold in your car and fixing code JEEP P0400.

Fix Engine Code JEEP P0400 Easy DIY Method A | The EGR Valve
(1) Remove the EGR Valve
(2) Clean or Replace the EGR Valve

Fix Engine Code JEEP P0400 Easy DIY Method B | The Intake Manifold
(1) Remove the Intake Manifold
(2) Clean the Intake Manifold


The components displayed in this video are generic components that may not apply to all JEEP vehicles. Vehicle manufacturers may use manufacturer-specific components that are different from the ones shown in this video.

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0:00 What is JEEP P0400
0:40 Method A - The EGR Valve
1:22 Method B - The Intake Manifold
2:13 Claim a FREE Engine Code Eraser