1998 Ford Escort "code p0401" Questions

P0401 code means that OBD detected an insufficient amount of EGR. Symptoms: You may notice drivability problems such as pinging (a.k.a. pre-ignition knock) when the engine is under load or the vehicle

...code p0401 came up what els could it be? The code indicates in most Fords that the passage in the intake manifold that the EGr gas is drawn through when the valve opens is plugged with carbon. It is ...

the check engine light on and put code p401 P0401....EGR flow insufficient detected. You can try removing the EGR valve and cleaning the carbon deposits with some carburetor cleaner.

4.6L P0401 fix had a code P0401 replaced DPFE sensor, clear code, and code P0401 came back after 2 days. https://www.samarins.com/diagnose/p0401.html https://www.samarins.com/diagnose/p0401.html

...Code P0401 comes up at Auto Zone Is this a DIY job? Fairly handy '01 Honda Accord, EX-L, V6, Code P0401 comes up at Auto Zone Is this a DIY job? Fairly handy code P0401 is an EGR code. which ...

...the computer and got these codes. p0401 cnf, p0404 cnf, p1404 cnf and p0401 pnd. what do they mean? P0401 Code: Exhaust Gas Recirculation (EGR) Flow

...P0401 code has to do with your exhaust! Could be caused from sensor to clogged exhaust! The P0301, I believe is misfire, cylinder #1 P0401 = Fixing EGR Low Flow Code P0401 Po301 = Misfiring Engines ...

p0401 error code getting a P0401 error code on my Pt Cruiser. Runs fine, does need a new exhaust, could this cause the code to show? FYI http://www.obd-codes.com/p0401

...code of P0401 Ran a diagnostic scan and 4 codes showed up in the scan,P0420,P0401, P0730, and P0401. Please tell me what they pertain to!! P0420-catatytic convertor failure Replace convertor P0401- ...

...code P0401? Toyota, I apply vaccum to the EGR Valve while engine running the engine try to stall so I think the EGR Valve is good. I don't think no vacuum getting to the EGR Valve and the EGR Vacuum ...