2001 Ford Windstar "engine code po401" Questions

...po401 is egr flow insufficiant ( the egr needs removed and cleaned also clean where it mounts to engine. po340 is camshaft position sensor A- bank 1 curcuit malfunction. it is a bad camshaft

...Code PO401 Does the egr vavle open ? You will need to use a scanner to test the dpfe voltage when the egr valve is energized you should read around 3.5 4.00 volts. Also you could remove the vacume ...

...code po401 PO401 is a egr problem, low /no flow detected. Unfortunatly most of the time with the 3.8 engine is the ports in the intake manifold get clogged. So if testing reveles the egr valve is ...

...engine miss and two dtc's po401 and po402, would a bad EGR valve cause this miss? HI you maybe having this codes and engine missing because of a plug up catalytic converter have it tested at your ...

Engine codes Po171 Po174 Po401 I need to know what these things mean, so i can get my car repaired i cant find anything. The vast majotity of Ford vehicles with P0171 and P0174 codes are suffering ...

...engine miss and two trouble codes, po401 and 402, would a bad EGR valve cause this problem? I replaced the coil pack on my friends wind star when they had a mis. If you take the sparkplug wires loose ...

...PO401 cyl 1 misfire when an engine misfires the oxygen sensor will read the oxygen from that cyl sensor doesnt read fuel so every misfire is a air pump to diagnose we have to fix misfire first check ...

...engine running self-test the comparison of the TP sensor and MAF sensor readings are not consistent with calibrated load values, the test fails and a diagnostic trouble code is stored in continuous ...

engine light on code reads po401 engine light on code reads po401 vehecle runs good 2006 ford mustage v-6 engine I believe this code is insufficient EGR flow. On this engine, the passages to the EGR ...

...engine light and diagnostic code PO401". Any suggestions? "mercury sable 2001 duratec engine DOHC I get check engine light and diagnostic code PO401". Any suggestions? Barring any vacuum leaks, P0401 ...