Questions & Answers for: check engine light code po401

...engine light comes on., the code is PO401., i changed the egr pressure differential sensor., didn't helped. what's next....any ideas... Replacement engine put in with 51000 miles and now the engine ...

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...engine soon light is on, it didnt start coming on til i changed the power steering pump and hoe the code it gets is po401 egr system, i wonder if i forgot to attach a hose? yes, i think a hose got ...

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engine light came on,had it checked out,go engine codes 1131 and 1132,what do they mean on my 1999 ford escort? Google code 1131 ford and read the story about Ford Mass air Flow sensors. It is posted ...

...check engine light does not come on while the car is running. other than that the car seems to run fine. Sounds like you make have a vacumn leak on one of the rubber vacumn lines that attach to the ...

Question about 2006 Mustang

1 Answer

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 ...

...check engine light comes on for a day or two then turns off. There is no code when the car is checked. What is the solution to this problem? disconnect the battery for 30 minutes to reset the ...

...at a red light. My check engine light also stays on. go get it checked at a auto parts store most of them have obd2 code readers that they can check it with there is a reason that light is coming ...

Question about 1999 Escort

2 Answers

...check engine light flashing uses alot of gas replaced plugs what engine if a zetec engine then change the O2 sensor When the Check Engine light starts flashing it is warning you that the engine has a ...

...error codes po741 comes up. While driving rpm jumps up to 3000\4000 alo has caused emission light to come on with error code po401. P0741 Torque Converter Clutch System Performance Or Stuck

...cluster ? Check Engine Light ! Sounds like you have a misfire . Could need spark plugs or wires or a coil ! If the check engine light is on you need to have a scanner hooked up a check for codes

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