2002 Buick Century "replace egr valve" Questions

EGR position sensor where applicable??? Im unemployed and dont have the money to take it to a mecanic so Im trying to figure it out, I need help!! well I'm a mechanic and you just told me what's wrong

...egr valve is working. On my vehicle, I had several egr valves changed and failed the emissions test until I had the computer changed and the PROMS updated with the latest PROM. The EGR valve is easy ...

replace the egr valve. The egr (EXHAUST GAS RECIRCULATION) valve allows the engine to re burn the exhaust gas when the engine is cold to clean up the emissions at the tail pipe. They tend to get stuck

EGR valve and the light will go out for a little while and then it will glitch and come back on. We think it may be one of the 5 wires leading to it but don't know which one. Help! If you have the 3.1

...EGR valve be replaced. I would like to know what code was set on your computer. It would help greatly. When the EGR malfunctions, you will have rough idle and possible stalling. If you have a code ...

...egr valve Buick 1996 century 3.1v 6 cylinder. I had a tune up and egr valve replaced. Check engine light remains on. Failed emissions test. Have an auto parts store check for the code. It is possible ...

EGR VALVE Code P0405- EGR Sensor A signal short / low ???? Replace the sensor, they are very prone to failure and this code.

...buick century code 401pd If the DTC is P0401 it means that the EGR Valve is clogged or air flow is insufficient.Take EGR valve off and clean carbon out or replace EGR valve with a new

egr valve p0401 showes up and replaced it and egr valve p0401 showes up and replaced it and still engine stillserges at idale coast speed also replaced all vac hoses i have 1998 buick century replaced

...took the EGR valve off your car to replace the head gaskets. It will be a free repair, because they caused the problem by not reinstalling a new gasket when putting the EGR valve back onto the