1990 Nissan Maxima "egr valve deville" Questions

egr valve, and other parts... it finally turned out to be the ecm not firing one of the injectors, causing a miss on an OBD-I automobile. You could try to replace the injectors that are on 1,3, and 5,

How to fix a p0401 EGR exhaust gas recirculation flow insufficient detected 97 cad Deville North Star with a new EGR Valve replace the egr valve and solenoid

...gases back into the manifold, the EGR valve gums up with carbon from the exhaust gases, if it is the type you can remove, remove the valve it generally can be cleaned with carb cleaner and

...EGR Valve on a 93' Cadillac DeVille? I have found this site most useful in repairing our car. You might try it too. I have posted it below. ...

...EGR valve needed replacement. I replaced the EGR valve, and now the idle is very low and dies out which was not happening before this. The code now indicates that the ISC motor is bad. Is there a way ...

...it sits a day or two will run fine for 20-30 miles and then starts skipping again That sounds like a dirty EGR valve...I had the same problem. Change the EGR valve and your problems shall be

models means the egr sensor is not giving the correct signal. The sensor is telling the computer the egr valve is open or closed when it should not be. The valve and the sensor would need to be tested

...Bad fuel-pump, fuel-pump relay, needs tune-up, defective ignition control module, wrong air/fuel ratio, defective IAC valve or EGR valve. Other causes: Wrong timing, bad compression, or clogged

...excessive engine sets code p0409, egr flow excessive,changed egr valve and erased the code, drove for about 5 miles and it reset same code again. Any idea why? is you airflow meter working

...egr valve the plugs & wires and the i 1994 cadillac sedan deville 4.9 dies while i'm driving but then starts back up but only seems to be doing it in the extreme heat. We already replaced ...