Can a p0404 engine have too much EGR?
(Too much EGR and the engine won’t idle). If you have a P0404, then the EGR valve is likely an electrically controlled EGR valve instead of a vacuum controlled EGR valve.
Are there any symptoms of a p0404 DTC?
There may be no symptoms of a P0404 DTC other than the MIL (malfunction indicator lamp) or check engine light. However, Exhaust Gas Recirculation systems are inherently problematic due to carbon buildup in the intake manifold, etc.
Is the p0404 valve on my Malibu gone?
I have a 2002 Chevy Malibu LS with the 3.1L V6 engine. I had a p0404 code and when I did my tune-up recently, I went ahead and replaced the EGR valve. However, after two days of normal driving (approx. 70mi each day), the code has not gone away.
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What does service engine soon warning light p1404 mean?
Engine Light ON (or Service Engine Soon Warning Light) P1404 Meaning The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value.
What is the OBD 2 fault code p1404?
OBD II fault code P1404 is a manufacturer specific code that is defined by General Motors (Chevrolet in particular) as “Exhaust Gas Recirculation (EGR) Closed Position Performance”, and is set when the actual position of the EGR valve pintle does no coincide with the position of the EGR valve pintle the PCM (Powertrain Control Module)…
What does p1404 mean in Powertrain Control Module?
P1404 Meaning. The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value.
What causes the p0404 code on the EGR?
What causes the P0404 code? 1 The ECM monitors the EGR position with a sensor mounted on top of the EGR valve and the valve was out of a set position when the EGR was commanded 2 The EGR valve movement should be smooth without jerking or the ECM sets the code. 3 The EGR sensor went above upper limits when the EGR was commanded open by the ECM.