P0404
P0404
Description EGR VALVE PINTLE STUCK CLOSED PCM monitors EGR valve pintle position input to ensure that valve responds properly to commands from PCM. PCM compares actual EGR position with desired EGR position when valve is commanded open. If actual EGR position is 15 percent less than desired EGR position when PCM is commanding EGR valve opened, DTC will set. Symptoms You likely won't notice any drivability problems. Causes
Possible Solutions
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