P1404
P1404
Description EGR VALVE PINTLE STUCK OPEN PCM monitors EGR valve pintle position input to ensure that valve responds properly to commands from the PCM. When ignition is turned on, PCM learns the EGR closed valve pintle position. PCM compares the learned EGR closed valve pintle position to the actual position when EGR valve is commanded closed. If actual EGR position indicates that EGR valve is still open when PCM is commanding EGR closed, DTC will set. Symptoms You likely won't notice any drivability problems. Causes
Solutions
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