This code sets when the pcm (engine computer) has added as much extra fuel as it. An evap large leak (p0455) or a purge valve stuck open can disrupt fuel trims enough to trigger p0171 With your egr showing out of spec, i would suspect an egr stuck open and leaking
P0171 Honda Meaning, Symptoms, Causes, And How To Fix - Honda The Other
Have you checked the air filter and the large hose between the filter and throttle body
Your heart sinks a little, doesn’t it
For many honda owners, that glowing light often points to a specific culprit This isn’t just a random code It’s your honda’s way of. Seeing the p0171 error code on your honda
That means your engine is. Your honda’s check engine light just popped on, and a quick scan shows honda p0171 — “system too lean, bank 1.” don’t panic This code is one of. Try using a fuel injector cleaner as a first.
If your honda pilot has p0171 and p0174 together, it rules out a few problems and provides anecdotal evidence to help narrow the problem
It’s likely that your pilot’s o2 sensors are working fine. If the p0171 is combined with the p0174 code, it's highly likely that the problem is caused by an intake leak If there are no intake leaks, the next step is to. Explore our comprehensive guide on 'p0171 honda' where we explain its meaning, symptoms, causes, and provide effective solutions
