P0171 on TOYOTA COROLLA
What P0171 Means on Your TOYOTA COROLLA
Real TOYOTA COROLLA Owner Reports (Source: NHTSA Complaints Database)
"My 2005 toyota corolla will stall or lose power at random times. it has the engine light on and reports codes p0171 & p2716. this has happened three times in the past 2 weeks. one time i was driving 60 mph on the freeway and was almost hit from behind."
"Tl* the contact owns a 2007 toyota corolla. while driving at any speed, the rpms dropped below 1,000 when the vehicle came to a stop. the vehicle shut off and the engine indicator illuminated. the vehicle was restarted and driven to a mechanic."
"Vehicle fails to start. found codes p0606 (ecm/pcm processor error) and p0303 (random misfire) on obd 2 computer. vehicle towed to toyota dealership where they cleaned spark plugs and cylinders due to engine flooding."
"The contact owns a 2018 Toyota Corolla. The contact stated while attempting to start the vehicle, or upon approaching a stop, the engine sounded very weak, almost as if the vehicle would shut off. The contact stated that the vehicle had shut off previously while driving through a drive thru."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0171 on TOYOTA COROLLA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.