✅ Fixed
Found: air filter completely clogged, tire pressure 7 PSI low on two tires, upstream O2 sensor reading sluggish. Replaced air filter $22, inflated tires, replaced O2 sensor $75. Fuel economy improved significantly.
Toyota Sienna 2013 Fuel economy dropped poor MPG
Toyota
2013
On This Page:
🔍 Symptoms
⚙️ Causes
🔧 All Repairs
⚠️ Avoid These
🧾 Driver Reports
🔗 Similar Faults
🩺 Related Symptoms
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
Toyota Sienna 2013 fuel economy noticeably worse. Filling up more often than usual. No check engine light. 44328 km. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 Fuel economy dropped — poor MPG
📍 Toyota Sienna
⚙️ Possible Causes
Fuel economy dropped — poor MPG
Toyota Sienna
Possible: Found: air filter completely clogged, tire pressure 7 PSI low on two tires, upstream O2 sensor reading sluggish. Replaced air filter $22, inflated tires, replaced O2 sensor $75. Fuel economy improved significantly.
Onarım / Çözüm
Based on 36 driver confirmations
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota 2013 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
🚗 More About This Vehicle
Explore more Toyota models
Deneyiminizi paylaşarak diğer araç sahiplerine yardım edin.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.