✅ 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.
Ford Fusion 2012 Fuel economy dropped poor MPG
Ford
2012
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🔍 Symptoms
⚙️ Causes
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🧾 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
Ford Fusion 2012 fuel economy noticeably worse. Filling up more often than usual. No check engine light. 98431 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
📍 Ford Fusion
⚙️ Possible Causes
Fuel economy dropped — poor MPG
Ford Fusion
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 47 driver confirmations
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Ford 2012 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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