P0351 | p0351 ignition coil a primary/secondary circuit | code p0351 | p0351 obd2

P0351 | p0351 ignition coil a primary/secondary circuit | code p0351 | p0351 obd2

Hello friends welcome to the ig garage channel today I am telling you how to fix p0351 ignition coil a primary/secondary circuit so watch this video and learn how to fix it friends if you like this video then subscribe to the ig garage channel for more videos.

📢 Welcome to IG Garage!
In today’s video, we’re diving into DTC Code P0351, explaining its meaning, symptoms, causes, and how to fix it easily — step-by-step!

❓ What is Code P0351?
P0351 – Ignition Coil "A" Primary/Secondary Circuit Malfunction
This code means the Engine Control Module (ECM) has detected a fault in the primary (low-voltage) or secondary (high-voltage) side of Ignition Coil A.
The coil may not be firing correctly, causing misfires and poor engine performance.

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⚠️ Common Symptoms of P0351:
🚨 Check Engine Light (CEL)

💥 Engine misfire (especially Cylinder 1)

🛑 Rough idle

🐢 Poor acceleration

📉 Decreased fuel efficiency

🔊 Engine hesitation or stalling

🔍 Possible Causes of P0351:
🔌 Faulty Ignition Coil "A"

🧰 Broken or damaged ignition coil wiring

🔋 Poor ground or open circuit

💻 Faulty Powertrain Control Module (PCM)

🔧 Loose or corroded ignition coil connector

⚡ Spark plug failure causing excessive coil load

🛠️ How to Fix Code P0351:
👀 Visually inspect ignition coil “A” and wiring

🔄 Swap Ignition Coil A with another coil to see if code follows

📏 Use a multimeter to test coil resistance

🔧 Check wiring for shorts, opens, or corrosion

🧰 Replace the ignition coil if faulty

💡 Inspect or replace spark plugs

💻 Reprogram or replace ECM if necessary

📍 Which Coil is "A"?
“Ignition Coil A” typically refers to the coil for Cylinder 1 — but always check your vehicle's service manual or firing order diagram to confirm.

💰 Estimated Repair Costs:
Ignition Coil: ₹1,000 – ₹2,500

Wiring Repair: ₹500 – ₹1,500

Spark Plugs: ₹300 – ₹800 (each)

ECM Repair: ₹2,000 – ₹6,000

Diagnostic Fee: ₹800 – ₹2,000

🚨 Why You Must Fix It ASAP:
A malfunctioning ignition coil can cause cylinder misfires, catalytic converter damage, and engine performance issues. It’s best to fix this quickly to avoid more expensive repairs.

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📽️ Watch Related Videos on IG Garage:

➡️ [P0352 – Ignition Coil B Circuit Malfunction]
➡️ [P0301 – Cylinder 1 Misfire Detected]

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