Engine Misfire
Code P0354
Ignition Coil Circuit Cylinder 4
Plain English Meaning:Ignition coil problem on cylinder 4
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Red: Stop Driving & Tow
Engine damage risk
P0354 Symptoms
- •Misfire rough idle loss of power
Most Common Causes of P0354
1Coil failure wiring issue
P0354 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Swap coil inspect spark plug
Typical Fix Paths & Estimated Costs
Replace coil $100–$300
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Parts for P0354 Repair
Common replacement parts for engine misfire codes. (Paid links)
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