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Accident Estimate
IgnitionCritical✅ DIY Friendly

P0355

Ignition Coil E Primary/Secondary Circuit

Fault in ignition coil E (cylinder 5 on V6/V8 engines).

SeverityCritical
CategoryIgnition
Est. Repair Cost$50–$200
Code TypePowertrain
DIY RepairYes

⚡ Common Causes

  • ›Failed coil E
  • ›Wiring fault
  • ›Connector issue

⚠️ Symptoms

  • ›Cylinder 5 misfire
  • ›Rough running
  • ›Check engine light

✅ How to Fix — Step by Step

  • Step 1:Swap coil to verify
  • Step 2:Test resistance
  • Step 3:Replace coil E

🔧 Diagnostic Tools Required

Using the correct diagnostic tools helps identify the root cause of P0355 before replacing parts unnecessarily. Always confirm the fault using live data and manufacturer-recommended diagnostic procedures.

💡 Pro Tip: On V6 engines cylinder 5 is on bank 2 — access may require removing engine covers.

Repair Cost Estimate

Full Repair Estimate
$50–$200
DIY Possible?
YES
Severity
Critical

Frequently Asked Questions

What does OBD2 code P0355 mean?+
P0355 stands for Ignition Coil E Primary/Secondary Circuit. Fault in ignition coil E (cylinder 5 on V6/V8 engines).
What causes code P0355?+
Failed coil E; Wiring fault; Connector issue
How do I fix code P0355?+
Swap coil to verify; Test resistance; Replace coil E
How much does it cost to fix P0355?+
Estimated repair cost for P0355 is $50–$200.
Is P0355 DIY-friendly?+
Yes — P0355 is generally DIY-friendly with basic tools.

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