P0354 Acura Code - No. 4 Cylinder Ignition Coil Circuit Malfunction
Quick Answer
The ignition coil is a part of the engine ignition system. Common causes include Faulty No, 4 Ignition Coil, No. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0354 Acura indicates No. 4 Cylinder Ignition Coil Circuit Malfunction.
- Common causes
- Common causes include Faulty No, 4 Ignition Coil, No.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0354 Acura Description
What are the Possible Causes of the DTC P0354 Acura?
- Faulty No. 4 Ignition Coil
- No. 4 Ignition Coil harness is open or shorted
- No. 4 Ignition Coil circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P0354 Acura?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0354 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0354 Acura code?
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Frequently Asked Questions about P0354 Acura Code
What does the OBDII code P0354 mean on an Acura?
P0354 indicates a malfunction in the No. 4 cylinder ignition coil circuit, which may affect engine performance.
What are the common symptoms of code P0354 on an Acura?
Symptoms include engine misfires, rough idling, reduced power, poor fuel efficiency, and the check engine light turning on.
What causes the P0354 code on an Acura?
Common causes include a faulty ignition coil, damaged wiring or connectors, a malfunctioning ECU, or issues with the spark plugs.
Can I drive my Acura with the P0354 code?
It’s not recommended to drive with this code active, as it can lead to further engine damage and reduced performance.
How do I diagnose code P0354 on an Acura?
Start by inspecting the No. 4 cylinder ignition coil, connectors, and wiring for damage or wear. Use a multimeter to test the coil’s resistance and check for continuity.
How do I fix the P0354 code on an Acura?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, or inspecting and replacing worn spark plugs.
Can a bad ECU cause the P0354 code on an Acura?
Yes, a malfunctioning ECU can fail to send proper signals to the ignition coil, triggering the P0354 code.
Will replacing the spark plugs fix the P0354 code?
Replacing spark plugs may help if they are worn or damaged, but the primary issue is likely with the ignition coil or its circuit.
How much does it cost to repair the P0354 code on an Acura?
Repair costs vary but typically range between $100 and $300, depending on the extent of the damage and whether the ignition coil needs replacement.
Can I reset the check engine light after fixing the P0354 code?
Yes, you can reset the check engine light using an OBDII scanner after completing the necessary repairs. If the issue isn’t resolved, the code may return.
Discuss the causes and fixes for P0354 Acura OBDII Code
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