1. Ignition Coil: The cost of the ignition coil itself varies depending on the brand and quality of the part. A single ignition coil can range from $30 to $150. For the 2005 Nissan Altima, you might need 4 ignition coils, one for each cylinder.
2. Labor: The labor cost to replace the ignition coils can vary based on the mechanic's hourly rate and the complexity of the job. On average, it may take around 1-2 hours for a mechanic to replace all four ignition coils. The labor charges can range from $60 to $200.
3. Additional Parts: In some cases, additional parts like spark plugs, spark plug wires, or other components might need to be replaced along with the ignition coils. This can increase the overall cost.
4. Location: The cost of the ignition coil replacement can also vary based on the location and mechanic you choose. Some areas may have higher labor rates than others. It's recommended to compare quotes from different mechanics before selecting one.
To get the most accurate estimate, it's best to contact a trusted mechanic or auto repair shop who can provide a detailed quote for replacing the ignition coils in your 2005 Nissan Altima.