Regan Brown
Fuel injectors in Honda Accords tend to fail after 80,000 miles, but some users have reported issues with their fuel injectors at much lower mileages. One user reported that their 2018 Honda Accord needed new fuel injectors at 32,000 miles, while another said their 2019 model needed replacements after just 43,000 miles. Another user reported that their 2018 Honda Accord was running well at 50,000 miles, but they were advised by a dealer that the fuel injectors needed replacing.
| Characteristics | Values |
|---|---|
| Average lifespan of fuel injectors | 80,000 miles |
| Mileage at which fuel injectors were replaced | 43,000 miles, 32,000 miles, 50,000 miles, 90,000 miles |
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What You'll Learn
Fuel injectors tend to fail after 80,000 miles
Fuel injectors require little maintenance, but to prolong their life, it is recommended to follow the scheduled maintenance for cleaning the fuel delivery system and injectors. If there are symptoms of a fuel delivery system issue, a technician will first conduct a visual inspection. If the problem isn't clear, they will connect a computerized scanner to the vehicle to read its sensors. If there is a fuel injector problem, the technician will likely find that misfires are happening frequently on one cylinder. The fuel injector or injectors in question must then be tested and may require removal for bench testing.
If you notice a loss of power or shaking in your Honda Accord, this could be a sign of a fuel injector issue. One owner reported that their car ran okay when they first got the check engine light, but then they noticed a loss of power and shaking. They replaced the spark plugs, but the issue didn't go away, so they decided to replace the fuel injectors.
It's important to note that fuel injector issues can be caused by oil contamination and carbon buildup in the intake manifold and cylinders. One owner reported that their 2018 Honda Accord had a lot of oil contamination and carbon buildup, which contributed to the fuel injector issue.
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Honda fuel injectors are reliable
To prolong the life of Honda fuel injectors, it is recommended to follow the scheduled maintenance schedule for cleaning the fuel delivery system and injectors. If issues arise, a technician will first conduct a visual inspection, and if the problem is not clear, they will connect a computerized scanner to the vehicle to read its sensors. If there is a fuel injector problem, the technician will likely find frequent misfires on one cylinder. The fuel injector or injectors in question must then be tested and may require removal for bench testing.
One Honda dealership mechanic noted that the 2018 Honda Accord engine tends to eat fuel injectors in the early stages of ownership, which can contribute to fuel emulsion issues. However, they also stated that Honda's fuel injector is very reliable, with their 2000 Honda model still using the original injector after 23 years. The 2018 injector is an electronic valve control, which operates on the same principle as the 2000 fuel injector but at higher pressure.
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Fuel injector problems can be identified by frequent misfires on one cylinder
Fuel injectors tend to fail after 80,000 miles, but this can vary depending on the make and model of the car. For example, one Honda Accord owner reported that their fuel injectors needed to be replaced at 32,000 miles, while another said theirs lasted until 90,000 miles.
If you suspect that your fuel injectors are causing misfires, it's important to have them checked by a technician. The technician will first conduct a visual inspection and, if the issue isn't clear, they will connect a computerized scanner to the vehicle to read some of its sensors. If there is a fuel injector problem, the technician will likely find that misfires are happening frequently on one cylinder. The fuel injector or injectors in question will then need to be tested and may require removal for bench testing.
It's important to note that misfires can also be caused by other issues, such as engine mechanical problems, faulty ignition systems, control circuit issues, imbalanced air and fuel delivery, and sensor and module issues. Therefore, it's always best to consult a qualified technician to diagnose and repair any issues with your vehicle.
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Fuel injector replacement can be done by yourself
If you are experiencing issues with your fuel injectors, the first step is to consult your car's maintenance schedule and clean the fuel delivery system and injectors. If this does not resolve the issue, a visual inspection can be conducted to identify any physical problems. If the issue is still unclear, a computerized scanner can be connected to the vehicle to read its sensors.
Frequent misfires on one cylinder may indicate a fuel injector problem. In this case, the fuel injector or injectors in question must be tested and may require removal for bench testing.
When replacing fuel injectors, it is important to clean the intake manifold and cylinders, as oil contamination and carbon buildup can occur. YouTube can be a helpful resource for guiding you through the replacement process, as can forums and other online resources.
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Honda refused to cover expenses for fuel injector replacement
On average, fuel injectors tend to fail after 80,000 miles, but some Honda Accord owners have reported needing to replace their fuel injectors after as few as 32,000 miles. Honda refused to cover the expenses for fuel injector replacement in some cases, even when the car was under warranty.
One owner of a 2018 Honda Accord reported that their fuel injectors needed to be replaced at 32,000 miles, and Honda refused to cover any of the expenses. Another owner of a 2019 Honda Accord with 43,000 miles also needed to replace their fuel injectors, but it is unclear whether Honda covered the cost in this case.
In some cases, Honda has extended the warranty for fuel injector replacement. For example, they have extended the warranty for Honda Pilot, Ridgeline, and FIT injectors out to 10 years or 150,000 miles in different cases. However, it is unclear whether this extended warranty applies to all Honda models or only certain ones.
It is recommended that Honda Accord owners follow the scheduled maintenance schedule for cleaning the fuel delivery system and injectors to prolong the life of the fuel injectors.
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Frequently asked questions
Fuel injectors tend to fail after 80,000 miles, but some users have reported needing to replace them after 32,000 miles.
If your car is losing power and shaking, this could be a sign that the fuel injectors need to be replaced. A technician will be able to conduct a visual inspection and connect a computerized scanner to the vehicle to read its sensors.
The cost of replacing fuel injectors in a Honda Accord is not specified, but it is likely to be expensive. One user reported that Honda refused to cover the cost of replacement.
Yes, it is possible to replace the fuel injectors yourself. You can find guidance on YouTube.
