What should I do before replacing fuel injectors?
Before installing the new fuel injectors, dip the fuel injector tip (sprayer end) into a small amount of engine oil. This will wet the seals, preventing leaks. If your new injectors came without seals, purchase new injector seals separately rather than reusing the old ones.
What causes fuel to leak from a fuel injector?
Oil could also leak if there is a damaged seal which will deteriorate as time goes on. When you examine the injector visually you will see traces of fuel on the surface of the injector or the fuel rail. Because fuel is leaking from the injector you will perceive fuel odor due either to the leak in the seal or in the injector.
Can a fuel injector leak burn out the catalytic converter?
In some cases, a fuel injector leak can cause the air/fuel mixture to be so rich that it eventually burns out the catalytic converter. Fuel injectors do not last forever but you can take steps in preserving their lifespan for as long as possible.
Can a bad fuel injector cause cel to come on?
Although this could mean a lot of things, a bad fuel injector could be one of them. Any time an injector delivers less fuel than needed (or more in some cases), the engines efficiency is lowered and can trigger the CEL to come on. Use an OBD2 scanner to confirm the issue.
Is it possible to replace one fuel injector?
Although fuel injectors are individual, they are designed to work as part of a team with the other injectors. So if you’re wondering if you can replace just one injector or all, the answer is almost always to replace them ALL.
When to replace fuel injector seals and washers?
If the O-ring fitted to the injector is the problem; then replacing this O-ring will usually fix the leak. If the injector body; nozzle or internal components are cracked; then a new or refurbished injector is your only option. Replacement fuel injector seals and washers are cheap and are, fairly easy to install.
What to do if your fuel injector is cracked?
If the injector body; nozzle or internal components are cracked; then a new or refurbished injector is your only option. Replacement fuel injector seals and washers are cheap and are, fairly easy to install. This can often fix the problem, and if you are handy with a wrench, it’s not that difficult to do.
How often do fuel injectors need to be inspected?
So, the most effective way to keep injectors in good working order is; to have them removed and inspected at regular intervals. Under normal circumstances, that would be every 25,000 miles or 40,000 kms. If you tend to do a lot of short journeys; then you’d probably want to have them looked at more often; to prevent the build up of deposits.