Whenever you are informed of unusual signs on your automobile, you are right to be intrigued, because a car represents a huge annual budget and unpredicted breakdowns don’t reduce the costs. So what if you feel like you have a leaking injector on your Honda Accord? You likely figured it out thanks to black/oily drips along your engine motor, or a troubled idle, or abnormal black smoke. These three manifestations are the main signs of a leaking injector. As this failure can bring about more serious engine complications on your car, we made a decision to compose this article to help you confirm the failure of a leaking injector and treat it properly. To do this, we will first look into the case of gasoline injectors and then at those of diesel injectors Honda Accord.
Leaking injector on my petrol Honda Accord
It is crucial to know that the injectors on petrol and diesel engines are distinct, the truth is, the difference in combustion between these two sort of engines makes the injection distinct. The main difference lies in the pressure undergone by the injectors, on a petrol engine it will vary between 3.5 bars for indirect injection and 120 bars for indirect injection.
Leaking injector on a petrol Honda Accord: The different leaks
It should be said that injector leaks on a Honda Accord equipped with a petrol engine are rather infrequent. This is due to the much lower pressure in the petrol intake systems. Even so, there are two sort of leaks:
- Leakage from the top of the injector:
It is possible that you have a leak from the top of the injector, this is the part that is connected to the fuel rail, an O-ring will be involved in this. - Leak injector of the lower part:
At last, you may encounter a leak coming from the lower portion of the injector of your car, this one will occur from the junction with the engine and not with the rail as seen sooner.
Leaking injector on my diesel Honda Accord
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion procedure produces very high pressure in the engine, as do the injectors. On these models, the pressure is more than 10 times higher than on the direct injection of car petrol engines, reaching 1800 to 2000 bars.
Leaking injector on diesel Honda Accord: The different leaks
In the case of leaking diesel injectors on your Honda Accord, there are three different sort of leaks:
- Leakage from the injector inlet:
In this instance, it is an inlet pipe that will deform after a while, generally the leak will be at the clamping point. - Injector return leakage:
As its name implies, this leakage relates to the management of the fuel return in the injector, this time the injector that leaks on your Honda Accord will be caused by an O-ring or its plastic tip that leaks. - Injector base leak:
This injection leak is one of the most bothersome, it is the junction between the engine and the injector nose that leaks at a copper seal, you should experience an air noise and a compression loss. - If after verifying you have oil leaking but it does not come from your injectors, we advise you to browse this article on the presence of oil leaking on your Honda Accord.
Leaking injector on my Honda Accord, how to fix the leak
And at last, we’re going to look into how to fix a leaking injector on your car. Oftentimes a leak is associated, as we have seen prior to this, to a worn seal caused by the pressures endured. But think that the pressure in the circuit is enormous, specifically on diesel engines. So you will have to take some measures:
- Lower the pressure before any work is done…
- Covering you to avoid the risk of fuel spillage
- NEVER work on a running diesel engine injector.
Regarding the repair part of your leak, it will regularly be restricted to replacing the seals that have failed:
- Discover the source of the leak
- Dismantle the injector in question
- Change the corresponding seal kit
- Reassemble the set up and tighten with a torque wrench in respect with the manufacturer’s standards.
In all situations, these interventions are not inevitably complicated, but if you have the slightest uncertainty in the treatment of your injector that leaks on your Honda Accord, we advise you to get closer to your motor mechanic to avoid any bad handling that could significantly harm the condition of your Honda Accord.
Whenever you have any further questions about the Honda Accord, do not hesitate to consult our Honda Accord category.
