In the event that you are informed of unusual symptoms on your automobile, you are right to be concerned, because a car represents a big annual budget and unexpected malfunctions don’t reduce the expenses. So what if you sense that you have a leaking injector on your honda jazz? You almost certainly figured it out thanks to black/oily drips along your engine, or a troubled idle, or abnormal black smoke. These three symptoms are the main signs of a leaking injector. As this troubles can lead to more severe engine concerns on your car, we decided to compose this content to help you validate the failure of a leaking injector and treat it properly. To accomplish this, we will first of all look into the circumstance of gasoline injectors and then at those of diesel injectors honda jazz.
Leaking injector on my petrol honda jazz
It is fundamental to know that the injectors on petrol and diesel engines are distinct, in reality, the difference in combustion between these two kind of engines makes the injection distinct. The main difference lies in the pressure experienced 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 jazz: The different leaks
It should be known that injector leaks on a honda jazz equipped with a petrol engine are rather rare. This is as a result of the much lower pressure in the petrol intake systems. Even so, there are two kind 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 portion 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 suffer a leak coming from the lower part of the injector of your car, this one will occur from the junction with the engine and not with the rail as seen previously.
Leaking injector on my diesel honda jazz
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion system generates 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 jazz: The different leaks
In the circumstance of leaking diesel injectors on your honda jazz, there are three different kind of leaks:
- Leakage from the injector inlet:
In this instance, it is an inlet pipe that will deform as time passes, in most cases the leak will be at the clamping point. - Injector return leakage:
As its name suggests, this leakage relates to the management of the fuel return in the injector, this time the injector that leaks on your honda jazz will be caused by an O-ring or its plastic tip that leaks. - Injector base leak:
This injection leak is one of the most annoying, it is the junction between the engine and the injector nose that leaks at a copper seal, you should find an air noise and a compression loss. - If after examining you have oil leaking but it does not come from your injectors, we recommend you to consult this content on the existence of oil leaking on your honda jazz.
Leaking injector on my honda jazz, how to fix the leak
And at last, we’re going to look into how to fix a leaking injector on your car. Frequently a leak is linked, as we have seen prior to this, to a worn seal because of the pressures endured. But think that the pressure in the circuit is tremendous, especially on diesel engines. So you will have to take some safety measures:
- Lower the pressure before any work is carried out…
- Covering you to avoid the risk of fuel spillage
- NEVER work on a running diesel engine injector.
Relating to the repair part of your leak, it will regularly be restricted to swapping the seals that have failed:
- Find 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 automatically difficult, but if you have the smallest uncertainty in the treatment of your injector that leaks on your honda jazz, we recommend you to get closer to your motor mechanic to avoid any bad handling that could severely harm the condition of your honda jazz.
Whenever you have any further questions about the honda jazz, do not hesitate to consult our honda jazz category.
