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When this happens it can decrease your Vibe’s engine lubrication to the point that it’ll lock up. Any gas that is not fired and sent out as exhaust ends up in the oil pan.

Thin Oil– When a fuel injector leaks, all of that fuel is not getting burned in the combustion chamber.

You’ll do way more damage in the long run by not fixing the problem now.Ī leaking injector can cause all of the problems listed above, as well as: Don’t ignore an engine that isn’t running right. This is certainly the worst case scenario.

Knock/Detonation– Detonation can cause your Vibe’s engine to blow.

When the fuel injectors aren’t working properly it can’t do that and fuel mileage suffers.

Less Fuel Mileage– Your Vibe’s engine management computer is constantly adjusting the air/fuel ratio and timing to get optimal combustion.

But, you’ll definitely notice the lack of power.

Loss of Power– Typically, as the engine RPM increases, you won’t be able to “feel” the engine misfire as much.Emissions Issues– When the fuel is not entering the combustion chamber in the right quantity, the engine may adjust the air/fuel mixture, which can lead to increased exhaust emissions.It may feel like the engine is about to die. That is to say there will be a sudden drop in idle speed. It’ll feel almost exactly the same as if it had a bad spark plug. Idle Issues– With a fuel injector that is not properly atomizing fuel properly, your Vibe is going to have a difficult time idling.Difficult to start– When some of the cylinders aren’t getting the right amount of fuel, it can be very difficult for the engine to turn over.If you do end up needing to replace the injectors, they are somewhat affordable. That’s why it’s important to check the fuel pressure at the rail before replacing injectors, otherwise you may end throwing good money after bad. The symptoms of bad fuel injectors are going to feel almost the same as a bad fuel pump or fuel filter. When they leak, they can really do some damage. The other way is if the injectors are leaking. When this happens not enough fuel enters into your Vibe’s combustion chamber. The first is for them to become clogged, dirty, or unresponsive.

There are two main ways that your injectors can go bad. There’s always more than one, and one going bad is enough to make a noticeable impact on the drivability of the vehicle. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Pontiac Vibe included). Fuel injectors can go the life of a modern vehicle with little to no trouble at all.