How To Change Fuel Injector 07 Avalanche

Fuel injectors can go the life of a modern vehicle with little to no trouble at all. That beingness said, bad fuel injectors are one of the more common issues that happen to any vehicle (Chevy Avalanche included). At that place's always more than one, and i going bad is plenty to make a noticeable impact on the drivability of the vehicle.

Bad Fuel Inector Diagnosis Chevy Avalanche

There are two main ways that your injectors can go bad. The first is for them to get clogged, dirty, or unresponsive. When this happens non plenty fuel enters into your Avalanche's combustion sleeping room. The other way is if the injectors are leaking. When they leak, they tin can really exercise some damage.

Bad Fuel Injector Symptoms: Chevy Barrage

The symptoms of bad fuel injectors are going to feel near the same as a bad fuel pump or fuel filter. That's why information technology's important to check the fuel pressure at the rail earlier replacing injectors, otherwise you may stop throwing good coin after bad. If you do end up needing to replace the injectors, they are somewhat affordable.

Chevy Avalanche Bad Fuel Injector Symptoms

Muddy | Chock-full | Unresponsive Injectors

Difficult to start– When some of the cylinders aren't getting the correct corporeality of fuel, it can exist very hard for the engine to plough over. Information technology my not even start at all.
Idle Bug– With a fuel injector that is not properly atomizing fuel properly, your Barrage is going to have a hard time idling. It'll feel almost exactly the same as if it had a bad spark plug. That is to say there will be a sudden drop in idle speed. It may feel like the engine is about to die.
Emissions Issues– When the fuel is not inbound the combustion chamber in the right quantity, the engine may adapt the air/fuel mixture, which can pb to increased exhaust emissions.
Loss of Power– Typically, equally the engine RPM increases, you lot won't exist able to "feel" the engine misfire equally much. Simply, you lot'll definitely find the lack of power.
Less Fuel Mileage– Your Avalanche'south engine management computer is constantly adjusting the air/fuel ratio and timing to get optimal combustion. When the fuel injectors aren't working properly information technology can't exercise that and fuel mileage suffers.
Knock/Detonation– Detonation tin cause your Barrage'south engine to blow. This is certainly the worst case scenario. Don't ignore an engine that isn't running correct. You lot'll do style more damage in the long run by not fixing the problem now.

Leaking Injectors

A leaking injector can cause all of the problems listed above, likewise as:

Thin Oil– When a fuel injector leaks, all of that fuel is not getting burned in the combustion chamber. Whatever gas that is not fired and sent out equally exhaust ends up in the oil pan. When this happens it can decrease your Avalanche'due south engine lubrication to the signal that it'll lock up. You will odour fuel on the dipstick.
The Aroma of Fuel– When your engine is getting as well much fuel, your Barrage tin't burn it all. You'll probably notice the smell of gas every bit y'all are driving locally. On the highway, there'll probably be as well much air current for you to catch it.
Engine Locks Up– Once besides much gas gets in the oil, the motor will lock up. If you have reason to doubtable there is gas in your oil, exercise non bulldoze your Avalanche. Change the oil.

Bad Fuel Injectors Diagnosis: Chevy Barrage

Leaking fuel injectors are oft caused past a bad a crack in their torso. When this occurs they must be replaced.

If the injectors are clogged you'll need to accept them cleaned by a professional person. When they are dirty but not even so clogged, you lot may be able to make clean them with a good fuel injector cleaner.

Hither is a cracking video from "Ratchets and Wrenches" on YouTube on how to get about the process of diagnosing a fuel injector from beginning to terminate.

Decision

If your Avalanche is experiencing the symptoms of bad fuel injectors, information technology would be wise to address the event right away. If there is anything you would like to add, please feel gratuitous to leave a comment beneath. Good luck!