how to replace fuel injector 2002 toyota highlander 4 cylinder

Replacing a fuel injector seems like a daunting project, but with a little skill you can do the job yourself and save serious money. Shops charge a huge amount for fuel injection work. If you know that you have a bad injector, the job can be done at home.

Can I replace fuel injectors yourself? Replacing a fuel injector seems like a daunting project, but with a little skill you can do the job yourself and save serious money. Shops charge a huge amount for fuel injection work. If you know that you have a bad injector, the job can be done at home.

How long does it take to replace one fuel injector? The labor rate also varies depending on where you take your car, as well as where you live. In general, a fuel injector replacement should take 1 to 2 hours.

How much does it cost to replace 4 fuel injectors?

On average, you can expect to pay between $350 and $850 to replace your fuel injectors. The range of costs depends on a number of factors. Smaller vehicles with fewer cylinders requiring less expensive parts will come in at the lower end of the spectrum. Larger, high-performance engines will command a higher price tag.

How hard is it to replace LB7 injectors?

Unfortunately, Duramax injectors are both expensive and difficult to reach in the engine compartment for replacement, which prompted GM to extend its injector warranty to 200,000 miles. The LB7 is otherwise a very reliable engine. … Diagnosing bad injectors on a 6.6L Duramax LB7 engine is usually pretty easy.

How do I know if my injector LB7 is bad?

There is a multitude of symptoms your truck will experience if the injectors are going bad. One of the first signs we see are excessive smoke/haze. You will notice your truck billowing out a little more smoke than usual or hazing at idle. Another issue you may notice is high EGTs.

How do you remove LB7 injectors without tools?

Yes it is possible to remove the injectors without the tool by using a decent size flat blade screw driver to pry them upwards & then out.

What causes LB7 injectors to fail?

LB7 injectors fail whether you add extra filtration or not. They fail whether you use additives or not. They fail whether you add a lift pump or not.

How long do LB7 injectors last?

The one issue the LB7 is best (or worst) known for are the fuel injectors. There are several causes of the failures, and the issues were so common, GM covered the injectors with a special extended warranty for 200,000 miles or 7 years after the vehicle was placed in service.

Should I replace injector cups on LB7?

If installed correctly, these new injector cups will last a lifetime and should never need to be removed. However, if for some reason they do need to come out, they can be unthreaded the same way they went in and reused indefinitely.

Is seafoam good for injectors?

Summary. For cleaning a gasoline or diesel fuel system, it’s safe to add more Sea Foam to fuel. In fact, the more Sea Foam you add to fuel, the better it cleans! … It works through fuel injectors and carburetors to remove harmful residues and deposits from fuel passageways, intake valves, pistons, and chamber areas.

Trafficautodriving Scroll to Top