If one fuel injector goes bad in a car that has around 130K on it is it a good idea to replace all injectors?

Question

Will the performace improve at all if all injectors are replaced or will it not make any differerence?

Answer 1

I always recommend replacing them all. For certain applications I insist. Most of the labor is paid for just to get to the 1st one anyway. After that its cake. The injectors can be individually quite spendy though which makes people reluctant to do it but more than once have I had somebody return to have another injector replaced when they only did one.

Answer 2

I would replace all of them. You are already at the site. That way you don't have to repeat the work later on. You may not see to much of a difference if you only change one or two, but it is highly recommended that you change them all to maintain the performance and life of the injectors.

Answer 3

If you can afford to replace them all...go for it. How long ya planing to keep the car? is it worth replacing them all? I had one go on a Firebird one time...I think the car was only 3 years old at the time...I just replaced the one at that time because of the age of the car. I wasn't planing on keeping the car much longer.

Answer 4

Definitely -if one has clogged the same fuel has ran through the rest. You may as well just do them all and get it over with rather than waiting for the next one to go.

Answer 5

yes... if you just replace one then that cylinder will be getting a better vaporizes fuel mixture, and will have more power. it will cause the motor to run ruff., and if one went bad the rest are sure to follow....

Answer 6

Yes. Or at least have them cleaned if not replaced.

Answer 7

I would replace them all. If nothing else I would have them cleaned well.

Answer 8

if it aint broke......don't fix it