Quick turnaround and great service I got before and after flow # for all of my injectors

Theses guys know their stuff. Super experienced and knowledgeable. I have used them for over 30 years

Ive been using doctor injector for years. I think some people leaving bad reviews here are confused, because dr. Injector shares the same building as the business people have complained about. They are not affiliated.I took 6 injectors from a 1992 ford f150 with the 4.9 six cylinder. It was misfiring like crazy. Dr. Injector cleaned and verified good spray patterns on 5 of them, and replaced the 6th which was frozen shut. New o rings and caps on all of them. Reinstalled and there is no more misfire. They do great work and I think it took 2 hours. Prices are fair.

Quick, knowledgeable and reasonably priced... what more could you ask for?

I parked here when I needed to run in next door and their parking lot wasn’t accessible. The front desk lady came out and yelled at me. Seriously yelled.I wasn’t in the parking spot more than 2 minutes and they had probably 4 other open parking spots. I will never do business here based on that single interaction with their customer service. If that’s the type of employees interactions I can expect - zero reason to do business here.

Very helpful and reasonably priced services 👌

Brought my Mazdaspeed3 injectors to doctor injector and they where amazing! Very fast and looking brand new! Would highly recommend!

Sorry I really injoyed this shop I heard you guys were not going to be there any more I apologize I was wrong this is a great shop awesome place to go to would recommend this place to anybody

Russ really knows his stuff and the prices are more than fair. He has bailed me out more than once.

These guys were awesome got me in and out the same day. My jeep runs like it should again, maybe better! Thanks

This guy was great. Awesome work

Cannot say enough good things about Russ. The work was fantastic and the communication was unbelievable. He walked me through every step of rebuilding my throttle bodies including sending me photos of each process. Hard to find that quality of work and such great customer service these days. Thank you so much.

Nice people very well informative fair price

This place is the perfect place to bring your injectors they do the right job and they are really nice people definitely keep bringing my injectors to Doctor injector in Federal way 👍👌💪

I highly recommend Doctor Injector of Federal Way. Great guy and great work. Thank you again.

The best, nicest, fastest deliveryman, there are no other better shops for this work.

Nothing but excellent experience with Russ. Very knowledgeable and good at what he does I. wouldnt go anywhere else to get my injectors flow tested and cleaned. 5 🌟

Excellent service, excellent 24 hour turn around time.

Thanks Russ for the great work on my throttle body injectors. I really appreciate the fast turn around . I shipped the unit over one day and it was shipped back the next. I have been using Dr injector for a long time and am never disappointed. Jack Diehl Port Orchard Wa

Went there for some cleaning they did a good job and will recommend them

Knowledgeable people who do great work.

Always quality service

Within 2 months, my sons Nissan was running worse than before I brought it in. I made 1 call to discuss this with Performance Prep and was not encouraged to bring the car back. I also reported smelling gas again, and nothing was offered to help. I unfortunately didnt assert myself, and gave up. The car was running poorly, yet my son needed the car. Finally I had to do something as it was missing so bad, I decided to undertake the repair myself. I ordered 6 new 270cc injectors, new connectors, and a plenum gasket along with 6 pre-cut 9mm (5/16) hose material from Z1 motorsports. I removed the plenum, replaced the injectors, replaced the fuel hoses, and reinstalled the plenum. I documented the repair. The car now runs beautifully, just like a new car. Taking off the plenum, replacing the injectors and hoses is a big job. An honest mechanic will tell you. It can be seen that changing the injectors on these cars can only be done with the plenum removed. The fuel hoses can only be replaced with the plenum removed. Performance Prep didnt remove the plenum, but claimed to have installed new BOSCH INJECTORS. I HAVE THESE INJECTORS. THEY ARE NOT BOSCH INJECTORS. THEY ARE THE OLD ORIGINALS. PERFORMANCE PREP CHARGED ME $2,300.00. FOR A JOB THAT THEY DID NOT DO. I REALIZE I HAVE LET TOO MUCH TIME GO BY BUT THIS HAS BOTHERED ME FOR SO LONG THAT I FINALLY HAD TO SPEAK OUT

These guys inspected and cleaned my injectors and now my baby roars like a beast. Excellent work. Would recommend them to anyone

Great service, fast and reasonably priced.

Friendly and knowledgeable staff. Best place to go for cleaning and flowing or fuel injectors!

Fast and fair service

Highly recommend this place to get injectors tested and cleaned.

The place for fuel injector service and repair