Welcome to Mr Injector Fuel Injector Service

Gasoline Fuel Injector Service
Port Top Feed $22.00ea - Side Feed $25.00ea - Throttle Body $30.00ea - Hose Feed $28.00ea - Motorcycle & Watercraft $30.00ea - Port Marine $22.00ea - GDI Direct Injectors $28.00ea  - See Price Here

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We service gasoline fuel injectors using the ASNU ultrasonic flow bench and service machine. Why buy reconditioned fuel injectors when we can make yours like new again.

Fuel injectors rarely die. They just get dirty. Fuel injector service restores them back to like new performance. Your injectors are cleaned, and flow tested on an ASNU flow bench and ultrasonic cleaning machine. After cleaning, new injector parts including filters, O-rings, spacers and pintle caps are installed. They are returned with a before and after flow report. 
Business Hours
8:00am - 3:00pm Monday - Thursday Pacific Time
Phone 208-762-3450
Closed Friday - Sunday 
How To Obtain Service
 Click on the "Service Form" button and follow the instructions. Everything you need to know is on this page
I've have been in automotive service for over forty years. I started servicing fuel injectors in 1994 when I bought an ASNU flow bench. I used it to service my customers fuel injectors and started offering the service to independent shops and car dealers. Since those days I have closed the auto shop and offer fuel injection service full time. ​I use my forty plus years of experience when servicing your injectors. My shop is in Coeur d' alene Idaho. I service injectors from all around the country. Bill Johnson

How To Obtain Fuel Injector Service
Fill out this form and follow the directions for shipping

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Turnaround time is posted here.  We return your items USPS Priority 

If you are in Coeur d' Alene you can drop off your injectors at 6280 N. Government Way Unit 4 between 8:00am and 3:00pm Monday - Thursday. We don't need the fuel rail so just bring in the injectors. You can bring them in after hours and use our after-hours service drop off. There are instructions on the door.
We Service Gasoline Direct Injection
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We have updated our shop with a new ASNU GDI Classic fuel injector flow bench to service the recent technology in fuel injection. Direct injection is here to stay. It provides good power and economy, however because the injector discharge nozzle is in the combustion chamber they tend to foul and cause performance problems. We service any direct injector except for Piezo injectors used on some of the European vehicles. If you are unsure of what type you have, send in this contact form and I'll verify your application: Direct Injection We replace the compression seal and fuel seal as part of the service.

Should You Do-It Yourself?
​Without a flow bench it's just a guess.

How To Obtain Service
 Click on the "Service Form" button and follow the instructions. Everything you need to know is on this page
​Mr Injector / Bill Johnson
6280 North Government Way Unit 4
Dalton Gardens Idaho 83815
208-762-3450 
Business Hours 8 to 3 Monday - Thursday Pacific Time
​Closed Friday - Sunday
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