Welcome to Mr Injector Fuel Injector Cleaning
Gasoline Fuel Injectors Serviced for $17.50ea
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 cleaning restores them back into like new condition and performance. Your injectors are cleaned and flow tested on the 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. Notice: We don't service direct (GDI) injectors or diesel injectors |
Business Hours
8:00am - 3:00pm Pacific Phone 208-762-3450 bjcda2000@mrinjector.us |
How To Obtain Fuel Injector Service
Fill out this form and follow the directions for shipping
Turn around time is posted here. We return your items USPS Priority for $6.50, or you can supply your own return shipping lables for USPS, UPS or Fedex.
If you are in the Coeur d' alene area you can drop off your injectors at 6280 N. Government Way Unit 4 between 8:00am and 3:00pm Monday - Friday. 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.
What is ASNU Injector Service
ASNU injector repair service is a fuel injector cleaning process. It begins with injector flow testing and ultrasonic cleaning. Ultrasonic cleaning brings the injectors performance back to like new or good as new condition. That's where the ASNU name came from. Good as new. Servicing your injectors is preferable to reconditioned fuel injectors. Your high quality original equipment injectors just need a good ultrasonic cleaning and quality injector flow testing to ensure performance. New injector parts including pintle cap, spacers, filters and orings are installed to bring them back like new. Good ASNU and better than reconditioned fuel injectors. Try Mr Injector service for ASNU Injector Service, Injector flow testing and injector repair. .
If you are in the Coeur d' alene area you can drop off your injectors at 6280 N. Government Way Unit 4 between 8:00am and 3:00pm Monday - Friday. 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.
What is ASNU Injector Service
ASNU injector repair service is a fuel injector cleaning process. It begins with injector flow testing and ultrasonic cleaning. Ultrasonic cleaning brings the injectors performance back to like new or good as new condition. That's where the ASNU name came from. Good as new. Servicing your injectors is preferable to reconditioned fuel injectors. Your high quality original equipment injectors just need a good ultrasonic cleaning and quality injector flow testing to ensure performance. New injector parts including pintle cap, spacers, filters and orings are installed to bring them back like new. Good ASNU and better than reconditioned fuel injectors. Try Mr Injector service for ASNU Injector Service, Injector flow testing and injector repair. .
Fuel Injector News Updates
News
ASNU Injector Service - One of the components that is ignored is the filter. It protects the injector from contamination. With time age and mileage they become fouled and require replacement. We replace them during our fuel injector rebuild with a new replacement. A good fuel injector rebuild must include a new filter. This is something on the car cleaning does not include. We also replace the pintle cap on those applications with a replaceable one. The pintle cap will become brittle with age and can cause a intake leak if it fails.
No Diesel - We get lots of calls for diesel service but we stick to gasoline injectors only. We will service any gasoline injector with the exception of the CIS Direct used on some early Porsche, direct electronic and diesel.
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Why Not Clean Injectors On The Car?
Without a flow bench it's just a guess!
On the car fuel injection cleaning might be a good idea for maintenance but it doesn't get the injectors perfectly clean like ultrasonic cleaning does. Our experience in the shop with the flow bench has shown some injectors to be stubbornly dirty and difficult to clean. Even if you get them clean enough to solve a misfire are they up to 100% for power delivery?
Without a flow bench it's just a guess. Here is a illustration from the lab at ASNU showing a chemically cleaned unit and one cleaned ultrasonically with the ASNU flow bench and ultrasonic cleaning machine.
Without a flow bench it's just a guess. Here is a illustration from the lab at ASNU showing a chemically cleaned unit and one cleaned ultrasonically with the ASNU flow bench and ultrasonic cleaning machine.
The one shown below right has been cleaned on the ASNU flow bench using ultrasonic high frequency sound waves. It's perfectly clean and the flow rate, spray patten and penetration have been restored like new.
 This pintle had been cleaned on the car. It still has hard deposits interrupting flow. |
 Ultrasonic sound waves remove all the deposits restoring function to like new. |
The tolerances in the injectors are less than one micron. Any dirt effects this tolerance and therefore the flow volume. The volume effects power, but what about the spray pattern quality and penetration. Correct spray pattern formation is critical to torque rise and complete combustion. A dirty tip will not support the correct droplet size of fuel. If the droplet size is too small then the then fuel doesn't make it to the combustion chamber to be burned.
On The Car Injector Cleaning Doesn't Remove Filter Contamination
On the car cleaning doesn't address the filters in the fuel injectors. Each injector has a filter that gets restrictive with mileage. On car cleaning can't clean it. Replacement is the only way to bring the flow back to specification. There are lots of alternatives to cleaning gasoline fuel injectors such as additives, on car cleaning or even removing the injectors for a chemical soak but none of these methods guarantee injector performance because there is no flow test done. Let us service your injectors for you and have confidence that they perform like new. Click here to see our service procedure.
The Question about Rebuild Fuel Injectors and Fuel Injector Service
Rebuilt vs Serviced
There are some vendors out there that offer rebuilt fuel injectors but our experience testing them has shown very poor balance from one unit to another. If you have a core that fails the electrical test we recommend you buy a new unit. Most of the new ones we test provide good flow balance. We don't offer rebuilt fuel injectors even though most people consider what we do to be a fuel injector rebuild. Our process is one of cleaning your good cores and installing new service parts to bring the injector back into like new performance.
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Mr Injector / Bill Johnson
6280 North Government Way Unit 4 Dalton Gardens Idaho 83815 208-762-3450 Hours 8 to 3 Pacific M-F bjcda2000@mrinjector.us |
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