Marren Fuel Injection - We Service All Your Fuel Injection Needs Marren Fuel Injection - We Service All Your Fuel Injection Needs
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Injector Service

How to restore your engine’s power in 3 easy steps:

1.) Remove and package your engine’s fuel injectors. Wrap them individually so they don’t get damaged in shipping.

2.) Print out a copy of our Information Sheet, fill it in, and place it in the package with your injectors.  Ship the package to:

Marren Fuel Injection
91 Willenbrock Rd. Unit B2
Oxford , CT 06478

3.) Let Marren Fuel Injection take care of the rest. With our process, we will flow test, clean, and service your injectors. We will also install new pintle caps, o-rings, and in-line filters. When they arrive at your door, they will be ready to install.  A computer analysis sheet showing all of our test results will accompany them.

This injector was heavily fouled with deposits.  It was almost replaced at a cost of over $100. 

The same injector after being serviced by Marren Fuel Injection.  Flow is back to 100%, spray pattern shows good atomization and proper cone shape.

Many fuel injectors that are in need of service are mis-diagnosed as defective!  These injectors can be returned to factory specification at a fraction of the cost of new replacements.  Our turnaround is very quick (typically 1-2 working days*), and our results are backed by a 20-year track record of success.  No appointments are needed for standard service—just send your injectors in to us!

Injector service pricing:

Top feed (o-ring, hose end, or mechanical), 3 or more

$24.95 each 

Top feed (o-ring, hose end, or mechanical), 2 or less

$35 each

Side feed, 3 or more

$35 each

Side feed, 2 or less

$50 each

Install hose kits on hose-end injectors

Add $7.95 each

For Porsche 928 electronic injectors ONLY, install Bosch seal kits

Add $13.50 each

Same Day Service (MUST call ahead to make an appointment)

Add $25 per set

Custom testing, bulk rates, accounts


* NOTE:  Does not include shipping times.

In association with:

91 Willenbrock Road Unit B-2
Oxford, CT 06478

203-267-FUEL (3835)

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