Fuel Injector Ultrasonic Cleaning & Flow Testing
704-626-2733
Mooresville North Carolina

FAQ

[faq]

 

 

Frequently asked fuel injector questions:

1)      What is the cost of Fuel Injector cleaning?

a)      $22.00 per injector

b)      $10.00 for flow testing only/no cleaning

2)      What is the return time?

a)      If the injectors arrive before 2pm eastern, it will be returned the next day. Injectors received after 2pm eastern will be returned the next work day. Next day shipping is available.

3)      What is Flow Matching?

a)      Flow Matching is a process that groups a set of fuel injectors that have similar flow rates. Race City Injector can take a large sample group of injectors and “Flow Match” a group of the injectors that will ultimately have a flow rate variance of less than 1%.

4)      Do you charge more for side feed fuel injectors?

a)      No. Race City Injectors charges the same amount for top feed and side feed fuel injector cleaning.

5)      Do you service diesel Fuel Injectors?

a)      At this time Race City Injector doesn’t service diesel fuel injectors.

6)      Why should I have my Fuel Injectors Serviced?

a)      The fuel injector tips clog from solid deposits in the fuel and the filters/baskets collect debris which restricts fuel flow. On car cleaning or fuel additives won’t unclog a filter full of debris. When your injector is performing at optimum levels, it improves emissions, fuel economy, power and cold start dependability.

7)      What type of fuel injectors do you service?

a)      Race City Injector services the following fuel injectors:

i)        Top Feed

ii)       Side Feed

iii)     GDI Injectors

iv)     Natural Gas Injectors

v)      ATV Injectors

vi)     Marine Injectors

vii)   Snowmobile Injectors

8)     How does a Fuel Injector Work?

a)      Fuel from the fuel rail, under pressure, is sprayed in a very fine miss from the tip of the injector. To achieve this, a current must flow through the fuel injector electrical field coils. Contrary to popular belief, this is NOT done by sending power to the injector. Fuel injectors are normally fed power whenever the ignition key is on, but the circuit is not completed and therefore the injector is still close. The computer controls the ground side of the circuit. When the computer provides the injector with a ground, the circuit is completed and current is allowed to flow through the injector. This energizes an electromagnetic coil inside the injector, which pulls a sealing mechanism such as a pintle, ball, or disc away from its seat. This makes it possible for fuel to flow through the injector and into the engine. When the computer removes the electrical ground to the injector, the electromagnetic coil becomes demagnetized and a spring forces the pintle, ball, or disc shut to cut off fuel flow. Even at an engine speed of just 1000 RPM, this is done hundreds of times per minute.

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Natural Gas
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Marine
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Motorcycles / ATV
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Performance Testing
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