Mazda MX-3 Fuel Pressure Sensor Replacement Costs

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Fuel Pressure Sensor Replacement Service

How much does a Fuel Pressure Sensor Replacement cost?

On average, the cost for a Mazda MX-3 Fuel Pressure Sensor Replacement is $347 with $214 for parts and $133 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1992 Mazda MX-3V6-1.8L	Service typeFuel Pressure Sensor Replacement	Estimate$634.78	Shop/Dealer Price$759.73 - $1094.09
1993 Mazda MX-3V6-1.8L	Service typeFuel Pressure Sensor Replacement	Estimate$598.78	Shop/Dealer Price$723.77 - $1058.14
1995 Mazda MX-3V6-1.8L	Service typeFuel Pressure Sensor Replacement	Estimate$598.78	Shop/Dealer Price$723.76 - $1058.14
1994 Mazda MX-3L4-1.6L	Service typeFuel Pressure Sensor Replacement	Estimate$788.95	Shop/Dealer Price$966.93 - $1469.39
1995 Mazda MX-3L4-1.6L	Service typeFuel Pressure Sensor Replacement	Estimate$788.95	Shop/Dealer Price$966.98 - $1469.49
1992 Mazda MX-3L4-1.6L	Service typeFuel Pressure Sensor Replacement	Estimate$788.95	Shop/Dealer Price$966.96 - $1469.45
1996 Mazda MX-3L4-1.6L	Service typeFuel Pressure Sensor Replacement	Estimate$795.95	Shop/Dealer Price$973.77 - $1476.12
1994 Mazda MX-3V6-1.8L	Service typeFuel Pressure Sensor Replacement	Estimate$607.78	Shop/Dealer Price$733.19 - $1067.88

Show example Mazda MX-3 Fuel Pressure Sensor Replacement prices

What is the Fuel Pressure Sensor all about?

In fuel-injected and diesel engines, fuel rail pressure sensors monitor the pressure in the fuel rail and report the reading to the engine control module. If any drop in pressure is detected, the engine control module compensates so that the fuel pump can restore the proper pressure. A valve controls this pressure; if the sensor ever fails, you should replace it. Sometimes, the entire fuel rail may need to be replaced, but the sensor is a weak point in the loop that is more prone to damage.

If the sensor is working properly, only the amount of fuel that is needed to make the engine run properly will be delivered. Minimal excess fuel will be circulated back to the tank in the fuel return line.

Keep in mind:

Other problems such as a faulty crank position sensor, cam position sensor, air flow sensor, boost pressure sensor, and temperature sensor can mimic symptoms of a bad fuel rail sensor.
Starting problems may have myriad causes that are entirely unrelated to sensors.

How it's done:

The fuel pressure is bled and battery is disconnected
The defective fuel rail sensor is removed
The new fuel rail sensor is installed
The battery is reconnected
The repair is verified and the vehicle road tested for proper operation

Our recommendation:

The fuel rail sensor is not part of a maintenance check, and is only addressed when it fails. If you suspect a problem with your fuel rail sensor or fuel delivery system, have one of our expert mechanics inspect and replace the fuel rail sensor if necessary.

What common symptoms indicate you may need to replace the Fuel Pressure Sensor?

Car won’t start
Car runs erratically
Check Engine light comes on and stays on

How important is this service?

If your fuel rail sensor is faulty, you may experience difficulty starting the engine or poor performance that could cause trouble in traffic. Have a failed fuel rail sensor replaced as soon as possible.

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Cesar

32 years of experience

4 reviews

Cesar

32 years of experience

by Samantha

Mazda MX-3 L4-1.6L - Pre-purchase Car Inspection - Arcadia, California

Excellent service! Very informative.

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16 years of experience

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16 years of experience

by Rosemary

Mazda CX-7 L4-2.3L Turbo - Car is not starting Inspection - Powder Springs, Georgia

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23 years of experience

903 reviews

Tien

23 years of experience

by robin

Mazda 3 L4-2.0L - Oil Change - Albany, California

Brett

10 years of experience

197 reviews

Brett

10 years of experience

by Tyler

Mazda 3 L4-2.3L - Clunking or knocking noise from wheels - Austin, Texas

Brett showed up early, and got everything done very quickly. Even though both Brett and myself could not recreate the occurrence of the issue, he overviewed the whole car, and even let me know about recommended maintenance on the timing chain for my car. Overall very easy to talk to, very knowledgable, and would highly recommend to anyone.

Excellent Rating

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Rating Summary

4,187

142

36

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71

4,187

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36

18

71

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