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Infiniti Q45 Fuel Pressure Sensor Replacement at your home or office.

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Fuel Pressure Sensor Replacement Service

How much does a Fuel Pressure Sensor Replacement cost?

On average, the cost for a Infiniti Q45 Fuel Pressure Sensor Replacement is $494 with $228 for parts and $266 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1990 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$1053.61Shop/Dealer Price$1258.54 - $1668.54
1993 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$949.61Shop/Dealer Price$1154.70 - $1564.82
2005 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$721.63Shop/Dealer Price$884.63 - $1263.19
1998 Infiniti Q45V8-4.1LService typeFuel Pressure Sensor ReplacementEstimate$778.63Shop/Dealer Price$952.01 - $1338.36
1994 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$949.61Shop/Dealer Price$1154.83 - $1565.05
1991 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$949.61Shop/Dealer Price$1154.68 - $1564.80
1999 Infiniti Q45V8-4.1LService typeFuel Pressure Sensor ReplacementEstimate$795.63Shop/Dealer Price$968.34 - $1354.18
1996 Infiniti Q45V8-4.5LService typeFuel Pressure Sensor ReplacementEstimate$975.61Shop/Dealer Price$1182.84 - $1594.57
Show example Infiniti Q45 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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Number of Infiniti Q45 services completed
671+
services done by our mechanics
TOTAL NUMBER OF EXPERT Infiniti MECHANICS
900+
experts on our platform
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Meet some of our expert Infiniti mechanics

Real customer reviews from Infiniti owners like you.

Excellent Rating

(61)
Rating Summary
58
3
0
0
0
58
3
0
0
0

Chris

16 years of experience
332 reviews
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Chris
16 years of experience
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by Shanderick
Infiniti Q45 V8-4.1L - Car starts and then dies Inspection - San Diego, California
Nice guy.

Pardeep

21 years of experience
1098 reviews
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Pardeep
21 years of experience
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by Earlene
Infiniti Q45 V8-4.5L - When I slow down and stop the car, engine shuts off - San Jose, California
Pradeep came on time and diagnosed the problem with my car. He was polite and respectfully wore a mask.

Pedro

31 years of experience
81 reviews
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Pedro
31 years of experience
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by David
Infiniti Q45 V8-4.1L - Brake Rotor/Disc Replacement (Front, Rear) - Lansing, Illinois
excellent, very knowledgeable, friendly, neat and efficient.

Eric

12 years of experience
230 reviews
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Eric
12 years of experience
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by Wassim
Infiniti Q45 V8-4.1L - Brake Rotor/Disc Replacement (Rear) - Cary, North Carolina
Great job. Satisfied.

Excellent Rating

(61)
Rating Summary
58
3
0
0
0
58
3
0
0
0
Number of Infiniti Q45 services completed
671+
services done by our mechanics
TOTAL NUMBER OF EXPERT Infiniti MECHANICS
900+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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