Infiniti QX4 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 Infiniti QX4 Fuel Pressure Sensor Replacement is $494 with $228 for parts and $266 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1997 Infiniti QX4V6-3.3L	Service typeFuel Pressure Sensor Replacement	Estimate$960.75	Shop/Dealer Price$1169.45 - $1685.30
2000 Infiniti QX4V6-3.3L	Service typeFuel Pressure Sensor Replacement	Estimate$721.63	Shop/Dealer Price$884.64 - $1263.21
2003 Infiniti QX4V6-3.5L	Service typeFuel Pressure Sensor Replacement	Estimate$740.63	Shop/Dealer Price$907.14 - $1288.33
1998 Infiniti QX4V6-3.3L	Service typeFuel Pressure Sensor Replacement	Estimate$721.63	Shop/Dealer Price$884.52 - $1263.00
1999 Infiniti QX4V6-3.3L	Service typeFuel Pressure Sensor Replacement	Estimate$721.63	Shop/Dealer Price$884.71 - $1263.33
2002 Infiniti QX4V6-3.5L	Service typeFuel Pressure Sensor Replacement	Estimate$740.63	Shop/Dealer Price$907.14 - $1288.33
2001 Infiniti QX4V6-3.5L	Service typeFuel Pressure Sensor Replacement	Estimate$755.63	Shop/Dealer Price$921.42 - $1302.08

Show example Infiniti QX4 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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Terry

30 years of experience

223 reviews

Terry

30 years of experience

by Brandon

Infiniti QX4 V6-3.3L - Distributor - Gilbert, Arizona

Great guy, super knowledgeable , super friendly and quick and to the point. I had an awesome experience with him and he helped get my car up and running in no time . I had attempted to do some work myself and messed it up and came to the rescue and did it right and was even kind enough to show me what i had done wrong (as I was curious) He didn't make me feel bad or dumb or anything. I would recommend him and YourMechanic to anyone !

Jeff

13 years of experience

46 reviews

Jeff

13 years of experience

by Marc

Infiniti QX4 V6-3.3L - Electric Problems - Frederick, Maryland

Great mechanic

John

36 years of experience

438 reviews

John

36 years of experience

by Peter

Infiniti QX4 V6-3.5L - Brake Pads Replacement (Front) - Belmont, California

Excellent communication and work. He found my car needed less work than I had ordered and reduced my bill! I will definitely use him again. Very honest.

Dario

9 years of experience

58 reviews

Dario

9 years of experience

by Carolyn

Infiniti QX4 V6-3.5L - Car is not starting - McDonough, Georgia

Dario was very professional and helped me understand mechanical talk. He explained the roles of the problem parts and how as well as why the problem existed. I highly recommend him.

Excellent Rating

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