How to Replace the Fuel Pump on a 2010 Nissan Altima Sedan — 2.5L QR25DE, CVT

Fuel pump replacement on a 2010 Nissan Altima sedan with the 2.5L QR25DE gasoline engine and CVT begins with diagnosis. Long cranking, a crank/no-start, stalling and loss of power can involve fuel delivery, while an inaccurate gauge may accompany fuel-level sensor codes P0461, P0462 or P0463. These symptoms and codes do not prove the complete pump module has failed. Check the supply circuit, pressure, sender and other possible causes before buying parts.

Application and repair overview

The detailed steps cover the 2010 Altima sedan, 2.5L QR25DE, CVT, nonhybrid. The module is reached beneath the rear-seat cushion through the factory inspection opening. Routine module replacement uses that opening; tank removal and other body styles are separate procedures. The compatibility table lists the replacement’s broader catalog applications, but does not extend these steps or specifications to them.

DIY skill level

Intermediate to advanced: pressurized gasoline, cabin access and careful sealing.

Estimated repair time

2–4 hours after diagnosis; damaged fittings or contamination add work.

Estimated parts budget

$130–$300 for an aftermarket module, required sealing/retaining parts and routine consumables; tools extra.

Fuel-service safety: Work on a cool vehicle with strong ventilation and no smoking, flames, heaters or spark-producing equipment. Wear splash goggles and gasoline-compatible gloves; keep the factory-specified CO₂ extinguisher accessible. Protect the cabin and keep fuel-soaked materials out of it. The initial pressure-release sequence below requires a running engine. If the engine cannot run, keep every fuel connection closed and arrange professional depressurization before proceeding. Stop for fuel leaks, damaged locking features, uncertain parts fit or insufficient fuel-handling equipment.

Featured replacement: A-Premium APFP0233AM

ASIN: B07GZMS2H6. Part number: APFP0233AM, retaining the AM suffix. Quantity: one electric fuel-pump module assembly with sending unit. The selected product lists a pump, sender, float, strainer and fuel-pressure regulator; it excludes a pressure sensor. Obtain the required new tank seal, metal lock ring and correct green coupling retainer separately. Do not assume that a complete pump assembly includes these vehicle installation parts.

View A-Premium fuel-pump module

Compare the original module and connector layout before installation. Listed references include 17040-9N00A, 17040-JA00A, 17040-ZX00A, 17040-ZX00B, 17040-ZX01B, E8755M and FG0986. The manufacturer’s related APFP0233 catalog shares application and interchange information; the featured retail item is APFP0233AM. Match the VIN, engine, production date, body style and original reference with the supplier.

Vehicle compatibility

Vehicle and body Catalog years Engine and fuel Application limits
Nissan Altima sedan 2007–2012 2.5L L4 QR25DE gasoline Detailed procedure: 2010 nonhybrid CVT sedan only.
Nissan Altima coupe 2008–2012 2.5L L4 QR25DE gasoline Part application; use the correct coupe service procedure.
Nissan Altima S coupe 2013 only 2.5L L4 QR25DE gasoline S Coupe only for this year; do not extend to the 2013 sedan.
Nissan Altima sedan 2007–2012 3.5L V6 VQ35DE gasoline Part application; V6 diagnostic and service instructions differ.
Nissan Altima coupe 2008–2012 3.5L V6 VQ35DE gasoline Part application; this is not the detailed sedan procedure.
Nissan Maxima sedan 2009–2014 3.5L V6 VQ35DE gasoline Part application; obtain the exact Maxima service procedure.

The selected listing does not state an additional transmission or drivetrain restriction; that is not a guarantee for every configuration. Hybrid service and modified fuel systems are outside this guide. The 2010 Altima sedan OE catalog lists matching pump references with production-date changes. Confirm the delivered part rather than relying on the broad year range or packaging picture.

Symptoms, fault codes and diagnosis

Start with actual fuel quantity, battery condition and normal cranking speed. Save codes and freeze-frame data, then inspect accessible wiring, grounds and connectors. A blown fuse, poor supply connection, restricted line, contaminated fuel, intake leak or ignition problem can imitate a weak pump. Hearing the pump run does not establish adequate pressure, and silence alone does not locate an electrical fault.

P0461 concerns sender range/performance; P0462 is low circuit input and P0463 high input. Inspect wiring, connections and float operation instead of automatically replacing the whole assembly. Nissan bulletin NTB10-017 describes a sender-only repair for its applicable gauge/code incident. Confirm those conditions; a functioning pump does not need replacement merely because the gauge is inaccurate.

Pressure test: use the defined QR25DE conditions

The 2010 QR25DE specification is approximately 350 kPa (51 psi) at idle, for both listed emissions versions. It is not a key-prime, no-start or universal Nissan pressure value. Use the complete J-44321 pressure kit with the correct engine-side inline adapter, hoses and connections. Release pressure and isolate the battery before fitting it. Secure every connection, restore power and check for leaks with ignition on, then start and read at idle. Investigate supply, restrictions and regulation before condemning the module. Nissan EC-558/1053 pressure test.

Before removing the tester, repeat the documented pressure release and electrical isolation; the same nonrunning stop applies. Contain residual hose fuel, restore the original connection and repeat closed-system leak checks. A basic OBD-II reader can save generic codes and freeze-frame data but cannot perform Nissan work-support functions. Obtain the complete diagnostic setup or professional diagnosis before opening the module if the required equipment or safe release method is unavailable.

Tools, parts and supplies

Gather the installation parts and correct pressure equipment before opening the system. The standard repair uses the seat access, so this list does not require lifting the car or supporting a dropped tank. Match the actual fastener heads and every tool connection; optional diagnostic and conditional recovery equipment are labeled.

Tool or Supply Exact Product Product Link Purpose and Selection Check
Sockets, ratchets and hand drivers DEWALT DWMT73801 108-Piece SAE and Metric Mechanics Tool Set View 108-piece hand-tool set Use its 1/4- and 3/8-inch ratchets, extensions and correctly fitting sockets for ordinary fasteners; use a fitting hand driver for the inspection-cover retainers. Confirm head sizes before starting. Fuel quick connectors release by hand.
Battery-terminal torque wrench EPAuto ST-013-1 1/4-Inch Drive Torque Wrench, 20–200 in-lb View 20–200 in-lb torque wrench The 20–200 in-lb range covers the battery-terminal nut at 5.4 N·m (48 in-lb). Fit the correct 1/4-inch-drive socket and stop at the click. This battery specification does not apply to the fuel-module lock ring.
Conditional hand drive for the ring tool TEKTON SBH00218 1/2-Inch Drive × 18-Inch Breaker Bar View 18-inch breaker bar Use only if the supplied Nissan lock-ring tool accepts a 1/2-inch square drive; confirm before buying. Apply controlled hand force with full engagement. Otherwise obtain the tool maker’s specified drive or adapter; never hammer the ring.
Optional generic OBD-II reader Autel AL319 OBD-II Code Reader View AL319 code reader Record engine codes, pending codes, freeze-frame and available generic data before clearing anything. This reader is useful for initial diagnosis and readiness checks; it cannot perform Nissan CONSULT work-support functions or Idle Air Volume Learning.
Optional electrical diagnostic meter Innova 3320 Auto-Ranging Digital Multimeter View Innova 3320 meter Use with the exact wiring diagram and suitable protected probes to investigate pump power and ground. Follow the circuit test’s connection method. Never measure resistance on a powered circuit or place the current input across a battery.
Wheel chocks MaxxHaul 70472 Solid Rubber Wheel Chocks, 2-Pack View rubber wheel chocks Chock the grounded vehicle on firm, level pavement during diagnosis and rear-seat access. Match the two 8 × 4 × 6-inch chocks to the tires and placement. Keep the parking brake applied and use Park or the appropriate gear.
Chemical-splash eye protection 3M 91252H1-DC-10 Chemical Splash Goggles View splash goggles Wear correctly fitted, indirect-vent splash goggles during pressure release, fuel-line work and module removal. Clean and inspect the lenses and strap. These goggles protect the eyes; they do not make a poorly ventilated cabin safe.
Fuel-compatible chemical gloves Honeywell North SilverShield SSG/7 Gloves, Size 7, 10-Count Package View SilverShield size-7 gloves Confirm hand size and chemical resistance for the actual gasoline blend and contact time. These thin barrier gloves need a compatible overglove where abrasion or cuts are possible. Replace damaged or contaminated gloves promptly; do not assume every nitrile glove is suitable.
CO₂ fire extinguisher Amerex 322, 5 lb Carbon Dioxide Fire Extinguisher View Amerex CO₂ extinguisher Keep this serviced 5-B:C carbon-dioxide extinguisher accessible with a clear exit, as Nissan’s fuel-system precautions require. Know its label and operation. Prevent ignition sources and fuel spills; the extinguisher does not replace ventilation or safe handling.
Closed gasoline receiver Eagle UI50FS 5-Gallon Gasoline Safety Can with F-15 Funnel View 5-gallon gasoline safety can Collect small recovered fuel quantities with ample spare capacity, then close the lid and move the can to a safe location. Preserve the flame arrester and self-closing lid. This receiver alone is not a bulk tank-draining system.
Complete Nissan fuel-pressure test equipment Nissan J-44321 fuel-pressure gauge kit; current catalog NI-44321-B, with the correct QR25DE inline fittings Source by specification Provide the complete gauge, fuel-tube adapters, compatible hoses and fittings specified for the 2010 QR25DE connection. Confirm the assembly instructions before opening a line. Use the separate initial pressure-release procedure; a disconnected inline gauge cannot depressurize the system.
Required Nissan lock-ring wrench and matching hand drive Nissan KV991J0090 / J-46214 lock-ring wrench; current NI-46214, with its specified socket-drive handle Source by specification Obtain the exact ring wrench and its matching hand drive before removing the old ring. Seat the tool fully and keep load controlled. The 1/2-inch breaker bar above is conditional; confirm mating dimensions and any specified adapter.
Required new module sealing ring Genuine Nissan 17342-7Y000 fuel-pump packing, after VIN and tank confirmation Source by specification Have one correct new ring before opening the tank; this selected pump listing does not promise one. Confirm the VIN, tank groove and new module flange, then seat the new seal evenly. Do not reuse the old seal or add unspecified sealant.
Required new module lock ring Genuine Nissan 17343-7Y000 fuel-gauge lock plate, after VIN and tank confirmation Source by specification Nissan requires replacement of the removed lock ring for this procedure. Obtain the correct new plate and inspect the tank’s engagement features before installation. Match the VIN and tank; a new sealing ring does not replace this metal retaining part.
Required new fuel-connector retainer Correct new Nissan green module-connector retainer; catalog reference 17532-JA00A, with current replacement selected by VIN Source by specification Replace the green retainer when installing the new module. Obtain Nissan’s current replacement for the actual VIN and fuel-tube connector before disassembly. Color alone does not establish fit. Engage both tabs, inspect them and pull-check the completed connection.
Nissan diagnostic setup for guided idle learning Licensed full CONSULT-III plus, genuine NI-52925-VI3, supported PC, supplied USB and DLC2 cables Source by specification Required for this guide’s scan-assisted post-battery learning route; arrange equipped professional service if unavailable. Confirm vehicle communication and Idle Air Volume Learning access. Provide licensed software, supported PC, genuine interface and cables; the AL319 cannot perform this function.
Timing light and compatible No. 1 coil-wire pickup Timing light with pickup and leads verified for Nissan’s QR25DE No. 1 ignition-coil-wire connection Source by specification For the required timing check, connect the verified pickup at the No. 1 coil wire exactly as Nissan figure ALBIA0065ZZ shows, then read the timing indicator. Confirm this pickup arrangement before buying; a scan-tool timing value does not replace the light.
Conditional excess-fuel recovery Complete gasoline-rated workshop recovery and closed-storage system with a vehicle-compatible withdrawal route Source by specification If fuel could escape through the opened module flange, lower the fuel level using approved recovery equipment before proceeding. Supply enough closed receiving capacity and follow bonding, grounding and fill limits. Do not improvise a pump, siphon by mouth or force hoses.
Clean surfaces and temporary connection protection Clean lint-free material and clean protective caps or bags sized for the opened fuel connections Source by specification Remove loose dirt before opening the flange and keep it out of the tank. Cover disconnected fuel fittings completely while work is paused. Use clean, non-shedding materials; keep battery electrolyte, solvents and damaging tools away from resin tubes.
Residual-fuel catch and spill containment Gasoline-compatible shallow catch pan, static-dissipative absorbents such as PIG MAT214, and a suitable closed waste container Source by specification Position a suitable catch pan and absorbents before disconnecting fuel fittings. Protect cabin trim and transfer collected fuel promptly to approved closed storage. Put contaminated materials into the correct waste container; do not leave open fuel or soaked cloths inside the car.

DIY versus professional cost

For planning, allow $80–$160 for an aftermarket module and $50–$140 for the required seal, lock ring, retainer and routine consumables: approximately $130–$300 before tools. Damaged hoses, contaminated fuel and additional diagnosis cost extra. Basic hand tools and a generic reader may add $120–$350 if not owned. The complete Nissan diagnostic system, specialist pressure equipment and any fuel recovery are additional: arrange suitable borrowing/rental or professional diagnosis and learning service. These budgeting estimates are not current Amazon prices.

RepairPal’s model-year estimate is $988–$1,034 total, with labor of $98–$143 and parts around $891. Taxes, fees, location differences and related repairs are excluded. This is an independent shop benchmark, not a quote for installing the featured aftermarket part. Ask for an itemized price covering the actual module, diagnosis, installation materials and warranty. View the 2010 Altima replacement-cost estimate.

Fuel-pump module replacement through the rear-seat opening

1. Prepare the car and release pressure

Park level, apply the parking brake, select Park where fitted and chock the wheels. Finish diagnosis first. With the engine off, turn the filler cap about one-third of a turn, pause until any hissing stops, then remove it. This relieves tank vapor pressure; it does not release pressure trapped in the feed line.

For the factory fuse method, with ignition off remove fuel-pump fuse No. 32, 15A, in the engine-bay IPDM E/R, checking the vehicle’s identification first. Start the engine and let it stop, crank two or three additional times, then switch ignition off. The CONSULT alternative selects FUEL PRESSURE RELEASE in WORK SUPPORT with ignition on, then runs the engine to a stop, cranks two or three times and switches off. Both methods require the engine initially to run. Nissan pressure-release sequence.

If the engine cannot complete the running pressure-release sequence, stop with the fuel system closed. Do not loosen a hose to bleed it or treat an open cap, removed fuse or unsuccessful cranking as proof of zero pressure. Residual fuel can remain even after the correct sequence. Disconnect and isolate the negative battery lead, observe the three-minute SRS power-down precaution and use hand tools around the fuel system. If the actual fuel level could spill through the opening, arrange appropriate recovery before opening it; do not trust a faulty gauge.

2. Remove the seat cushion and inspection cover

Pull each front-bottom seat-cushion lock forward, lift the cushion to free its wire from the plastic hooks, then draw it forward. Protect the upholstery and belt buckles; leave the seatbacks and belt anchors in place. Turn the inspection cover’s four retainers 90° clockwise to release it. Clean the surrounding surface before exposing a fuel connection; do not use an ordinary electric vacuum around fuel vapor. Nissan sedan seat access, SE-60.

3. Disconnect the module carefully

Record hose and harness routing, then disconnect the module electrical connector, EVAP hose and feed-hose quick connector. Hold the connector sides, fully depress the tabs and pull the tube straight out. If stuck, gently push and pull until it moves; avoid excess twisting. Do not use a disconnect tool on these module quick connectors. Catch residual fuel and protect open ends with clean, fuel-compatible covers. Obtain the correct new green retainer for the replaced module; do not reuse damaged or distorted locking parts.

4. Remove the module and renew installation parts

Seat the specified KV991J0090 / J-46214 lock-ring tool fully and use its correctly matched hand-drive handle to release the ring. Control the module as its retention is released. Discard the old metal lock ring and rubber ring seal. Lift the assembly out without bending the float arm; let its residual fuel drain safely into the tank, then contain the removed module in a gasoline-compatible tray.

Inspect the tank opening, locking features and sealing surface for damage. Contamination must be removed before the replacement is fitted. Compare module height, connections and float travel with the original. Keep dirt out of the tank and do not bend the new float arm to force a match. Stop if the new module or required retaining parts do not match.

5. Fit the seal, module and new retaining ring

Install the correct new ring seal on a clean, undamaged sealing surface. Position the module with its fuel-feed hose connection toward the front of the vehicle. Keep the float clear as the assembly enters the tank. Install the new metal lock ring using the specified tool, reversing removal and restoring complete engagement. Keep the seal, hoses and wiring free. Do not substitute a hammer and punch or force a ring that will not seat correctly. Nissan module installation, FL-6–9.

Fit the correct new green retainer as required by the connection design. Inspect each coupling for dirt or damage, align it straight and insert until it clicks. Pull the tube and connector to confirm engagement, then visually check that both retainer tabs are seated. Reconnect the EVAP hose and electrical connector, following the recorded routing.

6. Restore power and inspect for leaks

Ensure every fuel connection is closed, the pump module is secured and tools and contaminated materials are removed. Refit the correct pump fuse. When spills and vapors have cleared, reconnect the negative battery clamp to 5.4 N·m (48 in-lb). Tighten the fuel cap until its ratcheting clicks are heard.

With the seat access still available for inspection, switch the ignition on without starting and check disturbed connections for leaks. If dry, start the engine, let it idle and repeat the inspection. Stop immediately for leakage or fuel odor. Check gauge operation and returning codes; record any repair-induced codes before clearing them. Refit and secure the inspection cover and seat cushion only after the checks pass, keeping the belt buckles free. Confirm both seat locks hold before driving.

7. Complete the Nissan post-battery learning checks

The battery service instructions list Idle Air Volume Learning after disconnection. Arrange the supported CONSULT setup or a professional learning service. First learn the released accelerator position: with the pedal released, switch ignition on for at least two seconds, off for at least ten seconds, and repeat that on/off sequence. For throttle-closed learning, leave the pedal released, switch on, then off for at least ten seconds; listen for throttle movement. Nissan post-battery requirements.

For CONSULT idle learning, warm the engine and transmission. Coolant must be 70–100°C (158–212°F), idle voltage above 12.9V, selector in Park or Neutral, steering straight and vehicle stopped. Turn off A/C, headlights and rear defogger; the CONSULT ATF temperature-sensor reading must be below 0.9V. Select IDLE AIR VOL LEARN in WORK SUPPORT, select START, wait twenty seconds and require CMPLT. Rev two or three times, then check 650 ±50 rpm and 15 ±5° ignition timing in Park/Neutral. Measure timing at the factory indicator with the specified timing-light connection to the No. 1 ignition-coil wire; a scanner timing value does not replace this measurement. If learning fails, diagnose the cause and repeat. Nissan learning and confirmation procedures.

Restore equipped window, clock and other settings according to the owner/service instructions. Road-test after safe reassembly and leak checks, confirm normal power, then recheck for odor, leakage and returning codes. Do not drive with a fuel leak, insecure seat cushion or unresolved running fault.

Component illustration

Generic electric fuel-pump assembly with strainer and fuel-level sender float
Generic educational pump and sender example from a different vehicle; this is not the featured product. Photo: Austin Davis, Wikimedia Commons; reuse permitted.

Common mistakes

  • Replacing the entire pump for a sender code without checking the sender-only diagnostic path.
  • Ordering for a 2013 sedan when the product’s 2013 application is the 2.5L S Coupe.
  • Assuming a failed start or removed cap means the feed line is depressurized.
  • Reusing the old lock ring or seal, omitting the new green retainer, or bending the float arm.
  • Prying the module quick connectors with a tool or forcing a misaligned connection.
  • Closing the cabin access before static and idle leak checks, or leaving the seat cushion unsecured.

Frequently asked questions

Does the fuel tank have to come out?

For the documented 2010 nonhybrid sedan module replacement, access is through the opening beneath the rear-seat cushion. Tank contamination, damaged tank parts or other configurations may require separate work.

Is the tank seal supplied with this pump?

Do not rely on it. Obtain the correct new seal, new metal retaining ring and new coupling retainer before beginning. The related manufacturer catalog lists no sealing ring, and the selected retail package does not promise these installation parts.

Do P0461, P0462 or P0463 mean the pump motor is bad?

No. They concern fuel-level sensing. Diagnose the circuit and sender; an applicable Nissan bulletin describes sender-only repair, which is different from replacing the complete pump assembly.

Can I use these instructions for a Hybrid or Maxima?

No. The compatibility table describes the listed part applications. These access steps, battery work and pressure conditions cover only the stated 2010 nonhybrid Altima 2.5L CVT sedan.

What if the engine will not run to relieve pressure?

Keep all fuel connections closed and arrange vehicle-appropriate professional depressurization. Connecting an inline tester by first opening a pressurized hose is not a safe substitute.

Sources and further reading

Nissan factory workshop information supplies the application-specific procedures. Use the section and emissions branch matching the actual vehicle.