STANDARD AS81 Intermotor Manifold Pressure Sensor 091769329198

( Brand: Standard ), ( Manufacturer Part Number: AS81 ), ( Product Type: Air Intake ), ( UPC: 091769329198 ), ( Fitment Type: Direct Replacement ), ( Partslink Number: 223652l900, 2236590000000000, 223659e02a, 223652y920, 2.23659e 25 ), ( Compatible Make S : Nissan, Infiniti ), ( Compatible Model S : Altima, Frontier, Maxima, Pathfinder, Xterra, Q45, I30, Qx4 ), ( Product Subtype: Intake Manifolds ), ( Type: Sensors Relays ), ( Series: Intermotor ), ( Product Details: Manifold Absolute Pressure Sensor ), ( Engine Version: Nissan Vq ), ( Department: Replacement )

Review STANDARD Nissan Intermotor Manifold Absolute Pressure Sensor fits ALTIMA 1997–1999

The Nissan Altima, manufactured between 1997 and 1999, is equipped with an advanced engine management system to ensure optimal engine performance. One crucial component of this system is the Intermotor Manifold Pressure Sensor, also known as the MAP sensor. This sensor plays a vital role in providing essential engine data, such as intake manifold pressure, to the engine control module (ECM). The ECM uses this information to calculate the correct air-fuel ratio for the engine, ensuring efficient combustion and optimal engine performance.

The standard AS81 Intermotor Manifold Pressure Sensor for Nissan Altima models from 1997 to 1999 is a high-precision electronic component designed and manufactured to meet OEM specifications. The sensor housing is typically made from a durable material, such as cast aluminum, to withstand the extreme temperatures and pressures within the engine compartment. The sensor element, a piezoelectric transducer, converts the mechanical pressure data into an electrical signal, which is then transmitted to the ECM via a wiring harness.

The AS81 Intermotor Manifold Pressure Sensor is designed to provide accurate and consistent readings, even under varying engine loads and operating conditions. It features a robust design with a protective cover to shield the sensitive internal components from contaminants and moisture. The sensor is also equipped with a heater element to ensure proper functioning in cold weather conditions, ensuring the engine management system can maintain optimal performance in various climates.

When the Intermotor Manifold Pressure Sensor fails, symptoms like a rough idling engine, poor fuel economy, and engine stalling may occur. To maintain your Nissan Altima's engine performance and longevity, it's essential to replace a faulty sensor with a genuine AS81 Intermotor Manifold Pressure Sensor. Installing a new sensor ensures the engine management system can accurately calculate the air-fuel ratio, improving overall engine performance, and fuel efficiency.

In summary, the standard AS81 Intermotor Manifold Pressure Sensor for Nissan Altima models from 1997 to 1999 is a vital component of the engine management system. It accurately measures intake manifold pressure and converts it into an electrical signal for the ECM to optimize the air-fuel ratio for efficient combustion. With its robust design, protective cover, and heater element, the AS81 sensor ensures consistent performance in various operating conditions. Replacing a faulty sensor with a new AS81 Intermotor Manifold Pressure Sensor ensures optimal engine performance, improved fuel efficiency, and longer engine life.

Pros and Cons of Buying a Replacement Intermotor Manifold Pressure Sensor (AS81) for a 1997-1999 Nissan Altima

a. Improved Engine Performance: A faulty AS81 sensor can cause issues in your Nissan Altima's engine performance, such as poor idling, rough running, and stalling. Replacing this sensor can help resolve these problems, leading to smoother and more efficient engine operation.

b. Enhanced Fuel Economy: A correctly functioning AS81 sensor can help optimize fuel injection, allowing your Altima to use fuel more efficiently, ultimately saving you money on gas.

c. Preventing Check Engine Light: If the check engine light is on due to a faulty AS81 sensor, replacing it will help turn off the light, providing peace of mind and avoiding potential inspection failures.

d. Cost-effective: Replacing the AS81 sensor is generally a more affordable repair compared to more complex engine issues.

a. Potential for False Positives: While a faulty AS81 sensor can cause issues, a new sensor may also cause false positives, leading to unnecessary repairs or frustration. However, this is rare and typically addressed through proper installation and calibration.

b. Labor Costs: The labor costs associated with replacing the AS81 sensor can be significant, especially if you choose to have a professional install it. This is due to the time and expertise required to diagnose the issue, remove the old sensor, and install the new one.

c. DIY Installation Complexity: Installing the AS81 sensor yourself can be a challenging task, as it is located in a hard-to-reach area and requires specific tools and knowledge. This may discourage some do-it-yourselfers from attempting the repair.

d. Availability: Depending on your location and the availability of parts, it may take some time to source and receive a replacement AS81 sensor.

Replacing the AS81 intermotor manifold pressure sensor in your 1997-1999 Nissan Altima can offer several benefits, including improved engine performance, enhanced fuel economy, and the elimination of the check engine light. However, it also comes with potential cons such as labor costs, false positives, installation complexity, and availability. Ultimately, the decision to replace the sensor depends on the severity of the issue, your personal skills and resources, and the overall cost-benefit analysis. If you are experiencing persistent engine issues and suspect a faulty AS81 sensor, it may be worth considering the investment for the potential improvements in engine performance and fuel economy. If you are unsure about the process or have limited resources, it may be best to consult a professional mechanic for an accurate diagnosis and repair.

Details:

Connector Type: Plug In. Connector Quantity: With many years of manufacturing experience, Standard is the name you can trust. Terminal Quantity: 3.

The highest quality control through the manufacturing process from component to finished product. Terminal Type: Blade. 100% product in-line and end-of-line inspection from raw material to packaging of finished. Warranty: 3 years/36,000 miles.

Terminal Gender: Male. Specifications: Connector Gender: Female. Features: The manufacturing process includes extensive use of robotics for precision assembly. Intermotor Manifold Absolute Pressure Sensor by Standard.

The MAP sensors are engineered for precision performance, durability and a long service life.

part #: as81 prices

• $75.14-$139.99

specifications inputmanifolds:

• for models: Altima
• for makes: Nissan
• for years: 1997-1999
• brand: Standard
• manufacturer part number: AS81
• product type: Air Intake
• upc: 091769329198
• fitment type: Direct Replacement
• partslink number: 223652l900, 2236590000000000, 223659e02a, 223652y920, 2.23659e 25
• compatible make s : Nissan, Infiniti
• compatible model s : Altima, Frontier, Maxima, Pathfinder, Xterra, Q45, I30, Qx4
• product subtype: Intake Manifolds
• type: Sensors Relays
• series: Intermotor
• product details: Manifold Absolute Pressure Sensor
• engine version: Nissan Vq
• department: Replacement

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New

payments inputmanifolds:

• credit card: Visa
• other
• wallet: Google-pay

seller inputmanifolds:

• rating: 97.3%
• city: Saint Paul, Minnesota
• # reviews: 122992

shipping inputmanifolds:

• carrier: FedEx
• type: Fixed
• cost: $0.00
• service: FedEx Ground or FedEx Home Delivery
• class: Standard
• transit: 3-7 Days

offer inputmanifolds:

• sold: 0
• options: Ship-to-home
• started: March 20, 2025
• availability: In Stock

returns inputmanifolds:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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