1N4GB32A6MC780161

The 1991 Nissan Sentra is a compact sedan that features a 2.0-liter SR20DE engine with four cylinders. Manufactured by Nissan North America, Inc. at the Smyrna Plant in Tennessee, this model offers a 3-point automatic belt system for enhanced safety. With a gross vehicle weight rating class of 6,000 lb or less, it is designed to be a lightweight and efficient passenger car.

Decoded VIN:

Make

NISSAN

Manufacturer Name

NISSAN NORTH AMERICA, INC.

Model

Sentra

Model Year

1991

Plant City

SMYRNA

Vehicle Type

PASSENGER CAR

Plant Country

UNITED STATES (USA)

Plant Company Name

Smyrna Plant

Plant State

TENNESSEE

Body Class

Sedan/Saloon

Doors

Gross Vehicle Weight Rating From

Class 1: 6,000 lb or less (2,722 kg or less)

Gross Vehicle Weight Rating To

Class 1: 6,000 lb or less (2,722 kg or less)

Engine Number of Cylinders

Displacement (CC)

2000.0

Displacement (CI)

122.04748818946

Displacement (L)

2.0

Engine Model

SR20DE

Seat Belt Type

Automatic

Other Restraint System Info

3 Points Automatic Belt System

Most common problems:

Oil leaks

The SR20DE engine is known to develop oil leaks, often from the valve cover gasket or front and rear main seals.

Timing chain tensioner issues

Over time, the timing chain tensioner can wear out, leading to a rattling noise on startup and potentially causing timing issues.

Idle control problems

The idle air control valve (IACV) can become dirty or fail, leading to irregular idle speed or stalling.

Fuel injector failures

Fuel injectors can become clogged or fail, causing poor engine performance and misfires.

Cooling system problems

Radiator and coolant hoses may deteriorate, leading to coolant leaks and potential overheating.

Mass air flow sensor issues

The MAF sensor can become dirty or fail, leading to incorrect air-fuel mixture and poor performance.

Egr valve problems

The Exhaust Gas Recirculation (EGR) valve can become clogged with carbon deposits, affecting engine efficiency and emissions.

Spark plug fouling

Spark plugs can become fouled with carbon deposits or oil, leading to misfires and poor engine performance.

Distributor issues

The distributor cap and rotor can wear out, causing ignition problems and misfires.

Vacuum leaks

Vacuum hoses can deteriorate and leak, leading to rough idle and poor engine performance.

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