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1N4GB32A6MC780161
Vehicle Summary
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.
Complete Specifications
Common Issues for This Vehicle
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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