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Problems for specific Nissan Sentra years:

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Most reported 2003 Nissan Sentra problems

 

Verified for the Nissan Sentra

The engine may stall at times due to a failed crankshaft position sensor and/or camshaft position sensor, These sensors can fail intermittently as they warm with the engine. Sensors on certain models have been recalled by Nissan and will be replaced as necessary. Please visit our recall section for this model to see if your vehicle is covered by this recall.

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Verified for the Nissan Sentra

If the vehicle is hard to start after setting overnight, the problem could be the fuel pressure regulator has failed and is allowing the fuel pressure to bleed off. A failed fuel pressure regulator will should be replaced.

40 Reports
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Verified for the Nissan Sentra

The electronic throttle actuator (throttle body) can fail causing a loss of power and illumination of the Check Engine Light.

38 Reports
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Verified for the Nissan Sentra

The catalytic converter closest to the cylinder head can fail causing illumination of the Check Engine Light. Prompt repair of this problem is recommended because the catalyst material can be sucked into the engine and cause internal damage.

33 Reports
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Verified for the Nissan Sentra

The mass air flow (MAF) sensor can fail, causing various drivability problems. Our technicians remind us that proper diagnoses should be performed to confirm the cause of any driveability concerns.

27 Reports
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Verified for the Nissan Sentra

Crankshaft and camshaft position sensors can leak oil into the connector causing Check Engine Light illumination. The engine may also stall as a result. Leaking sensors should be replaced. Certain 2000-2003 models were recalled for a separate camshaft and crankshaft sensor issue. For more information on the recall please click here»

19 Reports
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Verified for the Nissan Sentra

Screws inside the intake manifold can become loose causing internal engine damage if they fall out completely. Our technicians report that using a strong thread locker on the power valve butterfly screws can help prevent them from becoming loose.

11 Reports
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Verified for the Nissan Sentra
The car's engine control unit can develop problems and may need replacement.
7 Reports
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Reported by mastertech6371 for the Nissan Sentra

Some Nissans with the 2.5 have multiple ignition coil failures.
The reason is the negative battery cable is corroded at the mounting at the bell housing on the transmission.
the solution is to replace the entire negative cable with a factory upgraded cable and replace the coils as well.

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