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2003 Nissan Altima Problems

Find the most common issues based on 2003 Nissan Altima owner complaints.
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Most Common 2003 Nissan Altima Problems

The engine may stall when the engine is warmed up. This can be caused by a failed crankshaft position sensor and/or camshaft position sensor. These sensors can fail intermittently so the problem ma...
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 sucke...
Nissan Altima's with the 3.5L V6 engine can experience oil leaks from the engine due to a leaking oil cooler o-ring. This leak often occurs after an oil change because the oil filter is attached to...
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0 Known 2003 Nissan Altima Brakes Problems

1 Known 2003 Nissan Altima Drive Train Problem

2 Known 2003 Nissan Altima Electrical & Lights Problems

Failure of the ignition power transistor can cause a "crank-no start" condition.
The electronic throttle actuator (throttle body) can fail causing a loss of power and illumination of the Check Engine Light.

13 Known 2003 Nissan Altima Engine Problems

The engine may stall when the engine is warmed up. This can be caused by a failed crankshaft position sensor and/or camshaft position sensor. These sensors can fail intermittently so the problem ma...
Nissan Altima's with the 3.5L V6 engine can experience oil leaks from the engine due to a leaking oil cooler o-ring. This leak often occurs after an oil change because the oil filter is attached to...
Nissan issued a recall on the fuel pump for premature failure. There was an owner notification program and labels were placed on the fuel pump access panel and next to the AC charge label in the en...

2 Known 2003 Nissan Altima Exhaust & Emissions Problems

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 sucke...
Welds on the catalytic converter heat shield can corrode causing a rattle during acceleration and possibly causing Check Engine Light illumination. The common repair for this issue is replacement o...

1 Known 2003 Nissan Altima Heating & Air Conditioning Problem

The AC system may blow warm air due to refrigerant loss caused by a leaking low pressure AC hose. These hoses commonly develop a leak at the hose crimp connection.

1 Known 2003 Nissan Altima Maintenance Problem

The throttle body for the Nissan Altima is known for carbon buildup, and requires regular, light cleaning to maintain peak performance. After cleaning the throttle body, many owners notice a very h...

2 Known 2003 Nissan Altima Miscellaneous Problems

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....

1 Known 2003 Nissan Altima Suspension & Steering Problem

The front struts can wear prematurely and create a knocking noise when driving over bumps.

23
Known 2003 Nissan Altima Problems & Complaints

Nissan issued a recall on the fuel pump for premature failure. There was an owner notification program and labels were placed on the fuel pump access panel and next to the AC charge label in the en...
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 sucke...
The electronic throttle actuator (throttle body) can fail causing a loss of power and illumination of the Check Engine Light.
Nissan Altima's with the 3.5L V6 engine can experience oil leaks from the engine due to a leaking oil cooler o-ring. This leak often occurs after an oil change because the oil filter is attached to...
Failure of the ignition power transistor can cause a "crank-no start" condition.
The engine may stall when the engine is warmed up. This can be caused by a failed crankshaft position sensor and/or camshaft position sensor. These sensors can fail intermittently so the problem ma...
The ground inside mass air flow (MAF) sensor can corrode and possibly cause drivability problems. The corrosion is enough to affect the sensor data but not enough to create a trouble code. Diagnosi...
The camshaft driven distributor can leak oil and cause a malfunction of the crankshaft position sensor. The engine may crank but not start or run very poorly.
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....
The AC system may blow warm air due to refrigerant loss caused by a leaking low pressure AC hose. These hoses commonly develop a leak at the hose crimp connection.
An engine vacuum leak from the intake manifold gasket can cause the engine to misfire or have a rough idle. This will turn on the Check Engine Light and diagnostic trouble codes will be stored. It ...
Rattling and tapping in the front of the engine on the 2002-2016 Nissan Altima V6 is very evident, especially on cold starts. This rattling noise should not be taken lightly as it warns of upcoming...
Welds on the catalytic converter heat shield can corrode causing a rattle during acceleration and possibly causing Check Engine Light illumination. The common repair for this issue is replacement o...
The throttle body for the Nissan Altima is known for carbon buildup, and requires regular, light cleaning to maintain peak performance. After cleaning the throttle body, many owners notice a very h...
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