2003 Saturn L300 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Saturn L300

2003 Saturn L300 Problems

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Valve Cover Gaskets May Leak Oil

A burning smell may develop due to an oil leak form one or both valve cover gaskets. Resealing the valve cover will generally correct this concern. However, the valve covers should be inspected and replaced if damaged.

Ignition Module or Coil May Fail Causing Engine Misfire

The ignition module or an ignition coil may fail causing the engine to misfire which can cause the Check Engine Light to illuminate or begin flashing.

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2003 Saturn L300 Questions

Anyone have code P1811 come up every few miles? (1 answer)

Bought car, owner said no problems. Wrench came on, car would jerk as it was shifting into 3rd and 4th gear.
Took to garage. Large bill, then one week later, it does the same thing. I can't keep putting a lot of money into this car when I have owned it one month. Do not drive it very much. N...

How do I take apart the front dashboard climate controlm (1 answer)

My AC is stuck on heat
The buttons are stuck

when changing the serpitine belt,pully and alternator do u need to adjust timing (1 answer)

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2003 Saturn L300 Recalls

Windshield Wipers May Fail Unexpectedly

Due to a manufacturing problem, the windshield wiper motor may stop working while in use. If this occurs in severe weather, driver visibility could be reduced, which could lead to a crash. Dealers will inspect and replace the wiper motor assembly if necessary. The recall began November 6, 2002.

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2003 Saturn L300 Reviews

Bought a used 2003 Saturn L300. It has been a nightmare from day 1. Nothing but problems. Every part is extremely overpriced and there are very few parts that are NOT dealer parts only. If you were thinking of buying this model I suggest you run as fast as you can. Common problems? The air conditioner condensor hose pops off and floods the inside of the car...this is a common known problem. ECM...
Still love my 2003 Saturn LS300. Have a check engine light, was told it needs to have the thermostat replaced. Dash lights dim regularly. A/C had a problem with the wiring getting crimped causing a malfunction. Not the best of gas mileage right now getting 22-25 in town. Just under 90,000 miles on it right now. Heard it was going to take 4+ hours to replace thermostat. Anyone have inst...
Seems to have more problems than other cars I've owned. Especially after warranty ran out. Something needs fixing every six months. Don't recommend buying this model.

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