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L300

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Reduce power light is on
What problem codes are set? Most often, these symptoms are the result of a failed throttle position sensor (https://www.yourmechanic.com/services/throttle-position-sensor-replacement). Traditionally, cars will have a throttle cable but your Saturn has a "fly by wire" throttle system. If the engine management...
Car was barely turning over and would not enough to start. Kept trying and eventually everything was dead. New battery still dead
The first thing to check is to make sure the battery has proper voltage of at least 12.5 volts. Then make sure the battery cable ends are clean and tight. Make sure any corrosion is cleaned off them to give...
2001 Saturn L300 turns over won't start it just stalled out and won't start
Hello, thank you for writing in. When it comes to a stalling issues, you want to turn your attention to the spark and power supply first. It is good you have partially ruled out the fuel supply as the problem....
Where is the Mass AirFlow (MAF) sensor located on this car? 2005 Saturn L300
Hello - the mass airflow (MAF) (https://www.yourmechanic.com/question/what-does-the-mass-airflow-sensor-do) sensor is the black plastic cylindrical tube with an electrical harness that goes into the air filter housing on your engine air intake system. I would check for problem codes first however, as...
Oil on bottom of catalytic converter
Hi there. I completely understand about time constraints and your concern about a potential fire hazard. Many people continue to drive their vehicles even if there is oil on the exhaust components as they usually smolder and smoke. However, the...
Car won't start and shakes while turning the key - 2003 Saturn L300
Hello. These lights can mean that there is a serious issue going on or that there may be an electrical malfunction. I usually check and see if there is oil pressure and check to make sure that the charging system...
what is the black box with three plugs that is under the dash on the drivers side.
It sounds like you are describing the BCM (Body Control Module) (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-electronic-brake-control-module-ebcm). It usually has 3-4 connectors. Saturn vehicles are unique. Like many vehicles, there are not any other vehicles that I know of that you can use for parts....
cv axel not fitting
The axle bore in the transaxle needs to be checked for debris, burying, or a damaged locking ring that could be preventing the axle from fully inserting into the transaxle axle bore. Also, replacement axles are generally refurbished from used...
Performance chip messed up my car
Since I don't know what kind of chip you have or the specifics of how it was installed, I'm not sure how much advice I can provide. But first, I would start by double checking that everything is exactly how...
Steering wheel stiff and noisy
Hi there. There are a few different things that can go wrong and cause this. Most of the time, if it is intermittent it is due to a belt that is coming loose or a clog in the system. I...
Power steering out
Hello, since the fluid is full and you state the air conditioning is also failing, you should check the front of the engine and make sure that the drive belt is present. If the belt is present, I would say...
My 2003 Saturn L300 makes a knocking noise only in reverse. Any idea's?
This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...
Traction control not working
Hi There, It sounds like you may have a faulty traction control module. As you know, the traction control system monitors the steering stability of the vehicle and engages when loss of traction has been detected. This is done by...
accelerator pedal throttle sensor
The vehicle could have a clogged catalytic converter, the fuel filter and/or injectors could be plugged and there are other possibilities in the fuel, ignition, and air induction systems. It is also possible that your vehicle has entered "limp mode"...
Sometimes when driving a wrench light comes on and my car is hard to shift
This may be related to low transmission fluid, or potentially a faulty transmission speed sensor (https://www.yourmechanic.com/services/transmission-speed-sensor-replacement) or transmission control solenoid. Every time a gear change is required, the car's computer activates a transmission solenoid, which directs transmission fluid into the...
I'm having electrical issues and now my car won't start, it will crank but not star.
All of these problems are most likely not related to each other. The no start is the most serious and may be due to the fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) or ignition module not working. You will need to have the vehicle...
sluggish not much power
A clogged catalytic converter can increase exhaust system pressure robbing the engine of power. Along with this overheating, excessive fuel consumption can also occur. The exhaust system pressure should be checked and compared to specification to ensure the catalytic converter...
2005 Saturn L300 hard to start
Hi. It seems to me that your EGR valve and EVAP need to be replaced. The car is hard to start because the pressure in the system is not correct in order for the engine to run efficiently. I would...
Vehicle not moving when transmission is in drive
A vehicle not moving when put into, drive can be caused by many things. The problem may be as simple as the need to add some transmission fluid to as serious as the need for a replacement transmission. As the...
Car stalled and now won't start
The first two codes point to the bank 2 sensor 2 and could be a problem with the wiring to the sensor or the catalyst is broken up and clogged the exhaust. The last code P0402 is for the EGR...

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