Question about 2002 Saturn L-Series
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Posted on Jan 02, 2017
These are the most common causes for bad mileage.
Tire pressure is a huge factor (Tire should be set at the factory recommendation or 1-2 psi above, but never below - Tire should also be a Low Rolling Resistance Tire)
Oil level (you said it's OK, so I assume it's not above the full mark)
Running extra accessories (A/C, etc)
Dirty Air Filter
bad Ignition timing
engine running hotter than normal
fuel injectors may be stuck partially open
bad fuel pressure regulator
faulty emission control device (this usually triggers a check engine light)
Posted on Sep 09, 2009
Your Idle Air Control (IAC) valve may be dirty with carbon, simple fix with throttle body cleaner through the IAC passageway through the throttle body. Make sure it's throttle body cleaner and
not carburetor cleaner, the carb cleaner is to corrosive to the gaskets used on the throttle body.
If cleaning the IAC does not help, then it's a good chance that the IAC is to far gone and will need to be replaced.
Good luck and thank you for using fixya
Posted on Jun 01, 2010
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you have to remove the gas tank you have to remove the exhaust pipes to get to the gas tank the best way to get to it is to put the car on a lift once you remove the tank you will see it on top it is one piece connected to the fuel gauge and the entire thing is inserted on the top side it is hard to get to because there is no access panel under the back seat like in japanese cars it is a pretty costly item too, good luck
Posted on Jun 01, 2010
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