2002 Saturn L100 L100 Service Engine Light Went On Changed Spark Plugs Which

2002 SATURN L100
140,000 MILES
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I have a 2002 Saturn L100. My service engine light went on. I changed the spark plugs. Which were bad. Thought that would fix the motor to stop shaking. It stopped alittle. But now they said I have a pressure leak that is why the idle is also off. How do I find out we're the leak is coming from. Can I do it myself. Can't afford to take to a shop.
Nov 30, 2012 at 12:11 AM
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SATURNTECH9
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What are the exact code numbers you have? Also what pressure leak are you talking about low compression?
Nov 30, 2012 at 12:49 AM
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