Saturn SL2 overheating now wont start

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Saturn SL2 overheating now wont start

Unread post by ymsaturn » Thu Aug 22, 2013 12:52 am

I have a 98 Saturn sl2. I recently had an overheating problem but thermostat changed and havent thus far. Now a couple days later my car won't start. It cranks but doesn't turn over. It has new plugs and wires, starter a year old, battery good, fuel pump working so what other suggestions should I try?


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Re: Saturn SL2 overheating now wont start

Unread post by carriedi » Thu Aug 22, 2013 8:06 pm

key on engine off fuel pressure should be 40-55psi. (if the fuel pump and pressure regulator are working normally) Have you checked to see if you have spark for the spark plugs? You should check for injector pulse too. If you have no spark and/or injector pulse check the crank position sensor. They will go out and the computer won't see the engine cranking over.

Coolant temp can also flood the engine if it's is reading the temp wrong. also look at the connector fro corrosion. (green-like rust in the connector terminals-if they are corroded you should replace the connector too)

Is the security light flashing or on? If the security light flashes you may have lost the signal to the passlock module.
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