Question about Saturn L300

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I have a 2004 Saturn L300. It has approx. 150k miles. I drove from mn to az last week and when I got here it started to stall. It would start after a while then stall. I had it towed to a gm dealership and they told me it was the fuel pump. I just had the fuel pump replaced by gm 16 months ago(approx 50k miles ago). They said it isnt common for this to happen they should last a few years. So I had the replace it. No luck the car is still stalling. They said the fuel pressure would drop to 35psi when it stalled with my original fuel pump. Now it stalls at 40psi with their new pump. They say its an electrical voltage issue, but the pump was definitly needed. Any thoughts?

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: Stalling

Possibly faulty ignition module is the problem, stalls when engine is hot when you sit for a while it cools off and runs again until it heats up again, those are usually the symptoms of a bad ignition module and after a while it may give out all together and not run at all, usually if the module is at fault it shuts down the fuel pump so the engine don't load up with fuel, do to when engine continuously cranks over the injectors never stop squirting fuel and flood the engine do to lack of spark which is produced by the module, this could possibly be your problem.

Posted on Nov 01, 2008

  • 116 Answers

SOURCE: sl2 stalls while driving or when starting.

Wow... if the whole car is doing that i would guess it to be electrical a bad ground...basically a major cable that connects to your frame or directly to the negative side of the battery. You see, electricity leaves its source makes a device operate then the electricity goes back to the source. kinda like a big circle... when you start your car...the battery gets you going...then...the Alternator takes over...recharges the battery while making your car operate on an electrical standpoint. if you break that circle...lights it the wires losing contact. battery failure( usually they STAY dead) or it could be an alternator with an intermittent problem. Based on a money stand point...your battery is fine...i'd replace the alternator...not trusting it after all that. (100- 300 bucks) if it STILL does it..then have a mechanic replace your wiring harness associated with the ignition, starter,alternator and battery( should be just one bundle of wires to fit that portion) .200 to 400 bucks to get that replaced. i hope this helps you out with finding out what the problem is...and i'm sorry to say...getting a fuel filter and fuel pump replacement would not cause a radio to lose power...the battery is like a back up system. don't go back to that mechanic ever he is ripping you off. im an electrician so i know about electricity and i also tinker with cars quite a bit for fun.

Posted on Mar 12, 2009

  • 408 Answers


hello,good day,first we are in fuel side,better to install a fuel gauge,to determine the right pressure, is not mention your fuel pump relay,this should also check,some occasion the power supply is missing,now if all is in order (fuel side) then your switching unit(transistor box) need tobe check,assuming your engine is 103 engine,ty

Posted on May 19, 2009

  • 3854 Answers

SOURCE: My son's 2004 Kia Optima started stalling on the

Start with the simple and replace the fuel filter. The fuel filter should be replaced every 15,000 miles or once a year to ensure the fuel system is running 100%. Auto Zone will have the fuel filter and can give you the step by step instructions to getting the job done with common tools. If it's the fuel pump failure, you have not gotten the car restarted. Good luck and keep me posted, be glad to know you got your car running 100% again soon and please rate.

Posted on Jan 11, 2010

  • 1 Answer

SOURCE: 98 Saturn SL2 - Stalling issues

I had a problem with starts on my 98 sc2, did it twice only, but it would start up, shake a bit then shut down like it wasn't getting fuel, or a wrong mixture. Replaced the coolant temperature sensor and starts / idles like new now... goodluck

Posted on Mar 13, 2010

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