Question about 2000 Saturn Ls 4dr Sedan

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2000 Saturn LS2 stalls

I tried to rule out all the obvious first. I replaced the fuel filter and will possibly consider the fuel pump. For a vehicle having 105k miles on it, it is too young to retire or trade in. Taking it to a Saturn dealer is like opening your wallet to a crack addicted mugger, so I am compelled to work through a solution. After I fix this I have to tackle the changing of the "timing belt" before it breaks and ruins the head. The idea of a timing belt over a chain makes no sense at all, except for the dealer who asks you to shell out over $1000 to change it.

The stalling happens frequently. There is no common occurance such as accelerating, decellerating, braking or idling. No service light has shown yet. I have read that AutoZone will read a code for free, thus avoiding the painfull gouging of $89 for the dealer will charge for this 30 second task.

As for the stalling, any suggestions will help.This is my wifes car and she is driving my full size truck until I fix this.

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  • tswoodley Jun 30, 2009

    Thanks for the advice. I've been pricing fuel pumps so far sine I read your post. $400 from the Saturn dealer. I was apoplectic, but decided to keep quiet and just thank him for his help and hang up the phone. I was wondering if I had asked for a part for the space shuttle by mistake. Ebay has a few from 165-265, but I need verification its the right pump before I spend it. Although I just put brand new tires on it, I will trade it in soon.

  • devildawg223
    devildawg223 Feb 04, 2012

    I have a 2004 Saturn l300, when the car became hot it would stall, ten once it cooled i could start it again and drive for another 5-10 minutes. I did a little research and found it was the crank position sensor. picked one up for about $40, installed and havent had any stalling problems since.

  • devildawg223
    devildawg223 Feb 04, 2012

    I have a 2004 Saturn l300, when the car became hot it would stall, ten once it cooled i could start it again and drive for another 5-10 minutes. I did a little research and found it was the crank position sensor. picked one up for about $40, installed and havent had any stalling problems since.

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  • Saturn Master
  • 3,854 Answers

The problem may be caused by a faulty fuel pump.  I've replaced a hundred of these ('98-'02 S-Series fuel pumps) if I've replaced one, for this exact condition.  You will only notice the sluggish-ness on hot days.  If you will have the fuel pump replaced  you will most likely no longer have these problems.  Your fuel pump has a little plunger inside of it (the actual part that pumps the fuel). On most of these Saturn's, on a hot day, the plunger will expand with the heat.  The sleeve that this plunger rides in does not expand.  Hence, you get a plunger that will not move freely inside its sleeve.  Hope this helps. I would probably tell you to have the fuel pressure tested and monitored while the condition is happening.  If you've only got 10-20 PSI while driving, you've probably found your problem.

Posted on Jun 30, 2009

  • Harvey N Tawatao
    Harvey N Tawatao Jun 30, 2009

    Auto Zone or Parts Source will have the fuel pump and will cost less then the Dealer. P.S if the car is mechanically sound, keep it. Most of the new cars now have a no service fuel filter, it's apart of the fuel pump so when ti's time to replace the filer you have to replace the fuel pump also and that's in the gas tank. The average life of a fuel pump is around 150,000 miles and if you got more out of it, take as a give from the Car Gods. Keep me posted friend, and keep up the great work. 

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