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Saturn engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1999 Saturn SC2 - Engine - 7/1/2014
    My engine RPMs go straight to and stay at 3700 when I start the car up. Any suggestions?
    I checked the throttle while starting the car. The throttle doesn't open up at all when it revs up, which doesn't make sense. Even though the throttle doesn't move, the engine still revs up. This all happened right after I took apart the throttle body and cleaned ...
     
    • Chevy doctor
      7/1/2014 Chevy doctor
      Believe there maybe an issue with your mass air flow sensor or throttle position sensor. Try unplugging one at a time And see if rpms spike or if it runs smoother.
      Chevy doctor
      7/3/2014 AutoMD Member
      I'll try that. Thank you very much
  • AutoMD Member
    AutoMD Member - 2002 Saturn L200 - Engine - 7/1/2014
    Why do gauges and service lights come on along with stuck in park
    I tow this car behind our motorhome and lately it has started acting funny. Sometimes when starting, the fuel and temp gauge will go to the far left and all of the service / indicator lights on the dash will light. I also find I can't shift the car out of park. ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Saturn L200 - Engine - 7/1/2014
    My car will randomly go into a rough or missing idle, from a perfectly normal idle.
    This has happened five times in the last two months. Turning the car off, then immediately back on, causes it to idle normally and return to full power. It will then stay normal for weeks, until the next incident. When it happens, it is after the car has run for ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1999 Saturn SC2 - Engine - 6/30/2014
    My engine RPMs go straight to and stay at 3700 when I start the car up. Any suggestions?
    I checked the throttle while starting the car. The throttle doesn't open up at all when it revs up, which doesn't make sense. Even though the throttle doesn't move, the engine still revs up. This all happened right after I took apart the throttle body and cleaned ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1999 Saturn SC2 - Engine - 6/30/2014
    URGENT: My car is stuck at full throttle when i start it up, after cleaning out the throttle body. How do I fix this?
    I took the throttle body apart, cleaned out the sensors, and put it back together. Everything was working fine before I took it apart.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1999 Saturn SC2 - Engine - 6/30/2014
    URGENT: My car is stuck at full throttle when i start it up, after cleaning out the throttle body. How do I fix this?
    I took the throttle body apart, cleaned out the sensors, and put it back together. Everything was working fine before I took it apart.
     
    0 answer
  • Jeremy
    Jeremy - 1999 Saturn SW2 - Engine - 6/29/2014
    Gauges die and 20 mins Later car dies
    Gauges die and 20 mins Later car dies, i have replaced the Battery and alternator no change
     
    • CVO
      6/29/2014 CVO
      When the engine quits, use the scanner and plug it into the OBD2 connector to see if there is any connection established between the scanner and the PCM ( powertrain control module ).
      If there is no connection, then the pcm is the culprit.
  • Jeremy
    Jeremy - 1999 Saturn SW2 - Engine - 6/29/2014
    Gauges die then car dies
    car has 175K mile, i have replaces the Battery and Alternator, all fuses are good, if i jump the car it runs about 20 mins then gauges die and shortly after car dies.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Saturn SL2 - Engine - 6/21/2014
    Air conditioner not cold
    How do I find the low side port for charging
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2003 Saturn Vue - Engine - 6/20/2014
    My car doesn't always start and it cuts off sometimes while running. Why?
    On four separate occasions my car would crank without turning over. After trying and trying to start it finally I was able to get my car on and continue my destination. Everyone I know that knows about cars wasn't able to figure out why it was doing this. Then I ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2003 Saturn Vue - Engine - 6/20/2014
    My car doesn't always start and it cuts off sometimes while running. Why?
    On four separate occasions my car would crank without turning over. After trying and trying to start it finally I was able to get my car on and continue my destination. Everyone I know that knows about cars wasn't able to figure out why it was doing this. Then I ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Saturn Vue - Engine - 6/17/2014
    Hesitates when stopped
    When at complete stop the engine hesitates. Just lasts a second, Rpm's drop a bit, almost sounds like engine going to die. Then hesitation when accelerating from a stop. Does it only when stopped, in drive, neutral or park.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1997 Saturn SC1 - Engine - 6/14/2014
    Fuel pressure goes to zero after car sits for a while The fuel pump works, and and engine runs fine after pressurizing
    Is it the fuel pressure regulator? or the sending unit. where is the valve to prevent fuel from returning to tank?
     
    • bear.1216
      6/14/2014 bear.1216
      The valve that prevents fuel returning is the fuel pressure regulator. Your symptom sounds like a bad regulator or possibly a leaking fuel injector. Late 90s GM vehicles have common regulator problems. To check it quickly. Remove the vacuum line from the regulator while the car is running. if the regulator is leaking fuel then it is definitely bad. In most cases. As soon as you remove the vacuum line you will see fuel spurting out of the regulator. That is only if it has an external leak. The fuel would be leaking into the engine making it run rich and get bad fuel mileage. If it has an internal leak. It would leak fuel back into the tank. And would have to be tested another way. I would start with the quick and easy test first. If it is not obviously bad. Reply to this post. And I can explain further tests.

      The fuel pressure regulator is attached to the fuel injector rail. It is a small metal canister about one inch in diameter. It has a small vacuum line attached to it. Its location should be shown on the vehicles underhood vacuum diagram. It can be replaced. It is held in place by a metal clip and a small snap ring. Look up the part at Autozone's website. You can see what it looks like and get a price. You will need a small snap ring pliers to replace the regulator.
  • AutoMD Member
    AutoMD Member - 2008 Saturn Astra - Engine - 6/9/2014
    Check engine light on
    had sensor on gas petal replace, light off 2 days and came back on car will not always respond when gas petal is pushed down
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2003 Saturn L300 - Engine - 5/30/2014
    Changing oil on my Saturn,drain plug seems to be Star socket it has been stripped what do you recommend
    doing the work myself can afford to take to the shop
     
    • Chevy doctor
      5/30/2014 Chevy doctor
      Vise grips and a hammer.lock it tight, try to move it with out the using hammer first. Make sure you go counter clockwise.
 
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