Question about Saturn SC2

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I have a 2000 saturn coupe.you have to mash gas pedal to the floor to crank it.is the a temp. sensor issue?

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  • alvin wilson
    alvin wilson Feb 10, 2014

    Hi alvin wilson, I want to help you with your problem, but I need more information from you. Can you please add details in the comment box?

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  • Saturn Master
  • 21,873 Answers

Could be, but if it was you should also have a check engine light staying on. Cranking the engine with the throttle wide open kills the fuel injectors, so it could be getting too much fuel from somewhere.

Posted on Feb 10, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 77499 Answers

SOURCE: 1997 mazda protege engine cranks

Have you checked the exhaust for a restriction, it may be a clogged catylictic convertor. Any muffler shop can assist you in checking for a restricted exhaust, they most likely will not charge for it.

Posted on Aug 06, 2008

GM Elec
  • 1000 Answers

SOURCE: 95 saturn won't start when hot

Blair, I would take a look at he TPS (throttle position sensor) located on the throttle body. In other words, it sounds as thought sensor when heated is changing its value to "open" or "shorted".
If the car starts OK when cold, use a hair dryer to heat the TPS when the engine is cold to see if you can duplicate the problem.
Also is the a service engine light on? Codes?
If you have a "digital volt/ohm meter" available you can read the variable resistance of the sensor when the problem occurrs to determine if the sensor is defective.

Posted on Feb 09, 2009

  • 5623 Answers

SOURCE: 2000 mercury cougar hesitating/jerking

First, disconnect neg battery cable 10 minutes and reattach to clear codes.
Lean condition means it is not getting same fuel as other side of engine.
Since you had it scanned before, try Autozone to see if new results.
You might try a TPS switch which regulates spark and fuel feed. At lower speeds EGR starts to open-you should have code for a problem there.

Posted on Aug 18, 2009

  • 975 Answers

SOURCE: brake pedal goes to floor on first depression; then pumps up fine

Try this,apply the emergency before stepping on the brake.
If this helps the pedal,the rear brakes are out of adjustment.

Posted on Jul 01, 2010

bluebirdmate
  • 1190 Answers

SOURCE: I have a 2001 Saturn SL1. It has problems

Hello: The number one injector could be stuck open. to check you will have to remove fuel rail with injectors attached, energize fuel pump with key off and see if #1 injector drips/sprays fuel. YOU COULD ALSO SWAP #1 AND #2 injector and see if the misfire goes to #2 cylinder.

Posted on Oct 27, 2010

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I have a 2000 beetle car cranks bit doesn't start after sitting for awhile. Give it a few shots of starting fluid and it fires right up and runs fine. Once it's been running and gets warm i can turn it off...


Next time it won't start after two hours, push your gas pedal all the way to the floor and see if it starts. If it starts, it could be a fuel injector or fuel pressure regulator issue.

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first thing that comes to mind would be the throttle positioning sensor, or the mass air flow intake sensor on the air intake hose assembly.Symptoms of a mass airflow intake sensor would be very poor acceleration or engine dying when gas pedal is mashed hard. Throttle positioning sensor can give you and irradical idle while sitting still. You might want to have a scan to diagnose the problem.

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When trying to start my car. it die's ,it takes me a least over 10 starts to get it going. feels like gas is not being pump or something. i've press the gas pedal down to the floor, even pump it, it rev's...


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i bet the coolant temp sensor is bad,,,when the sensor cracks coolant leaks into and wrecks it and then the coolant leaks thru the sensor and into the harness,,,and this causes the car to dump too much fuel because the computer is seeing a temp that is not real and therefore the air fuel mixture is off and flooding the car,,,typical issue,replace the coolant temp sensor and then harness,,like $75 for both at saturn,,do not by the aftermarket ones,yes the cost less but they are junk and will not work either,,,also i bet if you put the gas pedal to the floor or pump it when this happens i bet the car starts and smokes when it does,,,,saturn redsigned the sensor for this reason,it was plastic and they made it brass so now it can not crack and leak,the aftermarket ones are still plastic junk

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1 Answer

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most likely a bad coolant temp sensor and harness ,common issue,,,if gives the car too much gas if it misreads and then when u put foot to floor gives it right amount or air to start,,,get a saturn sensor and put it in,if the harness is contaminated replace it too,dont get cheap auto zone **** they dont work get the saturn one,cost more but works,they redesigned them the aftermarket ones are plastic junk

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1 Answer

99 saturn will carnk but won't start


try cranking engine while holding gas pedal to the floor, this turns off the fuel injectors to clear excess fuel from cyls. eng my just be flooded. may need to crank for a long time. if engine starts do not let off gas until you are sure eng will run on its own.

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1 Answer

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Engine temp sensor could be faulty not letting enough fuel be commanded by the ECM .

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