Question about 2000 Saturn SL

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2000 saturn sl2 getting code PO452

When you put it in drive it moves very slow a little rough idle

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I don't have a definition of the code for a Saturn.
The generic definition is for a low pressure reading from the EVAP system. The computer pressurizes the fuel tank and evap system every few minutes to check for vapor leaks. The code means the pressure sensor is showing the tank is not holding pressure which usually means there is a leak somewhere.
If this is happening to your car, it could be the gas cap, a hose from the tank to the vapor canister, a faulty valve, or a leak in the tank.
I doubt it would cause the car to run rough.

Posted on Aug 23, 2012

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Posted on Jan 02, 2017

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SOURCE: 91 saturn sl1 code 26 stalls at an idle when in d or r

its possiable the computer has a bad quad driver, before throwing parts at it, take it to a shop and have it verified

Posted on Apr 29, 2009

  • 38 Answers

SOURCE: myservice engine light came today rogh in idle at light rpms seem a little high this is a 98 saturn sl2 I think engine is a 1.9

the check engine light means that a code has been set. the code will reference a faulty system that must be diagnosed and repaired. sorry for the vagueness, but there are e gads of codes that can cause the rough idling

most aftermarket parts places will scan the car for free. this will give you an idea of where to start.

Posted on May 12, 2009

  • 186 Answers

SOURCE: 2000 SATURN SL2 WIPER WON'T SHUT OFF WITH ENG ON

Wiper motor is the problem,the park mode iside the motor logic is bad.The wiper motor will have to be replaced to correct concern.hope this helps

Posted on May 27, 2009

  • 4102 Answers

SOURCE: i have a 2000 saturn

Hi, this is a common problem with the age of vehicle, the main problem is a build up of contaminents in the fuel lines and injector system.
The best way of solving your problem would be to buy a fuel additive you can get these at most garages. Make sure you buy correct type ie petrol or diesel, Red X is a good brand to use and i find it tends to work quicker than other brands.
Follow instructions on the bottle and then give you car a good run about 30min driving time ensures that the cleaner has ran through the complete system you should find that this will solve your problem.

Let me know how you get on or if you need further assistance ok.


If after running the fuel cleaner through you are still having problems then the next step would be to get the plugs and leads changed as this would be the next step you take in finding out the cause of the problem.
You probably find the cleaner will solve your problem.

If you did have a problem with the plugs or leads this wouldnt show up as an error code so just keep that in mind.

Posted on Sep 02, 2009

  • 6 Answers

SOURCE: I have a 99 saturn sl2 is running rough i`ve

Try replaceing the ECT sensor. Mine was doing same thing, this SOLVED my problem!!

Posted on Mar 30, 2010

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Keep it simple.

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Mar 10, 2010 | 1993 Saturn SL2

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Myservice engine light came today rogh in idle at light rpms seem a little high this is a 98 saturn sl2 I think engine is a 1.9


the check engine light means that a code has been set. the code will reference a faulty system that must be diagnosed and repaired. sorry for the vagueness, but there are e gads of codes that can cause the rough idling

most aftermarket parts places will scan the car for free. this will give you an idea of where to start.

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1995 saturn sl2 when putting it into drive it slames real hard then it is slow going till the rpms get up then its fine any thoughts?


this might be a dumb quest. have you checked the trans fluid ? if so you might need a torque converter in a automatic . or clutch in manual trans.

Apr 09, 2009 | 1993 Saturn SL2

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Oct 03, 2008 | 1993 Saturn SL2

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