Question about 2000 Saturn Ls 4dr Sedan

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Service light and stalling

I took the car (2000 Saturn LS Series) to Auto Zone and had the diagnostic run to find out the source of the problem but it did not help. I took it to the shop and he ran the same test and did not find the problem. He told me that sometimes when repair is done on the car that the computer was not reset and the computer still thinks there is a problem. So he reset the computer and told me to drive it around for a while and see if it solved the problem...No luck. I took it to another shop and he ran the same diagnostic test and found no problem...all codes were fine. He said sometime it could be bad gas. He advised me to add some " TUNE UP IN A BOTTLE" next time I had to gas up and this might help the problem. Well I bought the Tune Up in a bottle and it did still stall on me once. I'm not sure if it worked or not. I haven't driven it much. One other question...How do I check the transmission fluid??? I found the Trans Fluid knob but no dip-stick?

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Replace crank sensor,cheapest 1st,if this does not fix problem most probably fuel pump.Auto trans on this car requires a rack,has plug on bottom side.

Posted on Jun 17, 2009


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If it was a loose belt it would be squeeling like a banshee. I'd go with their diagnosis and replace the alternator.

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Service light and sometimes stalling

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Jun 15, 2009 | 2000 Saturn Ls 4dr Sedan

1 Answer

My service light comes on and off periodiclly, and sometimes the car stalls. What could be causing this problem? And how can I resolve?

This could be a faulty CKP ro CMP as well. you will need to run a diagnostic scan to actually receive the correct trouble codes in this case. the on and off cycle of the light will usually signal a miss in one or two of the cylinders.

I recommend taking this car to a local Auto Zone auto parts store. they will run a scan for free on your car. this scan will direct you to the actually part or issue that is causing your issues.

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