Question about 1993 Saturn SL2
Car runs eratic when it gets over 4000rpm
below that it runs great, i have replaced the plugs
You need to check your coil, heat control sensor, timing chain, Also is it a stick shift. It could be a bad clutch plate. If its all worn down, it will slip at higher rpm's.
If you look at what I tell the others in most of there problems. major tune up and clean out your thottle body take it off and clean it out with a lint free town and carb cleaner will fix a lot.
you could have low compression, pull one plug at a time and make sure the psi's are correct.
Posted on Mar 20, 2009
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