'99 Saturn SC1 with intermittant check engine light P0341

sc1 means saturn coupe with a single overhead cam engine sl1 means saturn sedan with a single overhead cam engine same engine and same parts for both these cars

Honestly those engines are a dime a dozen, my local pick apart has a bunch of them-my 99 saturn has 180,000 miles on it and it uses oil (they all do, it seems)-change your oil, religiously, and if it doesn't leak, use synthetic-you can use 10w-30 instead of 5w-30, and make sure you use a good oil filter, like a Puralator PureOne or a K&N, Bosch-one with an anti-drainback valve. If it runs well, you should get lots more miles out of it, a good rebuild will cost upwards of $1700 but you can get a good used engine for as little as $200 if you look around. Just don't let it run low on oil, the rings are a bad design and cause binding which causes oil consumption, and eventual wear and failure.

the first step is to have someone hook an analyzer to it and find out what is making the service engine light stay on. that way you have a plan instead of blindly changing parts hoping to accidentally fix it.
it runs for a while, so it would seem that is is suffering a fuel starvation problem or something is heating up and knocking out the ignition. intermittent fuel pump, something restricting the fuel supply, ignition module. there is a sensor in the back of the block, behind the starter, which causes random shut offs as it fails.

Saturn Sc1, Sc2, SL1, SL2 Automatic Transmission codes when turning right after a reset or when hitting third gear. Intermittant dash lights dead, fuel pump failure and check engine light says various codes having to do with car starting in gear. Mine had a bad ignition switch which burned up the wires connected to the automatic transmission start satety switch. On the back of the transmission a black plastic device connected to the shifter cable. You must remove the black plastic shield from the upper wire to see if the wires inside are burned on the top connector that has six wires. If they are get a junkyard replacement connector and wires. Replace the ignition switch first to avoid same problem.

get the code read and check back. autozone will check it for free. many auto parts store will do it

sounds like either you have 2 of the wires crossed.........one is loose....probably #1 or your #1 plug needs regapped or is not tight and losing seal....all will cause a misfire and set the check engine light

The codes do not necessarily indicate any failed parts. You have to troubleshoot the system to figure out why the light is coming on. It might just be a loose wire somewhere. What codes have you been getting?

the first thing i would do is to have the computer scanned for codes, this will help in finding the problem,it could be a alternator or a short or a loose connection ,

Sounds like your battery or your charging system went south. Begin by removing the battery and having it tested. Regards, Joe

the oil is almost certainly being burned in the engine, this means the piston rings have lost there seal, u will need an overhaul of the engine.