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My friend has a 1996 Saturn Sl1 that was running fine one minute and just died the next as he was pulling out of a parking lot. He swears there's gas in it and it's getting spark, he pulled a plug wire and saw the spark. I haven't got a chance to look at it -he didn't pull the gas line to see if it is getting fuel. That is my next thought. I was reading up a little on them and it sounds like there's a PCM -power train control module -that decides if you have the motor revved up and you're not moving, it may chose to shut off fuel to the injectors. Does any one have experience with this? I the fuel pump went would it be all at once like that or would it sputter and choke a little first?
Oddly enough... it isn't fixed yet! It's my ex wife and her boy friends car and I guess he's either not very motivated or maybe he's not the car fix it type. I got some good advice here and ran it by them but it's going on three or four weeks and it's just setting. My new wife says offer them $500 bucks and fix it for her!
Last edited by rhw; Jul 3, 2007 at 08:03 PM.
Reason: sp
there is no belt it's a chain, as far as the PCM question it's a rev limiter so you don't blow the motor all cars have them nowadays. the Fuel pump can go withou warning or just not give enough pressure and sputter. Most the time no spark is the problem so if your sure you got it you should hook a fuel pressure gauge up to it and you should have around 40 or so psi. If you don't have a gauge have a buddy turn the key while you listen for a hum from the fuel pump by putting your ear at the fuel filler. you will only hear it for a couple seconds if it is working. If you here nothing there is a fuel pump fuse at the fuse panel on the inside of the car, check that.
I was thinking it sounds like the crank position sensor- once they go out or get a bad connection the computer losses track of where the #1 piston is. Could just have a bad connection. I'm fighting off the temptation to go try it myself!
If you have spark then the crank sensor is ok. That sensor isn't so easy to get to, and in over 2 years I never seen one go bad, spark issues almost always are the ignition module and/or the coils.
"If you have spark then the crank sensor is ok." Crud! I didn't even think of that! If the cps was bad it would have cut off the spark. shoot. Well... that settles it, I ain't going over!