Question about 1999 Saturn SL

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Starts after about an hour of sitting....???

My Saturn SL1 1999 starts and runs fine, but when you shut it off it wont start, you have radio and lights all power but wont start, after sitting for an hour or so it starts and runs great....??? Any advice?? Its not the battery, starter, alt., Oil, Coolant, air, or any fuse, or any other simple thing I can think of.... it doesnt happen all the time, just once a day or so, but thats very hard to deal with.... help if you can.

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  • Michael Parks Mar 01, 2009

    The starter, Alt., Battery, fluids and fuses are good. It occasionally does not start when cold, but usually when it has been running. I think this thing has a mind of its own.... although it is possible to get a bad rebuilt starter or alternator. If thats the case I will give credit where credit is due. Thank you wendystech I will re-check the starter.

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I had the same problem with a 92 Saturn SL2 that baffled me for months. It would randomly not start (usually after being ran) and also would die while driving and not restart for hours. I probably called a tow truck 5 or 6 times and ended up having it start right up by the time it arrived.

I went through the regular troubleshooting chart and threw hundreds of dollars in parts at the car. Replaced coil packs, Crankshaft Sensor, Plugs/Wires, Fuel Filter, cleaned out everything I could, etc. But to no avail.

I had read everywhere that the ignition control module never goes bad so not to bother replacing it. (plus it just looked like a plate that the coils plugged into and they wanted $125 at the autoparts store.

With nothing left in the ignition system to replace I bit the bullet and bought a new one. I also cleaned the bolts and ran a tap through the bolt holes in the block.

Car never had another starting problem again, at least not until the timing chain snapped, but that's a whole story on its own.

You could probably even get one much cheaper from a junkyard. I've always been averse to going there though. The people kind of creep me out.

Good luck

Posted on Mar 04, 2009

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I've had this happen to me with a '69 GTO. It is heat related. Some where in the starter circuit you may have a thermal fuse that opens the circuit when it gets hot. It may be the starter. When cold, works fine. When hot, windings or solenoid circuit opens and will not allow the starter to engage or even make a sound. This is almost like chasing a ghost. It will take some time and alot of patients as it only acts up when hot. Check the system systematically, piece by piece. Tough to do when hot.

good luck

Posted on Feb 27, 2009

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