My son has a '97 saturn sc 2. starts good when cold but after he drives for a while the engine will turn over slower. Also, while driving when he takes his foot off the accelerator and the car slows down it begins to sputter and just shut off. The car will restart right away when this happens. We have taken his car in to mechanics who cannot seem to identify the problem. They have adjusted the idling but have said to just drive it until it becomes worse. The check engine light never comes on and the car does not do this all the time. If anyone could help with suggestions it would be appreciated. He just bought this car a month ago. We have replaced the spark plugs, air filter, and fuel filter.
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engine stalls when parked? or driving fast>? not told. engine stall is 0 RPM engine as in dead.
and restarts easy.
does engine STALL going from park to DRIVE or REVERSE.
that is a super rare even so rare I think it is just coincidence.
the cars cab heater, blower fan turned on low to high? at the dash knob HVAC.
or at engine fans, Radiator rear or font, fan, condenser HVAC.
first off the blower fan is fused, say about 20amps, and is never going to overload the battery or 100amp alternator ever, not possible. nor the GOOD engine,
wiring hacked yes. my answers or for NOt HACKED CARS OEM STOCK.
answer 2;
engine is very sick and weak, and RPM is too low say 600 not 800 or more.
so any load on the engine stall is it, blower or going in to drive.
in drive, foot on brake RPM is 800 hot or 1500 cold. not 500 ever.
those need to be known first.
or get the car services for SURE if you can demonstrate he failures. to them.
this answer if for any engine on the hair line cusp of stalling before it does stall.
iFixitwhat would cause my car to turn off while driving & what cause it to start with ... Before you do these, you may consider doing a quick check of your battery terminals. ... So changing out the ignition control module is not a one fix for life job. ... and all thesudden the check engine light would come on and the car would die.
Oct 1, 2008 - Replacing a perfectly good ISC motor or solenoid won't fix the ... If the engine stalls while idling or driving, the engine may be running ... The engine may startand idle fine, but run out of power or even stall at highway speeds. ... If the engine is running normally one minute, but suddenly quits, .... Then dies.
Take notes , when this happens.
For instance : engine warm or cold , outside conditions (cold , hot) , car driven for a while , long or short distance when problem occures etc.... , that may help for diagnosis.
It very well may be temperature relaited , sience it has to sit (cool off) for 5 min.
Ignition coils sometime do that.
I'm mechanic shop owner and intermittent problems are the hardest one , so any piece of iformation on above mentioned events may give a clue.
Good luck.
Greg.
I have a '97 Saturn SL and had the same problem. If the car was cold when I started it, it started up no problem. If I had just come back from driving it and turned the car off, let it sit for about 5 min, and tried to start it again, the starter would turn but the motor refused to turn over. I ended up replacing the O2 sensor and the engine temperature sensor. I haven't had a problem since then. O2 sensor can be kinda pricey though. Good luck!
Check to make sure that one of the pulleys are not sticking on your serpentine belt line, or better known as the belt drive. Such as an alternator that is that seizing up, or a bad power steering pump.
You need to start with the basics. If all of your cylinders are in good shape, see what is missing, spark or fuel. This will get you started in the right direction. Look at the spark plugs, and see if you have spark at all of them.
when you say stalls, do you mean shut off of just get low on power?
my check engine light comes on and then oil press light come on and the car shuts off but the lights and music stayed on.
if its that the car needs oil and shuts down to protect itself but it will turn on minutes later.
if stalls periodically, shows check engine light and the car looses a bit of power, in the engine, :
1. your coolant may be having problems getting to the engine in the way it was met to get to the engine
2. the belt might be a bit off and that could be why you get the slipping feeling
3. your exhaust may be a bit clogged. or your engine may need cleaning
i had both problems my car shut off and my engine was slipping. my EXPENSIVE but great machanic found out it was my oil level and my coolant was rusty and not getting to the engine. now she drives like the original 97 olds 88
warriorangel
have a 97 sl1 which was very hard to start and when it would it ran rough and stalled out easily. sometimes no start. It turned out to be the heater sensor on the engine block (right side as you face the hood. just under the heater hose. the part was 17.00 or 27.00
I don't remember which but it ultimately was sending misinformation to the computer module and it always "thought" it was too hot and would adjust incorrectly. the major clue was therm
indicator read hot even when cold and just started. took me 2 days
to figure it out before spending money. good luck.
Sounds like it is fuel related. Ck fuel pressure to be sure. Also ck the pressure regulator on the fuel rail, It is a small metal cylinder at the end of the fuel rail to ck pull to vacumn line off (hot not running after shutting the engine off). If there is fuel in the vacumn line it is bad. Good luck
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