2000 Stratus oil light comes on and car dies - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
 
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#1 Old 12-03-2011, 12:54 AM
shanapi57
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Cool 2000 Stratus oil light comes on and car dies

This hasn't happened before and only happens intermittently but the oil light comes on and the engine dies. Could it be a bad switch/sender? Some sites I've looked at have said that when the sensor detects low oil pressure it turns off the fuel pump to avoid damaging the engine. Is this true? I've searched the web until I'm bleary-eyed and finally found this forum! Any advice would be greatly appreciated. Mahalo in advance!
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#2 Old 12-04-2011, 12:41 PM
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The oil light coming on, can be caused by 4 reasons. Either it's low in oil, the oil has loss it's viscosity (an oil change is needed) the sending unit is failing, or you truly do have low oil pressure. If it's low in oil, it'll come on as you turn corners. If your oil is full and the oil has been changed recently, the first thing I would do is change the sending unit.

It doesn't turn the fuel pump off. It quits sending the signal for the ASD (auto shut down) relay. When the ASD relay doesn't get it's signal it shuts down fuel and spark by not applying voltages to those circuits. The ASD relay is a safety. If a problem exists, such as low oil pressure or overheating, the PCM determines this and shuts the signal down so damage doesn't occur.

Older vehicles this wasn't the case. I knew a person that had the oil light come on. Kept it running when they went into the bank, for fear it wouldn't start again. By the time they came out the engine was froze, because it truly did lose oil pressure. A $20 oil pump turned into a $500 engine replacement.
If it truly has no oil pressure, you'll hear the engine clattering and knocking before it shuts down.
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#3 Old 12-06-2011, 09:47 AM
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To StandOnCliff

Thanks for the info! Have an appointment at the mechanics today to replace the sending unit. Will let you know if that was it...sounds exactly right though. We keep the oil changed religiously and there are no leaks, but if replacing the sending unit doesn't fix it, could be the oil pump? Thanks again.
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#4 Old 12-06-2011, 04:59 PM
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Well, had the sending unit changed and it was bad, was leaking oil! But still have the problem...it only happens when slowing for a stop or turn. Feels like it's not getting fuel. Went out and got fuel system cleaner but doesn't seem to be helping. What is the cam sensor everyone is talking about? Would that cause it?

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#5 Old 12-07-2011, 11:12 AM
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Cam or crank sensor would cause this, yes. Crank sensor is usually the first to give problems though. A bad or clogged IAC can do the same thing. A clogged IAC seems more appropriate. I would pull and check it first. The IAC is what controls idle. Does it idle correctly? It should, when cold, idle high and drop down in idle once warm. Turning the A/C on should also give a noticable idle change.
Do you have any codes? Is your check engine light coming on? If it is you have a code stored that may help reveal the problem. Autozone does free checks if you can't retrieve your own code. If you have a scanner you can retrieve codes this way or the key method can reveal the code. Turn the ignition to the On position, back to Off, back to On back to Off and finally back to On, as fast as possible. You odometer should readout a P code. Don't hit the start position and don't go all the way back to lock position.
Did replacing the sending unit take care of the oil light? Are you sure it the sequence you've explained? The oil light coming on then dieing, or is it dieing then the oil light coming on. If it's occuring this way it normal. If it's dieing the oil light will come on, because the oil pressure is low, once it gets below recommended RPM's.
Does it fire right back up everytime? If it does this can almost rule out cam or crank sensors. This would support the clogged IAC or bad IAC.
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