Question about 1995 Saturn Sl

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Engine cuts out while driving and takes 5 to 10 minutes to restart

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  • tgonavy Nov 10, 2010

    very informative

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Hi,
If your engine just stalls unexpectedly while driving, read the instruction below to troubleshoot it...

Stalls like this are often ignition-related and happen when the engine loses spark. The underlying cause is often a bad crankshaft position sensor, or sometimes a failing ignition coil (if the engine has only one coil). A faulty ignition switch that loses contact intermittently may also cause the engine to suddenly die for no reason.
When this happens, open the hood and check for spark. This can be done by pulling off a plug wire (if the engine has plug wires), and placing the end near the block while a helper cranks the engine. DO NOT hold the wire as it may shock you if the ignition system is working. If you do not see a spark or hear the plug wire snapping when the engine is cranking, the fault is in the ignition system.
If the engine has spark, it may have died due to a loss of fuel pressure. When fuel pumps fail, they usually just quit with little or no warning. The engine usually won't restart and the vehicle has to be towed in for repairs. Listen for a buzz from the vicinity of the fuel tank when the ignition is turned on. No buzz means the fuel pump isn't running. It might just be a blown fuse or a bad relay, but on a high mileage vehicle it's often a bad fuel pump.
Another possibility is a bad PCM (engine computer) relay. The power supply to the PCM is often routed through one or two main power relays. If one of these relays loses contact momentarily, it's like pulling the plug on the PCM. The PCM shuts down and turns off the ignition and fuel injectors, causing the engine to stall. One way to see if this is a possibility is to switch or replace the PCM power relay(s). If the problem goes away, the cause was a bad relay. If it continues, the fault is something else (possible a wiring fault in the PCM relay or PCM power circuit).
Yet another possibility is low system voltage, loss of voltage, or overcharging. The PCM and other control modules require a steady 12 volts to operate correctly. If the supply voltage suddenly drops below 9 volts, or surges about 16 volts, or cuts out, the PCM may temporarily kill the injectors or ignition circuit. The underlying cause may be an intermittent short somewhere in the electrical system or charging system that causes a momentary drop or surge in voltage. These can be very difficult to find, and often require hooking up a scan tool that can capture snapshot data when the stall occurs. By looking at the data, a technician can see the chain of events that caused the stall, and hopefully identify, isolate and repair the fault.

Posted on Nov 10, 2010

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Posted on Jan 02, 2017

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SOURCE: The engine stops running after 10 minutes of driving

could be a bad crank sensor, a bad crank sensor will let car run for a while then shut down and will not start for 10 to 15 min. and it will repeat this cycle if not fixed.the crankshaft position sensor provides the ignition module and pcm with a crankshaft position signal. the module uses this signal to determine spark for each cylinder. the pcm uses this signal for proper timing of engine.

Posted on Dec 14, 2009

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SOURCE: my landscape truck engine power cuts out randomly.

sounds like the map sensor is bad!!!

Posted on Nov 20, 2009

canbruce75
  • 1776 Answers

SOURCE: engine shuts off while driving

I would suspect a faulty EGR valve, but is the check engine light on? If it is, take the vehicle to an autoparts store and have them use a scan tool to retrieve the fault code(s) stored in the computer. Most parts stores offer this service free of charge. That will narrow the search for the problem. Sure hope this helped.

Posted on Jul 20, 2009

jingB
  • 19 Answers

SOURCE: Engine cuts out and wont restart for maybe 20/30 minutes

honestly, I've not seen an alfa romeo here in the philippines but i think you problem is partly electrical and the electronic side of the car. something on your car is heating up so much that it cuts the power to the ignition once it has. it is a possibility that a damaged ignition coil or a faulty computer box(if your car has one) or the control system that regulates the spark distribution system or the injectors(if your car is fuel injected type).

Posted on Apr 14, 2009

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