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2000 Neon engine shuts off while driving


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thealist12
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Jan 14, 2012, 12:09 AM

Post #1 of 2 (1911 views)
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2000 Neon engine shuts off while driving Sign In

I have a 2000 Dodge Neon with over 170,000 miles. While driving my car will shut off with out a noise and only the oil light comes on. Electrical systems still work, lights, radio. The car will start again, but only after some time. Then the same thing will happen. It has also happened while the car is parked. I thought the problem might have been the ignition coil, so I changed it, but the problem is still happening. Can someone please help me?


Hammer Time
Ultimate Carjunky / Moderator
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Jan 14, 2012, 6:01 AM

Post #2 of 2 (1869 views)
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Re: 2000 Neon engine shuts off while driving [In reply to] Sign In

  All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be tested during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.



Every engine requires spark, fuel and compression to run. That's what we have to look for.

These are the basics that need to be tested and will give us the info required to isolate a cause.

1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.


2) Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.


3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.


Once you have determined which of these functions has dropped out,
you will know which system is having the problem.




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