2002 Dodge Durango

  • V8
  • 4WD
  • 12,800 MILES
I have 2002 Dodge Durango and yesterday I went to turn it on which it did start up but after I came back out the car was off, I went to start it up again and it no longer wanted to start up. This morning I went to to see if it would start up and it did I left it on to warm up and when I came out it was off again what could this mean?The check engine light is not on there are no lights on except the windshield washer fluid light?
Do you
have the same problem?
Thursday, February 10th, 2011 AT 1:27 PM

1 Reply

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.

4) If all of these things check good, then you would need to do a complete compression test.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.
Was this
Thursday, February 10th, 2011 AT 1:57 PM

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