Car died when I rolled down the window. Started an hour later.

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Car was running fine, while stopped I rolled down the window and the car died. The car would not start after. It would turn over and almost start and the windows would not work. About an hour later it started, the window rolled up and I made it home. Once home, it died again when I started messing with the window and seat buttons. This happened before and the car started again after a time.

Do you
have the same problem?
Tuesday, May 14th, 2013 AT 3:55 PM

1 Reply

  • 21,076 POSTS

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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Tuesday, May 14th, 2013 AT 4:20 PM

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