Dodge Ram shuts off - Car Troubleshooting


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Dodge Ram shuts off

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farsat
New User

Dec 11, 2012, 9:47 AM

Post #1 of 5 (3438 views)

Dodge Ram shuts off	Sign In

1999 dodge ram 1500 van shuts off while driving. Will not start but after a couple to as much as 45 min later it will start. I can go for a few min or a few miles it will shut down again.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 11, 2012, 10:13 AM

Post #2 of 5 (3428 views)

Re: Dodge Ram shuts off	Sign In

When trying to restart it does it crank at all or crank and not start? - T

farsat
New User

Dec 11, 2012, 10:18 AM

Post #3 of 5 (3424 views)

Re: Dodge Ram shuts off	Sign In

It cranks but not start.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 11, 2012, 10:19 AM

Post #4 of 5 (3420 views)

Re: Dodge Ram shuts off	Sign In

While down follow this and see what is missing........

http://autoforums.carjunky.com/...LL_NOT_START_P75655/

T

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 11, 2012, 10:47 AM

Post #5 of 5 (3408 views)

Re: Dodge Ram shuts off	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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