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97 dodge grand caravan just stops running while driving


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nlind86
New User

Jun 11, 2013, 6:54 PM

Post #1 of 4 (2831 views)
97 dodge grand caravan just stops running while driving Sign In

I have a 97 dodge grand caravan it is a 3.8 liter v6 the check engine light came on and when i had it read it was throwing a multiple misfire code and vacuum codes 300 302 and 304 while i am driving it just stops running as if i have turned the key off it gives no warning no spit or sputtering just stops and the speedometor and odometer sometimes don't work the just stay on 0 i have replaced the engine coil packs the egr valve spark plugs plug wires water pump battery and altenator so any thoughts on what else it could be also when i replaced the altenator the one that was in it was a lot bigger and higher amp than the one intended for it i don't know if that is relevant or not but any help will be greatly appreciated


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 11, 2013, 6:56 PM

Post #2 of 4 (2829 views)
Re: 97 dodge grand caravan just stops running while driving Sign In

Does it immediately start right back up?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



nlind86
New User

Jun 11, 2013, 6:59 PM

Post #3 of 4 (2822 views)
Re: 97 dodge grand caravan just stops running while driving Sign In

Sometimes it does and sometimes it takes hours or i have to leave it and come back the next day to get it


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 11, 2013, 7:04 PM

Post #4 of 4 (2818 views)
Re: 97 dodge grand caravan just stops running while driving Sign In

Then this is how you have to proceed..........................

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.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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