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01 chevy van over heated now turns over but wont start


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okieinmuskogee
New User

Jun 14, 2011, 6:43 PM

Post #1 of 5 (2962 views)
01 chevy van over heated now turns over but wont start Sign In

we have been getting warm but this time got hot and now that its cooled off it wont start
its a 2001 / chevy / venture van/ 6 cyl


speed
User

Jun 14, 2011, 7:29 PM

Post #2 of 5 (2947 views)
Re: 01 chevy van over heated now turns over but wont start 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.

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.

perform the tests and reply back with the results.





GM ASEP 26 SCC Milford ASE certified in Brakes and Electrical on Thursday April 5th 2012


Mr.scotty
Enthusiast
Mr.scotty profile image

Jun 14, 2011, 9:41 PM

Post #3 of 5 (2945 views)
Re: 01 chevy van over heated now turns over but wont start Sign In

When it does run is there a check engine or service engine soon light on?
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Your only as good as your tools!


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 15, 2011, 4:17 AM

Post #4 of 5 (2936 views)
Re: 01 chevy van over heated now turns over but wont start Sign In

You might as well start with a compression test. If you got it hot enough, you probably fried it.



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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.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 18, 2011, 1:41 PM

Post #5 of 5 (2909 views)
Re: 01 chevy van over heated now turns over but wont start Sign In

Was there something obstructing your view of warning lights or gauges? As Hammer just said it might and probably is "Game Over" for that engine,

T







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