Question about 1995 Chevrolet Astro

5 Answers

Starting Problems with a 1995 chevy astro 2wd 4.3 L

The van will start sometimes......other times it won't. When this problem first started I got it jumped and it started right up. Then I went to fuel the van stopped again and wouldnt start called a tow company to come jump start it thinking it was the battery but jumping it didn't work this time. I asked a mechanic and was told it was the fuel pump personally that dont make sense to me but if someone could please get back to me with any additional information thank you in advance!

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  • Anonymous Sep 10, 2008

    i am having the same problem right now with same model and year vehicle, tried changing fuel pump.. still nothing! So I am stuck 75 miles from home.. with no clear solutions also.. Was told it might be the timing chain. .. Any help here?

  • ttsstr5 Sep 19, 2008

    It is completely down now won't even start and no a pressure test was not done on it. At this point I don't have all the tools needed to fix it due to it taking a special "cam wrench":(

  • ttsstr5 Sep 20, 2008

    It says so in the directions with the fuel pump. I have no clue but said it can be ordered from Montana. So I am hoping this is the solution if not I pray it isn't the timing chain.

  • ttsstr5 Sep 20, 2008

    Yes we have done the starting fluid thing and that worked for awhile. But now it is completely DOA :(. So I am waiting for help to drop the fuel tank so I cab get to the pump to tell wether or not it does take the special cam wrench that the directions speak of.I will keep you updated of the progress :).

  • ttsstr5 Nov 11, 2008

    Fuel pump has been changed. Still not starting. Although it did backfire and blew the valve cover gaskets out and you can smell gas in the oil. :(

  • segunobiwumi May 07, 2009

    the van starts sometimes but would not start sometimes. i checked and found there was spark from the coil and gas on the supply pipe

  • jftallcott May 11, 2010

    2000 chevy astro van wont start

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5 Answers

Most GMs have a 2 stage fuel pressure system. Where for examplt it requires 60+ PSI for startup and then around 45 PSI to run the engine. Give you GM dealer a call for the specs, most dealers would be happy to assist you, and then again most will not. Good Luck.

Posted on Nov 01, 2008

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Could be the fuel pump relay. Make sure the relay is getting constant power and contacts are not corroded.

Posted on Oct 13, 2008

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  • Master
  • 507 Answers

The fuel pump might be going out. Did that mechanic do a fuel pressure test/tests? Sometimes the pump might be acting up when it's going out. Off hand, I don't know what it could be.

Posted on Sep 07, 2008

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  • Steven Brock Sep 20, 2008

    to tell if it's the timing chain or not, just have a friend crank the motor while you spray a SMALL shot of starting fluid into the throttle body. If it runs, fuel pump. Plain and simple.

  • Steven Brock Sep 20, 2008

    If it's running with the starting fluid, it's not the timing chain. The starting fluid acts like gas in the system when no gas is getting to the motor. So it's defineatly a fuel problem. No doubt about it. No need to worry about timing chain.

  • Steven Brock Mar 07, 2009

    valve cover gaskets blew out? i bet it's solved by now but I'ld be thinking intake gaskets.

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Posted on Nov 04, 2008

A special cam wrench? Who said this and what did he say was wrong?

Posted on Sep 19, 2008

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