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2004 chevy astro won't start!! help!!!!


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delle22
New User

Apr 15, 2014, 8:24 AM

Post #1 of 8 (1243 views)
2004 chevy astro won't start!! help!!!! Sign In

If I run the van everyday she starts no problems, as soon as I let it sit for a day or more , wont start .. Always cranks , need help. I had New plugs /Cap /Rotor and wires all replaced . `


(This post was edited by delle22 on Apr 15, 2014, 8:25 AM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 15, 2014, 8:31 AM

Post #2 of 8 (1235 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

You're going to have to have someone put a fuel pressure gauge on it when it's been sitting for a while and see exactly what the fuel pressure does while you are trying to start it. This engine is very pressure sensitive and requires a minimum of 55 PSI to run.



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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
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Apr 15, 2014, 8:48 AM

Post #3 of 8 (1224 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

Yes - take fuel pressure especially when it works every day and then when it doesn't. I'm curious about the plain battery voltage also taken when it works daily and what it is when it doesn't even though it cranks.


Watch if it takes a helper how much the voltage drops while starter is cranking both situations. If low after a couple/few days meaning just sitting there reads perhaps 11v or less maybe a drain or battery is just losing it?


Combo of watching both when it does this and when it doesn't.


As HT said this needs a bare minimum of pressure to run at all and if battery isn't at full power might not be able to but close. Just thinking not to confuse but have fought with ones that plain worked when checked and could fail when not around to find weak battery or fuel pump. Like to catch them in the act before concluding,


T



delle22
New User

Apr 16, 2014, 2:43 PM

Post #4 of 8 (1183 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

started today first crank , i dont get this van


Discretesignals
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Apr 16, 2014, 4:03 PM

Post #5 of 8 (1178 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

You won't either. That is until you get it to act up again and your testing the right thing at the right time. You should follow HT's advice.

You'll have to take the doghouse off to get to the fuel pressure service port.





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delle22
New User

Apr 16, 2014, 4:20 PM

Post #6 of 8 (1174 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

im gonna try to bring it to my friend garage and leave it til Monday , then he will try to start it after it sits for a day . thanks guys .. will keep u posted


Loren Champlain Sr
Veteran / Moderator
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Apr 17, 2014, 4:10 PM

Post #7 of 8 (1159 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

The next time that it won't start; Turn the key to the "on" position. (don't crank it over); Turn the key off, wait about 10-15 secs, the do the same thing. Each time you do that will increase the fuel pressure. If it starts after two or three tries, more than likely it's the fuel pump as HT suggested.
Loren
SW Washington


delle22
New User

Apr 17, 2014, 4:12 PM

Post #8 of 8 (1153 views)
Re: 2004 chevy astro won't start!! help!!!! Sign In

started today again no problems , 2 days in a row . we will try a 3rd tomorrow .






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