Question about 2004 Chevrolet Astro

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2004 astro van.started fine in the morning put rear brakes on now won't start.fuel pump works.when cranking over backfires through intake.didn't touch any wires when putting on

2004 astro van 2wd 4.3 engine.no start cranks over fine.started in morning then went to move later no start.back fires a little from intake when trying to start.no codes

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Harold Aber

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Could be low fuel pressure. Should be 50psi min.

Posted on Jan 25, 2015

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2004 astro van.started fine in the morning put rear brakes on now won't start.fuel pump works.when cranking over backfires through intake.didn't touch any wires when putting on rear br


Backfiring from intake usually indicates a timing problem. The brake job has not effect on the engine, unless you accidentally disconnected some wires in the engine compartment, but highly unlikely. More likely the timing belt/chain may have jumped a few teeth. If you have an access hole to see the timing belt and marks have a look. If you need more specific info most libraries have subscriptions to online automotive service manuals for almost any year, make and model of car, motorcycle, or whatever. If you have a library card, some will give you the u/n and p/w so you can access them from your home computer, if not then you will have to go to your local branch to get access, but it is free!

Jan 25, 2015 | 2004 Chevrolet Astro

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Hi i have a 1996 chevy astro van wont start


chk in line fuel filter for obstruction, also could be a lot of sediment in the tank clogging up the filter. Hope this helps you resolve your problem.

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89 K5 Blazer 350 TBI cranks but won't start... the rad hose blew, i fixed it then the next day it bogged and backfired, ran fine cold, but when warmed up it would lose power and stall when trying


Have you checked Google I found this hopefully it's not your timing or it may be flooded but doubtful have you tried spraying starting fluid into the intake while cranking it

Jun 01, 2012 | Cars & Trucks

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Do you notice crank when you turn over the key in ignition to start. Does it turn over but does not start, or no start nothing at all. ---------- If its not cranking and nothing happens when you turn the key, then its battery and starter related problem, both needs to be inspected.Either battery is not completely charged or its weak battery,that is not holding charge or its faulty battery or its connections are loose.-------- BUT if it is cranking and not starting, this clears that battery has juice in it and battery is doing its job and other possibilities needs to be checked. -------- The other possibilities are ,is the fuel pump coming on when you turn the key to start,is the spark is noticed at spark plug, is the check engine light coming ON. For more troubleshooting regarding this problem,click the link below:--- http://technoanswers.blogspot.com/2011/10/2000-chevrolet-astro-van-wont-start.html -------------- This should help.Thanks.Helpmech.

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1 Answer

1998 GMC Savana conversion van - It starts right up and immediately dies, repeatedly and randomly. Sometimes it won't start for days. Then poof, starts right up. It turns over fine, it starts fine. The...


It won't die when pulling the relay because it has another power path to the fuel pump through the oil pressure switch . Fuel Pump Electrical Circuits Description and Operation watch this video on fuel pump control , shows chrysler first , ford ,then gm . wait for gm an he explains the oil pressure switch . Plus when it won't start ,don't guess or theorize ! Test what's missing ? check for spark , no spark check ignition system , coil's , ignition module , crank sensor etc... has spark ,do a fuel pressure test etc... don't think computer , when it won't start does the check engine light come on with the key on run not start . If light is lit ,nothing wrong with the cumputer . If want to fix cars you really should take some automotive classes . Test don't guess .Watch some other videos crank no start videos etc...

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3 Answers

96 Astro Fuel Pump Question?? no start/Flooding


With the upper plenum removed and spark disabled turn on the key and allow the fuel pump to prime while watching the fuel lines from the back of the intake to the injector. I suspect you lines are leaking. Have seen this before. ALOT.

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86 Cherolet Astro van ran out of gas while driving, and when i refueled with about a gallon it still wouldnt start. I tried adding more gas by filling with another gal. and same result. When i try to start...


by missing gas you pick up all the dirt in the gas tank if the gas pump dont start there nothing else then dirt in the gas pump if it was running good before so there no other reason then gas pump you try something get somebody to crank the truck at the same time go underneat the truck with a hammer hit the gas tank many time while the engine crank with the shot of hammer the vibration activate the gas pump check it out let me no pierre

Jul 31, 2008 | 2000 Chevrolet Astro

4 Answers

1999 chevy astro van 4.3 will not start in morning, after cranking for several minutes it will finally turn over and run fine the rest of the day could it be a bad fuel pump or oil pump


I have the same problem, I replaced the fuel pump. Did NOT solve it. i was told that it is a computer problem. The computer is not sending electric to the fuel pump, by cranking it several times the oil pressure builds up and will over ride the computer and send power to the fuel pump. This is a common problem on these asrto vans.

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