Question about Chevrolet Astro

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Have a 90 astro van just put a fuel pump on it and change out fuel relay it started but when i tryed it again it wouldnt start no t gettin gas to injector. what would shut da fuel pump off

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PRESSURE REGULATOR RELAY FUSE

Posted on Mar 12, 2011

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My 1996 chevy astro van died while i was driveing along and wouldnt restart. has a new tune up, is getting fuel but still will not start. Was trying to locate the fuel pump relay or either the fuel switch...


if it is getting fuel then there is no problem with pump relay or switch, check for spark. if no spark it is ether the crank sensor or the coil pack.

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Is there anything else that controls the fuel on a 1999 chevy astro van


You removed the relay and put back in, and it can start? It could be a relay going bad or a wiring terminal connection where the relay plugs in. I would try a new relay and see if problem goes away. Clean the terminals with an electronic cleaner spray, where the relay plugs in.

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93 Astro Van fuel pump situation. Electrical?


it all depends on if the wire does or doesnt have power when u shut the key off, if it does the pump will run non stop even with the key out,i would suggest getting the relay working properly,also depending how u hook it up u dont want too much voltage runnin through the relay...u could melt it,hope this helps

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Well if theres power going to the relay but not out, then you need a new relay. If theres power in and out of the relay, you might need a new fuel pump. The electric fuel pumps inside the tank are actually lubricated by the fuel as it pumps it, and if it runs dry long enough, it can burn out the pump

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1 Answer

1998 chevy astro van ecm II fuse(20amp)burn out continually


The first thing you should do is to locate the oil pressure switch/sending unit.


This switch serves two functions.

1) provide oil pressure reading

2) disable the fuel pump relay in event of oil pressure loss.

===

When this switch is failing to provide the correct pressure to the ECU. The wiring harness can overheat and eventually create a short.

ECM2 fuse blow is because the harness is grounding/shorting.

===

DO NOT drive the truck until you change the oil pressure switch.

After you change the switch,you should spend sometime to inspect the wiring between the fuel pump relay,ECU and fuel pump.


Please post up day on the comment window/page.

I will follow up on it later.


Good luck.

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Sounds like dirty gas and the fuel filter is clogged...try changing the fuel filter...some are under the car, but most are mounted against the firewall in the engine compartment.

Apr 19, 2009 | 2005 Chevrolet Astro

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Chevy astro van turns over but wont start when


Check to see if the fuel pump is kicking in,
when you turn the key on without starting the van you should hear it kick on for about 2 seconds,

It could be...
A clogged fuel filter...
Blown fuse for the pump..or bad pump relay..
No gas
Bad fuel pump

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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.

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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

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