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After replacing Fuel Pump and Battery Van cranks but no start

Tiny
SJBAZE
  • MEMBER
  • 2001 CHRYSLER TOWN AND COUNTRY
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Recently replaced Fuel Pump and Battery. Van cranks but no start. It has spark. Fuel pump is working. No fuel at engine. If it is primed it will start momentaraly. When checking for fuel at valve on fuel rail there is lots of air and very little fuel.
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Wednesday, September 21st, 2016 AT 10:22 PM

11 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you are getting air and not fuel, then obviously the tank could be out of fuel. The gauge may not be accurate. If you confirm there is fuel in the tank, then the pump will have to come out to see what the issue is.
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Thursday, September 22nd, 2016 AT 4:54 AM
Tiny
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There is for sure fuel in tank. I just dropped it.
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Thursday, September 22nd, 2016 AT 10:48 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Find out why the pump is picking up air instead of fuel.
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Thursday, September 22nd, 2016 AT 10:50 AM
Tiny
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  • 15 POSTS
That is why I dropped the tank was to verify that the pump was sitting in the tank correctly. It is. What other reasons are there for the air in the lines?
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Thursday, September 22nd, 2016 AT 10:53 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
No other reason. All the pulling is done right there. Everything is push from that point on.
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Thursday, September 22nd, 2016 AT 11:04 AM
Tiny
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Is it possible that even though fuel pump is new, and is coming on that it does not have enough pressure?
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Thursday, September 22nd, 2016 AT 8:20 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Of course it is. That is why you should be using a fuel pressure gauge to test this. I was under the impression that you were seeing air pressure. You really should use a gauge.
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Friday, September 23rd, 2016 AT 4:28 AM
Tiny
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  • 15 POSTS
Okay. Using gauge pressure is good. The van will now start but immediately dies
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Monday, September 26th, 2016 AT 10:33 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Is the pressure remaining when the truck stalls?
Do you have any security indicators on of flashing when you try to start it?
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Monday, September 26th, 2016 AT 10:37 AM
Tiny
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  • 15 POSTS
Yrs holding pressure. No dash lights
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Monday, September 26th, 2016 AT 11:05 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If the fuel pressure is holding when it stalls, that means the computer is shutting it down, likely due to the security system. If you have an different key, try that. Otherwise you are going to need a professional grade scan tool to interrogate the BCM and security system.
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Monday, September 26th, 2016 AT 11:08 AM

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