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Replaced fuel pump but no fuel pressure

Tiny
DENNIS317
  • MEMBER
  • 1999 FORD TAURUS
  • 180,000 MILES
Replaced fuel pump, now its not getting fuel pressure. The old pump got hot but car didnt die. It wouldnt start back up untill it cooled down. I checked the fuse and relay prior to replacing fuel pump. I havent listened to see of the pump runs. May it be because its not seated all the way in? Any help would be appreciated. Thank you.
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Monday, July 2nd, 2012 AT 2:03 AM

14 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Best to see if the pump is running first, let me know if it is or isn't
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Monday, July 2nd, 2012 AT 2:07 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
Check power and ground @ the pump
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Monday, July 2nd, 2012 AT 2:09 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
No, doesnt seem like its running. I cant hear it making any noise once I turn ignition.
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Monday, July 2nd, 2012 AT 2:14 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
How do I do that? I took down the tank and checked 2 power connectors they seem to be in place. Its a brand new Airtex pump.
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Monday, July 2nd, 2012 AT 2:18 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
You will now have to test for power at the pump, if yes pump or earth for pump if no check pump relay and fuse is fused separately.
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Monday, July 2nd, 2012 AT 2:19 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
"if yes pump or earth for pump"? Can I disconect all the hoses and leave the pump plugged in to see if it turns on? Otherwise Im not quite sure what youre meaning.
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Monday, July 2nd, 2012 AT 2:24 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
If you do that run a short length of hose into a container, safer that way.
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Monday, July 2nd, 2012 AT 2:39 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
Okay thanks. Ill do that in the morning and will get back with you. So if the pump does work what should I be looking to troubleshoot next?
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Monday, July 2nd, 2012 AT 2:44 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
If the pump works you will need a fuel pressure gauge to check pressure
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Monday, July 2nd, 2012 AT 2:55 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
I took the cap off and pressed on it while the key was in on position. It didnt spray any gas. Then I tried to start it while the cap was off and still no gas sprayed out of it.
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Monday, July 2nd, 2012 AT 2:58 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
Do you have voltage and a good ground @ the pump?
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Monday, July 2nd, 2012 AT 9:46 AM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
Well, got a new pump. Same brand, same model. Bout to put it in and see if it was a faulty part. If not then troubleshoot from there. Here's the link to it http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Fuel-Pump-Module-Assembly-Airtex_18770630-P_52_R%7CGRPFUE2AMS____ Its a whole assembly so all I have to do is just put it in. Cross my fingers.
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Monday, July 2nd, 2012 AT 9:21 PM
Tiny
DENNIS317
  • MEMBER
  • 8 POSTS
CAR STARTED RIGHT UP! Thanks everyone for your help. It ended up beeing a bad pump. God, that car kicked my ass. Took it apart three times.
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Monday, July 2nd, 2012 AT 10:47 PM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
Your welcome
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Tuesday, July 3rd, 2012 AT 1:46 AM

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