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Toyota Camry: Ok...replaced fuel pump in a 2007 toyota camry....worked

Customer Question
Ok...replaced fuel pump in a...
Ok...replaced fuel pump in a 2007 toyota camry....worked for a few minutes then died....no power again when key is on to pressurize the fuel system
Submitted: 2 years ago.Category: Toyota
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Customer reply replied 2 years ago
Constant 10.5 voltage at pump on one lead but didn't realize that key was not actually on...probably replaced a pump that was working fine. Already put the seat back in...Definitely a fuse, relay or wire issue....Checked all fuses and Relay that are visible....
Customer reply replied 2 years ago
(Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 1 day by:
7/26/2015
Toyota Mechanic: sprinkles08, ASE Certified Technician replied 2 years ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Toyota
Satisfied Customers: 23,265
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
Verified
Hello and welcome to JustAnswer!
The wire you're seeing with voltage is almost surely the sensor circuit, it's reference voltage rather than power. the fuel pump would only have power when the key is first turned on or when cranking.
The fuel pump power wire is gray. If there is no power there, fuses and the circuit opening relay are good then you either have a wiring issue or the engine controller isn't awake.
Doe the ECM have communication with a scan tool at the time it won't start? If so, are any codes setting?
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sprinkles08
sprinkles08, ASE Certified Technician
Category: Toyota
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