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1999 JEEP G C fuel pump voltage
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basscat1
New User
Jun 13, 2008, 8:23 PM
Post #1 of 2
(1256 views)
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1999 JEEP G C fuel pump voltage
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The fuel pump has high voltage going to it,did not check with a meter but ran a test & that is what it said. I replaced the fuel pump and filter two weeks ago,checked the relay it was good.I just dont know. I try to prime the system by turning the switch several times, I get a code (P0455) .It ran for a week after changing the pump,then the check engine light came on, I ran the test ,high voltage.Now it wont start, it trys to but just wont. any help would be appreciated
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dave284
Enthusiast
/ Moderator
Jun 13, 2008, 9:10 PM
Post #2 of 2
(1252 views)
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Re: 1999 JEEP G C fuel pump voltage
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The code po445 means there is a leak in the evap system, a bad gas cap maybe, but that wouldn't cause the vehicle not to start, this sounds to be more of a ignition problem than fuel, next is to find out if its firing a good spark and also need to check the injectors,on some vehicles if the timing gets off a little it would cause a similar problem.
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