fuel pump relay location?

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fuel pump relay location?

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fuel pump relay location? - 11/26/2006 3:41:39 PM

manyodas88

Posts: 4
Joined: 11/25/2006
Status: offline

i'm working on my 01 3.8 does anyone know where the fuel pump relay is located? my car has been giving me starting problems off and on and now has pretty much givin up. the pump is no longer working and thought i would give the relay a look before taking it in for a pump replacement. i assume that should cost me about $600 or more? thanks

Post #: 1

RE: fuel pump relay location? - 11/27/2006 1:01:10 AM

Hayapower

Posts: 2105
Joined: 7/22/2006
Status: offline

The 01 3.8 uses a constant control relay module 'CCRM'

PCM relay power, as well as the control of the cooling fan, A/C clutch are done through the CCRM, which also contains the fuel pump driver module 'FPDM' power supply relay, which supplies power to the FPDM. If any of the internal components of the CCRM fail, the entire unit has to be replaced.

The fuel pump driver module receives a duty cycle signal from the PCM and controls the fuel pumps operation in relation to this duty cycle. This result is a variable speed fuel pump operation.

If you have a 'no start' condition due to a fuel delivery issue, power to the pump should be checked to diagnose a bad pump, or no pump imput from the CCRM/FPDM..

_____________________________

05 F250 C/C FX4 6.0
1969 Firebird Trans Am
2003 Hayabusa GSXR1300

(in reply to manyodas88)

Post #: 2

RE: fuel pump relay location? - 11/27/2006 6:14:37 AM

manyodas88

Posts: 4
Joined: 11/25/2006
Status: offline

thanks ! now to locate that? i hope i can acess the harness plug for the fuel pump without dropping the tank. thanks again!

(in reply to Hayapower)

Post #: 3

RE: fuel pump relay location? - 11/27/2006 7:32:41 AM

cobra79

Posts: 59
Joined: 11/14/2006
Status: offline

Check and see if you have a fuel shut off switch in the trunk of your car. It should tell you in your owners manual. you can see if you have power there when you turn your key on. it only powers it up for 4 to 5 seconds.

(in reply to manyodas88)

Post #: 4

RE: fuel pump relay location? - 11/30/2006 9:55:15 PM

manyodas88

Posts: 4
Joined: 11/25/2006
Status: offline

well i have just checked the inertial switch in the trunk and when the ignition is turned to "on"it has power there but it also stays on constantly. this thing has so many bells going when you have it in the on position it's hard to hear if the pump has ran or not.

(in reply to cobra79)

Post #: 5