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Car Forum / Nissan / Nissan Maxima / January 2008

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fuel pump relay for 89 maxima

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a - 04 Jan 2008 14:58 GMT
I do not know where the fuel pump relay is located for a 89 maxima.
I want to replace it because I was told that a bad relay may be the
cause of a intermittent engine bucking and misfiring.
Chris H - 07 Jan 2008 00:13 GMT
Bucking and misfiring sounds more like an ignition problem. Check your wires
and distributor cap. Probably ought to change those if they haven't been
changed in a long time. Cracks can let in moisture and cause misfiring.
When you turn on the key, you should hear a whine and then it will shut off
if you don't crank the engine. If you hear this, then your fuel pump is
probably working properly. Need more information for this problem as it can
have several causes.

Chris
90, 94 GXE
06 SE

>I do not know where the fuel pump relay is located for a 89 maxima.
> I want to replace it because I was told that a bad relay may be the cause
> of a intermittent engine bucking and misfiring.
a - 07 Jan 2008 16:16 GMT
> Bucking and misfiring sounds more like an ignition problem. Check your wires
> and distributor cap. Probably ought to change those if they haven't been
[quoted text clipped - 11 lines]
>> I want to replace it because I was told that a bad relay may be the cause
>> of a intermittent engine bucking and misfiring.

I have replaced wires, plugs, distributer cap and rotor and fuel filter.
I would like to know the location of the fuel filter relay anyway.
codifus - 07 Jan 2008 17:24 GMT
> > Bucking and misfiring sounds more like an ignition problem. Check your wires
> > and distributor cap. Probably ought to change those if they haven't been
[quoted text clipped - 14 lines]
> I have replaced wires, plugs, distributer cap and rotor and fuel filter.
> I would like to know the location of the fuel filter relay anyway.

I don't think it has a relay. There should be a fuse for the fuel
pump, though. You could try re-seating it.

CD
 
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