2002 Pathfinder P0462 code

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Richard - 07 Aug 2007 00:22 GMT

I drove it yesterday and all the fuel, tach, temperature, odometer,
and speedometer gauges went to zero and then after a few minutes
bounced back to normal.
Driving back home it happened again and the check engine light came
on. But they never came back to normal. So I put the :car chip" on
it and it's showing a P0462 code which is "fuel level sensor circuit
low input".

Any suggestions on the next step, I'd rather fix it myself than take
it to the dealer.

TIA
Richard

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Chuck Tribolet - 07 Aug 2007 04:51 GMT

I've got an '01, and while it doesn't have that code, it has P0460, P041, and P0464,
all of which have to do with the gas guage sensor. I think the instrument cluster blackout is the
cause. Power for the gas guage sensor comes through the instrument cluster (on my '01,
and likely your '02), and if the cluster looses power, the sensor is going to give wonky
readings, and (I'm an EE) there's a real good chance ithose wonky readings will be low input.

The good news is that the instrument cluster is dark and you can chase that bug.
Turn the ignition on. Wiggle stuff around the fuse block, esp #24 and #8. Then I'd start
checking the connnections on the back of the instrument cluster.

>I drove it yesterday and all the fuel, tach, temperature, odometer,
> and speedometer gauges went to zero and then after a few minutes
[quoted text clipped - 9 lines]
> TIA
> Richard

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Richard - 14 Aug 2007 23:20 GMT

After several hours of wiggling every wire, I gave up and took it to
the dealer. It was the Printed Circuit Assembly for the Dash Cluster.

End of story

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Andrew Chaplin - 15 Aug 2007 03:31 GMT

> After several hours of wiggling every wire, I gave up and took it to
> the dealer. It was the Printed Circuit Assembly for the Dash Cluster.
>
> End of story

Well, in the words of the prophet, "That sucks."

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Andrew Chaplin
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