jim beam <spamvortex@bad.example.net> wrote in
news:SKidnSNLZsh3o33VnZ2dnUVZ_qLinZ2d@speakeasy.ne t:

> jim L wrote:
>> This isn't actually a honda problem, but I hope someone here can give
>> me some insight into what is happening & why.
>>
>> I have a 93 Nissan pickup w/ electric fuel pump in gas tank. When it
>> works, it works fine.. until you shut engine off. It doesn't quit
>> when engine is running - regardless of how long it runs - 1 mile or
>> 50. but after turning engine off, fuel pump may or may not run. If
>> it doesn't, it won't work again until it sits a day or so.
>> Based on the schematic, I thought the problem was with the ECU to the
>> fuel pump relay, so I pulled the relay & jumped the circuit. It
>> seemed to work fine - started it several times over next couple of
>> days - even let it run & get up to operating temp, shut off &
>> restarted fine.
>>
>> Then drove it about 5 mi., and it wouldn't start afterward. Still
>> wouldn't start 3 hrs later, but started & drove it home about 20 hrs
>> later. Turned off & wouldn't start.
>>
>> I guess I need to replace fuel pump, but I'm baffled as to why pump
>> works fine and continues to run as long as engine is running. It
>> seems like a bad pump would quit on the road instead of only when
>> engine is turned off.
>>
>>
>
> honda have been plagued by the solder on their main relay cracking.
> and the symptoms are exactly the same as you describe. [if nissan use
> mitsuba relays,] go to tegger.com, check out the resolution, then see
> if it works for you.
>

it's certainly a lot easier to replace or resolder the relay than to change
a fuel pump.

--
Jim Yanik
jyanik
at
kua.net