Re: Turbogas wagon puzzler
From: Bill (oldbie@gmail.com)
Date: Tue 27 May 2008 - 16:20:15 EDT
I will take a stab at it- you might want to check the check valve
on the fuel pump. I have seen a couple of failures.
It's a ball and spring affair that comes out of the fuel pump
(Bosch), and it keeps the fuel rail pressurized. If there's moisture
in the fuel system, that moisture goes to the lowest point, hence
corrosion and sticking.
It comes on a new pump, and I remember getting one from Sunset years
ago, separately, for about $20, but I don't have the part number. It
was a lot cheaper than a new pump.
I remember that on a new one, you could blow into one end with no
resistance, but not the other. Then, on the failure, it was the
complete opposite. I forget now which was which.
FWIW.
-Bill
--- In peugeot-L@yahoogroups.com, "stefan_ides" <stefan_ides@...> wrote:
>
> Hi Everyone,
> I'm looking for suggestions re the almost-running-but not-quite-
> problem w my 86 N9te wagon with the following symptoms:
> Recently, the engine would start, but then die after 2-3 mins of
> warmup. During warmup, it could not rev past 1500 rpm, then 1200, then
> <1,000 [but microswitch on t/housing seems ok, clicks?].
> This state then deteriorated further to where now, the engine just
> acts like it might start [gives a few chuggs], but won't. I replaced
> the fuel filter, engine temp sensor on the t/stat housing and airflow
> meter, checked all vac lines/connectors and air intake boot for leaks.
> Distributor and plugs/wires seem ok.
> The O2- sensor was completely fouled-up w fresh black soot and
> replaced w a known-good [used] one, but ofcourse the symptoms
> remain the same ...
> What's left? Faulty injection/ignition relais and/or ECUs... bad gas
> in tank, plugged up cat, turbocharger not spinning freely?
> Educated guesses or better will be greatly appreciated : ]
>
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