Sputtering 95 Eclipse

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Kep31 - 15 Mar 2007 04:58 GMT

I have a 95 Eclipse GS, when I drive it for about
30 to 40mins it sputters and stalls at the first stop. I can start it
right back up, but it continues
to sputter at low speeds. I need to know if it's any thing between the
fuel regulator,the fuel filter or bad timing.

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Stewart DIBBS - 15 Mar 2007 12:23 GMT

>I have a 95 Eclipse GS, when I drive it for about
> 30 to 40mins it sputters and stalls at the first stop. I can start it
> right back up, but it continues
> to sputter at low speeds. I need to know if it's any thing between the
> fuel regulator,the fuel filter or bad timing.

Plug leads, fuel filter, dirty injectors. If this happens on a 1/2 or less
full tank, the return line or vapour purge line is blocked. When it happens
again, slowly release the filler cap. If you hear a hissing sound, thats the
problem. Once pressure is equalized, see if the sputtering continues.

Might be the caps on the ECU starting to fail.

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Stewart DIBBS
www.pixcl.com/lancerproject.htm

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Bob Shuman - 16 Mar 2007 02:18 GMT

Adding to Stewart's excellent list of possible issues: a clogged air filter,
a dirty throttle body, defective intake air control, or a failed coolant
temperature sensor. If these were not done recently, then replace the plugs
and wires and filters too and see if it goes away.

Not as likely in my mind to be a clogged fuel filter with no other
drivability issues at high speed.

Bob

>>I have a 95 Eclipse GS, when I drive it for about
>> 30 to 40mins it sputters and stalls at the first stop. I can start it
[quoted text clipped - 9 lines]
>
> Might be the caps on the ECU starting to fail.

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Kep31 - 27 Mar 2007 01:36 GMT

I took your suggestions and saw some performance
improvements. But, the stalling still continues.
I was reading my mechanic manual, it mentioned something about EVAP
CANISTER being the culprit.
I could really use some insight on this.....THANKS

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Stewart DIBBS - 28 Mar 2007 23:30 GMT

>I took your suggestions and saw some performance
> improvements. But, the stalling still continues.
> I was reading my mechanic manual, it mentioned something about EVAP
> CANISTER being the culprit.
> I could really use some insight on this.....THANKS

I can't think how the evap canister could be the problem, unless the
solenoid that allows the evap purge operation to occur.

a) look at ALL the 6mm vacuum hoses for leaks. Any cracks or splits, replace
the hose.
b) take your filler cap off and see if the sputtering still occurs. If it
does, then your gas tank is not equalizing pressure. The pump sends gas, and
produces a partial vacuum in the tank. If this gets too high, the pump
ceases to work or works poorly, giving reduced fuel pressure.

Also, verify that the fuel return line is not connected to the purge line,
and vice versa. Generally you'll get fuel leaking out the cannister, but not
always.

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Stewart DIBBS
www.pixcl.com/lancerproject

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