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Old 11-04-2005, 21:01   #1 (permalink)
djfixit
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92 ford explorer

i have to crank the engine over 3 or 4 times befor its starts.when it
starts it idles poorly until i step on the gas pedel.within the last week
i put in new air filter,fuel filter,highest grade fuel,injector
cleaner,choke and spark plugs

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Old 11-04-2005, 22:01   #2 (permalink)
Jim Warman
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Re: 92 ford explorer

Choke???


"djfixit" <djfixit9@hotmail.com> wrote in message
news:722e19462885cbffeb07cdcde99542f4@localhost.talkaboutautos.com...
> i have to crank the engine over 3 or 4 times befor its starts.when it
> starts it idles poorly until i step on the gas pedel.within the last week
> i put in new air filter,fuel filter,highest grade fuel,injector
> cleaner,choke and spark plugs
>



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Old 11-05-2005, 00:01   #3 (permalink)
Happy Traveler
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Re: 92 ford explorer

Choke on a '92 Ford? I thought that only the Honda engine was still
carbureted so late in the game (I am talking about my lawn mower...)

"Jim Warman" <mechanic@tenalpsulet.net> wrote in message
news:ggXaf.79476$S4.36978@edtnps84...
> Choke???
>
>
> "djfixit" <djfixit9@hotmail.com> wrote in message
> news:722e19462885cbffeb07cdcde99542f4@localhost.talkaboutautos.com...
> > i have to crank the engine over 3 or 4 times befor its starts.when it
> > starts it idles poorly until i step on the gas pedel.within the last

week
> > i put in new air filter,fuel filter,highest grade fuel,injector
> > cleaner,choke and spark plugs
> >

>
>



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Old 11-05-2005, 06:01   #4 (permalink)
Charlie Bress
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Re: 92 ford explorer

I dunno. I have a 92 and there are days I would like to choke it,

Charlie


"Happy Traveler" <happy_traveler@abc.net> wrote in message
news:i_OdnUP7zNol_fHeRVn-gg@comcast.com...
> Choke on a '92 Ford? I thought that only the Honda engine was still
> carbureted so late in the game (I am talking about my lawn mower...)
>
> "Jim Warman" <mechanic@tenalpsulet.net> wrote in message
> news:ggXaf.79476$S4.36978@edtnps84...
>> Choke???
>>
>>
>> "djfixit" <djfixit9@hotmail.com> wrote in message
>> news:722e19462885cbffeb07cdcde99542f4@localhost.talkaboutautos.com...
>> > i have to crank the engine over 3 or 4 times befor its starts.when it
>> > starts it idles poorly until i step on the gas pedel.within the last

> week
>> > i put in new air filter,fuel filter,highest grade fuel,injector
>> > cleaner,choke and spark plugs
>> >

>>
>>

>
>



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Old 11-05-2005, 09:01   #5 (permalink)
carbide@egine.com
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Re: 92 ford explorer


djfixit wrote:
> i have to crank the engine over 3 or 4 times befor its starts.when it
> starts it idles poorly until i step on the gas pedel.within the last week
> i put in new air filter,fuel filter,highest grade fuel,injector
> cleaner,choke and spark plugs


My 94 may have this problem too. In the two months I've owned it I've
seen it 3 times.
Once I had to crank it a couple of times before it fired up. All other
cold starts it fired right up.
Twice on warm starts it has idled roughly at about 500 rpm. Giving a
little throttle had no effect (strange, you'd think it would either die
or rev up), then after about 5 seconds it took off and ran normally.

I'm thinking IAC or maybe the EGR problem.
-Paul

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Old 11-05-2005, 12:01   #6 (permalink)
Charlie Bress
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Re: 92 ford explorer

I know the original post said the gas was switched to a higher grade.

Ford recommends regular gas and points out that higher octane fuel may cause
hard starting.
This makes sense when you consider that the octane rating is a measure of
how easily the fuel/air mixture ignites. The higher the number the harder
ignition becomes. If the mixture ignites too easily what you may get is
pre-ignition or knocking. Raising the octane level reduces pre-ignition and
is required by high compression engines. So higher rated gas may make
starting more difficult.

And now a true experience. Two weeks ago I went to visit my son who lives
about 100 miles away. Between the trip up and a bit of running around, when
it was time to go home I stopped at a Citgo station and filled up (about 3/4
of a tank)
Back home the SUV would absolutely not start on the first crank. After
getting the fuel level to below 1/4, I filled up at our local Shell station.
By the next day, my 92 with 179k and counting started each and every time on
the first turn of the key.

Normally I do not like to post the names of companies that I have dealt
with, but that is my story and I will stick to it.
As ever, your mileage may vary.

Charlie

"djfixit" <djfixit9@hotmail.com> wrote in message
news:722e19462885cbffeb07cdcde99542f4@localhost.talkaboutautos.com...
>i have to crank the engine over 3 or 4 times befor its starts.when it
> starts it idles poorly until i step on the gas pedel.within the last week
> i put in new air filter,fuel filter,highest grade fuel,injector
> cleaner,choke and spark plugs
>



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Old 11-06-2005, 16:01   #7 (permalink)
dr bob
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Re: 92 ford explorer

Take a look at the vacuum connections on the side of the intake
manifold, where the big hose from the brake booster attaches to the
engine. The connections incude a hose to the fuel pressure regulator,
a hose to the auto trans modulator, a hose to the HVAC, a hose to the
cruise control servo, and a plug on a spare port. Under certain
hard-to-start conditions, you may experience a mild backfire or pop in
the intake manifold that will blow one of the hoses or the plug from
the fitting. Once that happens, you have an air leak into the intake,
and the car will run rough, idle poorly, hard to start etc. Some of
the symptoms will diminish as the oxygen sensor warms up.

It's worth a look.


dr bob
'92 XLT with plastic wire ties holding all those hoses to the vacuum
spider. Ask me why...

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Old 11-06-2005, 17:01   #8 (permalink)
carbide@egine.com
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Re: 92 ford explorer


dr bob wrote:
> Under certain hard-to-start conditions, you may experience a mild backfire or pop in
> the intake manifold that will blow one of the hoses or the plug from
> the fitting. Once that happens, you have an air leak into the intake,
> and the car will run rough, idle poorly, hard to start etc.


That could explain the original poster's problem, if it always idles
rough, but not mine, since it only happens once in a while to me.
-Paul

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