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-   -   93 Grand Cherokee-Won't Start in Cold (https://www.jeepscanada.com/jeep-mailing-list-32/93-grand-cherokee-wont-start-cold-8407/)

D 12-05-2003 08:42 PM

Re: 93 Grand Cherokee-Won't Start in Cold
 

"DougW" <post.replies@invalid.address> wrote in message
news:L_7Ab.27351$Gj2.567@okepread01...
> D did pass the time by typing:
> > Doug,
> > Aw, I was just dreamin' on the supercharger anyway. Many years past

that.
> > Thanks for the help, again, and here's an update,
> > I threw an old moving blanket over the engine compartment last night. I
> > really don't know if it had anything to do with it, but the old lady

started
> > on the 4th revolution, smoothly idling and behaving well.
> > The leak-down test intrigues me and I'm going out to do that now.

Through
> > this and some other problems I've had with her, fuel supply has always

been
> > my suspicion, over spark. I know many things can affect the supply.
> > Used to have an Audi 5000 Turbo. It had a closed fuel management system

and
> > several problems I had with it kind of echo what I'm experiencing.
> > Anyway, not out of the woods yet, but getting there.
> > Thanks to yours and others help.

>
> You might want to throw a bottle of O2 sensor safe fuel system cleaner

with
> water dispersion ability in there. (gunk makes one and there are several

others)
> That will suck up the water and help keep ice away.
>
> --
> DougW
>
>

I'll get some of that tomorrow, first thing Doug.
Doing the leak-down test, everything seemed normal. Ignition on and pressure
jumped up to just below 30psi. Started up and held just above 30. Revved up
a little and it jumped to maybe 35 and then back to 32 or so. Shut down and
it stayed at about 28 for a long time. Reason I'm having so many 'abouts' is
the reading is on the low end of the meter and can't tell the exact reading.
So, I'll Gunk her tomorrow and we'll see where it goes.
You all have been awfully patient with me and I appreciate it. When I get
back in with results later, I'll post new since this thread is getting
awfully long. That's the proper thing to do right?
Thanks
Denny



DougW 12-05-2003 09:04 PM

Re: 93 Grand Cherokee-Won't Start in Cold
 
D did pass the time by typing:

> Doing the leak-down test, everything seemed normal. Ignition on and pressure
> jumped up to just below 30psi. Started up and held just above 30. Revved up
> a little and it jumped to maybe 35 and then back to 32 or so. Shut down and
> it stayed at about 28 for a long time. Reason I'm having so many 'abouts' is
> the reading is on the low end of the meter and can't tell the exact reading.


That's fine. Usually if the pump is shot you won't even get 20psi and if
it's going to leakdown the fall is noticeable. Sounds like your fuel system
is good. Just another thought, how old is your fuel filter?

> So, I'll Gunk her tomorrow and we'll see where it goes.


It's best to put additives in just before filling the tank.
Take a long screwdriver with you. Use it to hold open the
filler door so the additive doesn't splash all over the place.

> You all have been awfully patient with me and I appreciate it. When I get
> back in with results later, I'll post new since this thread is getting
> awfully long. That's the proper thing to do right?


Doesn't matter to me. Not sure what the max thread depth is for OE
but going by other groups we're not even close.

--
DougW




DougW 12-05-2003 09:04 PM

Re: 93 Grand Cherokee-Won't Start in Cold
 
D did pass the time by typing:

> Doing the leak-down test, everything seemed normal. Ignition on and pressure
> jumped up to just below 30psi. Started up and held just above 30. Revved up
> a little and it jumped to maybe 35 and then back to 32 or so. Shut down and
> it stayed at about 28 for a long time. Reason I'm having so many 'abouts' is
> the reading is on the low end of the meter and can't tell the exact reading.


That's fine. Usually if the pump is shot you won't even get 20psi and if
it's going to leakdown the fall is noticeable. Sounds like your fuel system
is good. Just another thought, how old is your fuel filter?

> So, I'll Gunk her tomorrow and we'll see where it goes.


It's best to put additives in just before filling the tank.
Take a long screwdriver with you. Use it to hold open the
filler door so the additive doesn't splash all over the place.

> You all have been awfully patient with me and I appreciate it. When I get
> back in with results later, I'll post new since this thread is getting
> awfully long. That's the proper thing to do right?


Doesn't matter to me. Not sure what the max thread depth is for OE
but going by other groups we're not even close.

--
DougW




DougW 12-05-2003 09:04 PM

Re: 93 Grand Cherokee-Won't Start in Cold
 
D did pass the time by typing:

> Doing the leak-down test, everything seemed normal. Ignition on and pressure
> jumped up to just below 30psi. Started up and held just above 30. Revved up
> a little and it jumped to maybe 35 and then back to 32 or so. Shut down and
> it stayed at about 28 for a long time. Reason I'm having so many 'abouts' is
> the reading is on the low end of the meter and can't tell the exact reading.


That's fine. Usually if the pump is shot you won't even get 20psi and if
it's going to leakdown the fall is noticeable. Sounds like your fuel system
is good. Just another thought, how old is your fuel filter?

> So, I'll Gunk her tomorrow and we'll see where it goes.


It's best to put additives in just before filling the tank.
Take a long screwdriver with you. Use it to hold open the
filler door so the additive doesn't splash all over the place.

> You all have been awfully patient with me and I appreciate it. When I get
> back in with results later, I'll post new since this thread is getting
> awfully long. That's the proper thing to do right?


Doesn't matter to me. Not sure what the max thread depth is for OE
but going by other groups we're not even close.

--
DougW




Dave in Columbus 12-06-2003 12:10 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
On Fri, 5 Dec 2003 12:30:01 -0600, "D" <dpfer@r.com> wrote:

>Doug,
>Aw, I was just dreamin' on the supercharger anyway. Many years past that.
>Thanks for the help, again, and here's an update,
>I threw an old moving blanket over the engine compartment last night. I
>really don't know if it had anything to do with it, but the old lady started
>on the 4th revolution, smoothly idling and behaving well.
>The leak-down test intrigues me and I'm going out to do that now. Through
>this and some other problems I've had with her, fuel supply has always been
>my suspicion, over spark. I know many things can affect the supply.
>Used to have an Audi 5000 Turbo. It had a closed fuel management system and
>several problems I had with it kind of echo what I'm experiencing.
>Anyway, not out of the woods yet, but getting there.
>Thanks to yours and others help.
>Denny
>

<snip>

My Audi 5000T was very tempermential about starting. In cold weather,
if it didn't start right away it would flood. I got pretty good at
jumping out and pulling the Fuel Pump relay, jump back in, crank it to
clear the cylinders, jump back out, put the fuel pump relay back in
and start it up. A real PITA Finally got the Fuel Injection system
adjusted correctly and then it started fine.

Then an idiot made a left turn right in front of my daughter and that
was that for the Audi.



Dave in Columbus 12-06-2003 12:10 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
On Fri, 5 Dec 2003 12:30:01 -0600, "D" <dpfer@r.com> wrote:

>Doug,
>Aw, I was just dreamin' on the supercharger anyway. Many years past that.
>Thanks for the help, again, and here's an update,
>I threw an old moving blanket over the engine compartment last night. I
>really don't know if it had anything to do with it, but the old lady started
>on the 4th revolution, smoothly idling and behaving well.
>The leak-down test intrigues me and I'm going out to do that now. Through
>this and some other problems I've had with her, fuel supply has always been
>my suspicion, over spark. I know many things can affect the supply.
>Used to have an Audi 5000 Turbo. It had a closed fuel management system and
>several problems I had with it kind of echo what I'm experiencing.
>Anyway, not out of the woods yet, but getting there.
>Thanks to yours and others help.
>Denny
>

<snip>

My Audi 5000T was very tempermential about starting. In cold weather,
if it didn't start right away it would flood. I got pretty good at
jumping out and pulling the Fuel Pump relay, jump back in, crank it to
clear the cylinders, jump back out, put the fuel pump relay back in
and start it up. A real PITA Finally got the Fuel Injection system
adjusted correctly and then it started fine.

Then an idiot made a left turn right in front of my daughter and that
was that for the Audi.



Dave in Columbus 12-06-2003 12:10 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
On Fri, 5 Dec 2003 12:30:01 -0600, "D" <dpfer@r.com> wrote:

>Doug,
>Aw, I was just dreamin' on the supercharger anyway. Many years past that.
>Thanks for the help, again, and here's an update,
>I threw an old moving blanket over the engine compartment last night. I
>really don't know if it had anything to do with it, but the old lady started
>on the 4th revolution, smoothly idling and behaving well.
>The leak-down test intrigues me and I'm going out to do that now. Through
>this and some other problems I've had with her, fuel supply has always been
>my suspicion, over spark. I know many things can affect the supply.
>Used to have an Audi 5000 Turbo. It had a closed fuel management system and
>several problems I had with it kind of echo what I'm experiencing.
>Anyway, not out of the woods yet, but getting there.
>Thanks to yours and others help.
>Denny
>

<snip>

My Audi 5000T was very tempermential about starting. In cold weather,
if it didn't start right away it would flood. I got pretty good at
jumping out and pulling the Fuel Pump relay, jump back in, crank it to
clear the cylinders, jump back out, put the fuel pump relay back in
and start it up. A real PITA Finally got the Fuel Injection system
adjusted correctly and then it started fine.

Then an idiot made a left turn right in front of my daughter and that
was that for the Audi.



D 12-06-2003 12:27 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
I changed the fuel filter last year when I was having some other problems.
Saw it seemed pretty easy to do, so while I was under there I did it
thinking she was getting pretty long in the legs.


"DougW" <post.replies@invalid.address> wrote in message
news:OOaAb.27416$Gj2.18364@okepread01...
> D did pass the time by typing:
>
> > Doing the leak-down test, everything seemed normal. Ignition on and

pressure
> > jumped up to just below 30psi. Started up and held just above 30. Revved

up
> > a little and it jumped to maybe 35 and then back to 32 or so. Shut down

and
> > it stayed at about 28 for a long time. Reason I'm having so many

'abouts' is
> > the reading is on the low end of the meter and can't tell the exact

reading.
>
> That's fine. Usually if the pump is shot you won't even get 20psi and if
> it's going to leakdown the fall is noticeable. Sounds like your fuel

system
> is good. Just another thought, how old is your fuel filter?
>
> > So, I'll Gunk her tomorrow and we'll see where it goes.

>
> It's best to put additives in just before filling the tank.
> Take a long screwdriver with you. Use it to hold open the
> filler door so the additive doesn't splash all over the place.
>
> > You all have been awfully patient with me and I appreciate it. When I

get
> > back in with results later, I'll post new since this thread is getting
> > awfully long. That's the proper thing to do right?

>
> Doesn't matter to me. Not sure what the max thread depth is for OE
> but going by other groups we're not even close.
>
> --
> DougW
>
>
>




D 12-06-2003 12:27 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
I changed the fuel filter last year when I was having some other problems.
Saw it seemed pretty easy to do, so while I was under there I did it
thinking she was getting pretty long in the legs.


"DougW" <post.replies@invalid.address> wrote in message
news:OOaAb.27416$Gj2.18364@okepread01...
> D did pass the time by typing:
>
> > Doing the leak-down test, everything seemed normal. Ignition on and

pressure
> > jumped up to just below 30psi. Started up and held just above 30. Revved

up
> > a little and it jumped to maybe 35 and then back to 32 or so. Shut down

and
> > it stayed at about 28 for a long time. Reason I'm having so many

'abouts' is
> > the reading is on the low end of the meter and can't tell the exact

reading.
>
> That's fine. Usually if the pump is shot you won't even get 20psi and if
> it's going to leakdown the fall is noticeable. Sounds like your fuel

system
> is good. Just another thought, how old is your fuel filter?
>
> > So, I'll Gunk her tomorrow and we'll see where it goes.

>
> It's best to put additives in just before filling the tank.
> Take a long screwdriver with you. Use it to hold open the
> filler door so the additive doesn't splash all over the place.
>
> > You all have been awfully patient with me and I appreciate it. When I

get
> > back in with results later, I'll post new since this thread is getting
> > awfully long. That's the proper thing to do right?

>
> Doesn't matter to me. Not sure what the max thread depth is for OE
> but going by other groups we're not even close.
>
> --
> DougW
>
>
>




D 12-06-2003 12:27 AM

Re: 93 Grand Cherokee-Won't Start in Cold
 
I changed the fuel filter last year when I was having some other problems.
Saw it seemed pretty easy to do, so while I was under there I did it
thinking she was getting pretty long in the legs.


"DougW" <post.replies@invalid.address> wrote in message
news:OOaAb.27416$Gj2.18364@okepread01...
> D did pass the time by typing:
>
> > Doing the leak-down test, everything seemed normal. Ignition on and

pressure
> > jumped up to just below 30psi. Started up and held just above 30. Revved

up
> > a little and it jumped to maybe 35 and then back to 32 or so. Shut down

and
> > it stayed at about 28 for a long time. Reason I'm having so many

'abouts' is
> > the reading is on the low end of the meter and can't tell the exact

reading.
>
> That's fine. Usually if the pump is shot you won't even get 20psi and if
> it's going to leakdown the fall is noticeable. Sounds like your fuel

system
> is good. Just another thought, how old is your fuel filter?
>
> > So, I'll Gunk her tomorrow and we'll see where it goes.

>
> It's best to put additives in just before filling the tank.
> Take a long screwdriver with you. Use it to hold open the
> filler door so the additive doesn't splash all over the place.
>
> > You all have been awfully patient with me and I appreciate it. When I

get
> > back in with results later, I'll post new since this thread is getting
> > awfully long. That's the proper thing to do right?

>
> Doesn't matter to me. Not sure what the max thread depth is for OE
> but going by other groups we're not even close.
>
> --
> DougW
>
>
>





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