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1990 Cherokee hard to crank



 
 
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  #1  
Old October 19th 04, 10:59 PM
Jeff Falkiner
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Default 1990 Cherokee hard to crank

A good buddy recently bought a 1990 Cherokee Limited with the inline 6.
Every time he tries to start it after it's sat for awhile it takes a looong
time to finally fire. Time is 8-10 seconds. With winter coming, he's
concerned with keeping enough battery capacity available on cold Canadian
winter mornings.

Any quick things we should check out over a couple of Canadian beers? The
truck has just over 50K miles and is otherwise in fantastic shape.

Jeff Falkiner
Ontario, Canada


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  #2  
Old October 20th 04, 01:14 AM
Daniel J. Stern
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On Tue, 19 Oct 2004, Jeff Falkiner wrote:

> A good buddy recently bought a 1990 Cherokee Limited with the inline 6.
> Every time he tries to start it after it's sat for awhile it takes a
> looong time to finally fire. Time is 8-10 seconds. With winter coming,
> he's concerned with keeping enough battery capacity available on cold
> Canadian winter mornings. Any quick things we should check out over a
> couple of Canadian beers? The truck has just over 50K miles and is
> otherwise in fantastic shape.


Check to see that the fuel system remains pressurised after a long
shutdown.
  #3  
Old October 20th 04, 01:14 AM
Daniel J. Stern
external usenet poster
 
Posts: n/a
Default

On Tue, 19 Oct 2004, Jeff Falkiner wrote:

> A good buddy recently bought a 1990 Cherokee Limited with the inline 6.
> Every time he tries to start it after it's sat for awhile it takes a
> looong time to finally fire. Time is 8-10 seconds. With winter coming,
> he's concerned with keeping enough battery capacity available on cold
> Canadian winter mornings. Any quick things we should check out over a
> couple of Canadian beers? The truck has just over 50K miles and is
> otherwise in fantastic shape.


Check to see that the fuel system remains pressurised after a long
shutdown.
  #4  
Old October 22nd 04, 04:36 AM
Jeff Falkiner
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Posts: n/a
Default


"Daniel J. Stern" > wrote in message
. umich.edu...
> On Tue, 19 Oct 2004, Jeff Falkiner wrote:
>
> > A good buddy recently bought a 1990 Cherokee Limited with the inline 6.
> > Every time he tries to start it after it's sat for awhile it takes a
> > looong time to finally fire. Time is 8-10 seconds. With winter coming,
> > he's concerned with keeping enough battery capacity available on cold
> > Canadian winter mornings. Any quick things we should check out over a
> > couple of Canadian beers? The truck has just over 50K miles and is
> > otherwise in fantastic shape.

>
> Check to see that the fuel system remains pressurised after a long
> shutdown.


Makes a lot of sense to me. Now, I've never owned a Jeep 4.0 litre, so can
anyone elighten me as to how the fuel system on that engine is set up? What
are the main areas I need to troubleshoot? I'm assuming that there is a
potentially faulty fuel pressure regulator/fuel pump/return valve I should
be looking for?

Thanks for any help.

Jeff Falkiner


  #5  
Old October 22nd 04, 04:36 AM
Jeff Falkiner
external usenet poster
 
Posts: n/a
Default


"Daniel J. Stern" > wrote in message
. umich.edu...
> On Tue, 19 Oct 2004, Jeff Falkiner wrote:
>
> > A good buddy recently bought a 1990 Cherokee Limited with the inline 6.
> > Every time he tries to start it after it's sat for awhile it takes a
> > looong time to finally fire. Time is 8-10 seconds. With winter coming,
> > he's concerned with keeping enough battery capacity available on cold
> > Canadian winter mornings. Any quick things we should check out over a
> > couple of Canadian beers? The truck has just over 50K miles and is
> > otherwise in fantastic shape.

>
> Check to see that the fuel system remains pressurised after a long
> shutdown.


Makes a lot of sense to me. Now, I've never owned a Jeep 4.0 litre, so can
anyone elighten me as to how the fuel system on that engine is set up? What
are the main areas I need to troubleshoot? I'm assuming that there is a
potentially faulty fuel pressure regulator/fuel pump/return valve I should
be looking for?

Thanks for any help.

Jeff Falkiner


 




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