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-   -   99 Grand Cherokee Died today... Help (http://www.jeepforum.com/forum/f13/99-grand-cherokee-died-today-help-794221/)

twmart 06-09-2009 11:36 AM

99 Grand Cherokee Died today... Help
 
I am at work right now otherwise I would try to search.
Today my wife calls me to tell me that she was driving down the road and her Grand Cherokee died. After she stopped it started right back up and drove home with no problems. No check engine light or any other issues or signs.

History
Last week we had the 3 month old defective factory mopar fuel pump replaced (about 100 miles on the new one).
Last weekend I had to replace the neg battery terminal the small wire was so loose you could pull it out.
Yesterday I had to replace the Output Speed Sensor (P0720 code). I drove it about 60 miles last new with no issues.

This is has the 4.7L engine.

What should I start checking when I get home tonight? I am not sure where to start.

Thanks
Tom

OH99grand 06-09-2009 11:41 AM

crank or cam position sensor possibly

twmart 06-09-2009 11:59 AM

Quote:

Originally Posted by OH99grand (Post 7375294)
crank or cam position sensor possibly

If that part failed would she be able to start it back up with no issues? Should there be an error code (ie Check Engine Light)?
Oh one thing I did forget about 5 weeks ago she was driving down the road and the car died and as she slowed down to around 10-15 mph the car started back up and she continued home.

Thanks

4jeepers 06-09-2009 12:08 PM

:eek:
Quote:

Originally Posted by twmart (Post 7375382)
If that part failed would she be able to start it back up with no issues? Should there be an error code (ie Check Engine Light)?
Oh one thing I did forget about 5 weeks ago she was driving down the road and the car died and as she slowed down to around 10-15 mph the car started back up and she continued home.

Thanks

:confused: Before you replace any sensors change your fuel filter! You said that you replaced your fuel pump. If some dirt or sludge is floating around your fuel filter it can clog the filter while under pressure and fall away after a stall or restart. This happened to me more than once over the years! :eek:

twmart 06-09-2009 12:23 PM

Quote:

Originally Posted by 4jeepers (Post 7375431)
:eek:

:confused: Before you replace any sensors change your fuel filter! You said that you replaced your fuel pump. If some dirt or sludge is floating around your fuel filter it can clog the filter while under pressure and fall away after a stall or restart. This happened to me more than once over the years! :eek:

When the dealer replaced the fuel pump last week they replaced the filter as well.

twmart 06-09-2009 12:43 PM

Question about part Quality for those that have replaced sensors in the past.
Is there any quality difference between the Mopar factory parts and say any of the following brands?
Napa
Niehoff
BWD
Standard Motors

gatorayde 06-09-2009 01:16 PM

Yes, always go mopar. Kolak@aol.com can get you the mopar sensors cheaper than you could from the dealer. When it comes to sensors, IMO, always go with mopar.

twmart 06-10-2009 01:05 PM

I have the parts in hand and I have my fingers crossed that this will fix our problem.

Thanks for the help
Tom

SouthZJ 06-10-2009 01:12 PM

Did it just died once? or regular?


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