Did it, still doesnt start
03-02-2010, 06:02 PM
#1
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Model: Cherokee
Did it, still doesnt start
87 Jeep Cherokee, 4.0, automatic
Sat for 2 years. Did the following already:
1. Drained fuel
2. Changed Fuel Filter
3. Changed plugs
4. Cleaned rotar and cap
5. Changed plugs
I have plenty of spark to the plugs
I have fuel at the pressure valve on the rail
It starts right up with Startign Fluid
Still will not start on its own, What are the chances that the injectors are ALL clogged? Any ideas?
Sat for 2 years. Did the following already:
1. Drained fuel
2. Changed Fuel Filter
3. Changed plugs
4. Cleaned rotar and cap
5. Changed plugs
I have plenty of spark to the plugs
I have fuel at the pressure valve on the rail
It starts right up with Startign Fluid
Still will not start on its own, What are the chances that the injectors are ALL clogged? Any ideas?
03-02-2010, 06:15 PM
#2
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Location: Shillington, PA
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Year: 1991
Model: Cherokee
Engine: 4.0
87 Jeep Cherokee, 4.0, automatic
Sat for 2 years. Did the following already:
1. Drained fuel
2. Changed Fuel Filter
3. Changed plugs
4. Cleaned rotar and cap
5. Changed plugs
I have plenty of spark to the plugs
I have fuel at the pressure valve on the rail
It starts right up with Startign Fluid
Still will not start on its own, What are the chances that the injectors are ALL clogged? Any ideas?
Sat for 2 years. Did the following already:
1. Drained fuel
2. Changed Fuel Filter
3. Changed plugs
4. Cleaned rotar and cap
5. Changed plugs
I have plenty of spark to the plugs
I have fuel at the pressure valve on the rail
It starts right up with Startign Fluid
Still will not start on its own, What are the chances that the injectors are ALL clogged? Any ideas?
If its starting up with starting fluid, Im gonna guess injectors or fuel pump. Is the pressure your you are getting what is recomended for your vehicle? Low pressure is as bad as no pressure
03-02-2010, 06:42 PM
#3
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Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
Yeah, check the fuel pressure. Could be the rubber lines in the tank have deteriorated/cracked to where they're not delivering the fuel to the lines exiting the tank. It happens.
And Welcome to CF!
Dan
And Welcome to CF!
Dan
Last edited by ol"blue; 03-02-2010 at 06:47 PM.
03-02-2010, 07:08 PM
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Year: 1991
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Engine: 4.0
03-02-2010, 07:39 PM
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03-02-2010, 07:48 PM
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Its one of two things, bad fuel pump or loss of vacuum on the inlet side of the pump so it wont prime. Do a fuel pressure test to determine the condition of the pump. If it passes then look closely at all the lines.
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