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Nov 28, 2010 | 04:41 PM

#61

oggy017

Junior Member

Joined: Aug 2010

Posts: 58

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From: Watertown, NY

Year: 1999

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by goblinish15

there is only a trickle of fuel coming out of the schrader valv on the fuel rail does that mean my feul pump is bad?

not necessarily could be your filter, as said previously check the fuel pressure, that's the best way to see if somethings plugged or not pumping, then go from there.... gl

Nov 28, 2010 | 09:54 PM

#62

goblinish15

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 539

Likes: 0

From: McCall,Idaho

Year: 1991

Model: Cherokee

Engine: 4.0L high output with compressed valves

Quote:

Originally Posted by odgreen89on35s

u really need to get or rent a gauge... but just for ref it should shoot a big rush of fuel if its under pressure.. try the carb clean into the intake. take the air box lid off and shoot a bunch down the tube. go fast and try to start it.if it fires for a short bit its fuel related. check fuses and check back at the tank for a hum of the pump.. if no hum replace pump

i hear the hum............

Nov 28, 2010 | 09:57 PM

#63

goblinish15

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 539

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From: McCall,Idaho

Year: 1991

Model: Cherokee

Engine: 4.0L high output with compressed valves

when i turn the engine over the pressure guage does rise............

Nov 28, 2010 | 10:13 PM

#64

goblinish15

Thread Starter

Senior Member

Joined: Nov 2009

Posts: 539

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From: McCall,Idaho

Year: 1991

Model: Cherokee

Engine: 4.0L high output with compressed valves

i sprayed it into the intake and stillllll nothing!!! so what does that mean?

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