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Thread: jimmy starting issue
07-18-2009, 07:01 PM #1
jimmy starting issue
just picked up a 99 jimmy 4.3 vortec. u turn the key it turns on and cut right out. if u spraystuff down the throttle body it stays running until u stop. the fuel pump does come on and the gauge reads fuel.any ideas????
07-18-2009, 09:03 PM #2Jim
2004 SILVERADO 2500HD LS
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285-75-16 Cooper ST All Terrains
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1967 Landcruiser <350 Chevy>
1990 Geo Metro Convertible
2007 FJ Cruiser
07-18-2009, 11:14 PM #3
Have your codes checked and see if any trouble codes pop up. If nothing pops up, I'd do as jim suggested and check your fuel pressure.1997 Chevy Silverado 1500 210K miles:
350 Vortec/4L60E, 3.42 posi, Underdrive crank pulley, K&N filter, Superchips power programmer, mallory coil, true dual exhaust, torque swirl TB spacer, and more!
1991 Pontiac Trans Am GTA- L98 Superram
1992 Subaru SVX LS-L- Way too many mods to list!
07-18-2009, 11:16 PM #4
If you are spraying starting fluid into the throttle body and this gets it to respond and it does not otherwise, then this is a fuel system problem.
Complete fuel system service and testing...
http://www.asashop.org/autoinc/june98/techtotech.htm92 GMC Sierra 2500
07-20-2009, 08:53 PM #5
ok so the fuel pressure is 25... max.. that seems really low anyone know what its supposed to be??
07-20-2009, 09:03 PM #6
Its supposed to be around 60 I believe. Change the fuel filter, then regulator, then pump, or what in a least expensive to most expensive pattern.2010 Equinox LT
2.4, 6 speed auto, power lift gate, remote start, bluetooth, xm.
1995 Cheyenne C1500 ext. cab(my baby, my first truck)
5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors
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