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04-15-2008, 04:49 PM
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#1
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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86 TPI HELP PLEASE
Ok so as some may know i swapped my monte carlo ss over to tpi last year now last weekend i believed i ran the car out of gas and it would not restart
after a few hours of not starting, i decided the fuel pump must be clogged, so that has been replaced
car still did not start
i bought a fuel pressure test kit from the parts store and i cant get a reading from the schraeder valve. i have checked the injectors they are getting 12 volts.
i was pointed in the direction that there may be air in the lines, so i depressed the schraeder valve to release the air, and fuel came out, but certainly not 38 psi of fuel, more like a trickle.
i also have tried starting the car without the inline filter in place to be sure that wasnt clogging me up.
i am lost and losing my patience
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-15-2008, 05:05 PM
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#2
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Join Date: Jan 2007
Posts: 5,623
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did you change the fuel filter?
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
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04-15-2008, 05:08 PM
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#3
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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yes and the sock filter and the fuel pump and the cap and rotor and the wires and plugs and drained the tank cleaned it and put fresh gas into it.
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-15-2008, 05:31 PM
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#4
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Join Date: Jan 2007
Posts: 5,623
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do you have full voltage to the pump
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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04-15-2008, 05:34 PM
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#5
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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yep i also tested every fuse, they are all good. still not enough fuel pressure. could it be the regulator?
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-15-2008, 05:37 PM
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#6
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Join Date: Jan 2007
Posts: 5,623
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Quote:
Originally Posted by nj85z28
yep i also tested every fuse, they are all good. still not enough fuel pressure. could it be the regulator?
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yes....take the vacuum line off and see if it has more pressure
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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04-15-2008, 05:53 PM
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#7
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by bubba428
yes....take the vacuum line off and see if it has more pressure
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I'm not sure if that will work.
Maybe, use a pair of vice grips wrapped in a heavy rag and squeeze off the return line and then run it
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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04-16-2008, 09:34 AM
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#8
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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Did you remove the shrader valve before hooking up the gauge? Some of the gauges require it removed?
Other things to look at, disconnect the fuel line from the fuel rail, be careful and have someone put the key to the on position, maybe the FP regulator went bad and your just not building enough pressure. is the fuel pump intank or external? If external, maybe the filter/sox in the tank collaped or just clogged? Could have sucked any crud in the bottom of the tank and clogged it?
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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04-16-2008, 04:26 PM
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#9
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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the pump is brand new, internal. it was replaced when this issue was first discovered so i know theres nothing clogging that
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-16-2008, 04:30 PM
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#10
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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Can you hear the pump prime when you first turn the key? Did you check if there was power going to the pump? Did you Check the Fuel pump relay? Just a few thoughts.
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04-17-2008, 06:22 PM
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#11
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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yes the fuel pump is working and only 3 days old.
i did locate a possible cause, a broken fuel line. i have replaced it yet the car still wont start. still havent gotten much from the schrader valve
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-19-2008, 10:25 PM
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#12
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Join Date: Feb 2005
Location: Little Egg Harbor NJ
Posts: 1,175
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Problem solved, apparantly i blew apart the line connecting the fuel pump to the steel line inside the tank. the line was split so it couldnt build pressue. dont know how i missed it when i changed the pump, but the car is running great
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2011 Camaro 1SS Cyber Grey Metallic
2005 Silverado
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04-19-2008, 10:54 PM
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#13
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Glad to hear!
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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