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need help dtc's

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Old Aug 15, 2012 | 02:02 PM
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Exclamation need help dtc's

bought a truck that I did not need and can not get it going has 3 dtc's p0460,p0603,p1280. ecm is good idm is good has good hpo and new gp relay, tried different ipc no better just lost that code. has ran on carb. cleaner for approx. 1/2 min since i got it. when starting there is no smoke or anything coming out of the exhaust and i figured that if it ran 1/2 min by a can then the injectors should havew been bled off. also has good fuel press? anyone that might have some ideas.....
 
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Old Aug 15, 2012 | 03:29 PM
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Nope but here is a bump
 
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Old Aug 15, 2012 | 03:50 PM
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1/2 a minute is a long time...
Are you sure your fuel pump is working? How are you checking the fuel pressure?
 
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Old Aug 15, 2012 | 07:33 PM
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How did you determine all the items you listed are good? No smoke while cranking means the injectors are not trying to fire. This is often an electrical issue. Do you have a WTS light that shuts off after a few seconds? Is there a chip in the truck? Aftermarket alarm?
 
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Old Aug 16, 2012 | 05:25 PM
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need help

the truck has no alarm,no chip,gauge for test fuel press. screwed in back of bowl, and I have two other trucks that i have swapped parts between to verify that they are good.all the elec. out of the 02 have started and ran either a 99 ext. cab 6spd / or the 00 crew cab 4r. i guess that it may just be the injectors because there is no smoke and i done another buzz test last night and it seems to be awful quite when they buzz
 
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Old Aug 16, 2012 | 07:33 PM
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Pull the valve covers and see if the injectors are spitting any oil while cranking out of the discharge port.
 
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Old Aug 16, 2012 | 08:17 PM
  #7  
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Originally Posted by spot05
the truck has no alarm,no chip,gauge for test fuel press. screwed in back of bowl, and I have two other trucks that i have swapped parts between to verify that they are good.all the elec. out of the 02 have started and ran either a 99 ext. cab 6spd / or the 00 crew cab 4r. i guess that it may just be the injectors because there is no smoke and i done another buzz test last night and it seems to be awful quite when they buzz
Have you swapped the IDM. Sorry if you already answered.
 
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Old Aug 16, 2012 | 08:43 PM
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Subcribing, sounds like wiring. How did you measure HPOP?

Chet
 
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