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#1
04-04-2008, 11:51 AM
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no fuel
the injectors aren't pumping i need to know how to check the E.C.M. or the injectors on the T.B.I. I got fuel pressure so it's not the pump .Ineed to know which one to buy
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#2
04-04-2008, 01:53 PM
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Re: no fuel
A faulty ignition module or pick-up coil can cause the injectors not to fire. Some auto part stores will test the ignition module for free.
//2000CAYukon
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#3
04-04-2008, 02:46 PM
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Re: no fuel
Year and engine?
Some older TBI are fused on the injector circuit. Got good hot blue spark to all plugs?
__________________
Remember proper testing gives us the answer to many problems. MT
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#4
04-22-2008, 02:35 PM
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Re: no fuel
You can see if the ECM is getting getting a pulse to the injectors by using a volt tester, unplugging the fuel injector wire harness find the ground wire there are two of them one for 2,4,6,9 and one for 1,3,5,7. Hook up the volt tester and crank the vehicle the light in the tester will flash off and on , then you will know if you are getting a signal from the ecm. I just went through this and found out it was my timing being off. Good luck
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