Injector problems - - 5th Generation Camaro Enthusiasts
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post #1 of 3 Old 01-25-2010, 01:10 PM Thread Starter
Join Date: Jan 2010
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Injector problems

I have a 96 Camaro RS with a 3.8 engine. I just replaced the heads to my car. I put everything back together and now the injectors wont open. I unhook the fuel lines and turn the car over to see is gas pumping in which it is. The car do start up when spraying starter fluid in the intake, but shuts right off as soon as I stop spraying. I check the spark, and it have spark. The fuel rails do have gas in it when I push the little button in to release gas. So it all leads to the injectors. Is it possible my compter went ou and im not recievig a ground to the injectors. Im pretty sure they not clogged. I double checked all the wires and made sure they were connected. What else could be the problem? I dont want to by a computer if thats not the problem. All fuses are good.
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post #2 of 3 Old 01-25-2010, 01:24 PM
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There are numerous problems that affect injector operation. Go here:

You may have already checked this site out but it covers the problem from the fuel pump all the way to the injectors, plus electrical testing. I would bet electrical problem or PCM problem. Good luck my friend.

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post #3 of 3 Old 01-28-2010, 07:22 PM
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Are you sure the wiring has been reinstalled correctly. Do you have the injector harness on correctly, no crossed wiring? Are the ground strapes on the back of the head in place and clean and tight? Do you have good fuel pressure? Just looking at the fuel lines and seeing fuel flow out of them is not good enough. You should have 48-55 psi. Hook up a gage and check it. If your fuel pressure checks good, find some noid lights and check the wiring to the injectors. The light should flash each time the PCM fires the injector. If the car was running fine before the repairs, most likly something was overlooked during the repairs. Recheck your work first before jumping to other things.

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