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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Mar 28, 2010 | 05:39 PM
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The fuel pressure port is on the passenger side fuel rail. It's a schrader valve, like what you woulf find on a wheel's valve stem.
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Old Mar 28, 2010 | 05:43 PM
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Originally Posted by AGENT 86
The fuel pressure port is on the passenger side fuel rail. It's a schrader valve, like what you woulf find on a wheel's valve stem.
Im new to this so I need a little more info, I found one up near the radiator. Is this under the hood that I am supposed to be looking for. I jsut dont want to hook it to something that isnt cool. It said there was one for the ac as well.
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Old Mar 28, 2010 | 06:07 PM
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Originally Posted by organcory
Im new to this so I need a little more info, I found one up near the radiator. Is this under the hood that I am supposed to be looking for. I jsut dont want to hook it to something that isnt cool. It said there was one for the ac as well.
OK, finally found it. Looks like it is getting a pressure of 40.
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Old Mar 29, 2010 | 10:16 AM
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That's enough pressure to start engine. Have you checked for spark ?
If there is spark, try starting it with starting fluid, with MAF removed and un-plugged.
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Old Mar 29, 2010 | 10:44 AM
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Originally Posted by AGENT 86
That's enough pressure to start engine. Have you checked for spark ?
If there is spark, try starting it with starting fluid, with MAF removed and un-plugged.
Someone had told me to spray the TB with some carb cleaner and then hook everything back up and try again. I havent tried with the MAF off, didnt know if that was ok or not. I will try that this evening.
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Old Mar 29, 2010 | 12:14 PM
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86's websites are a wealth of info, dig deep there. Sounds like you may have a fuel problem as indicated above. May be your fuel pick up is loose in the tank if you have problems with it when its at an angle like when loading on and off a trailer.

Good luck with it.
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Old Mar 29, 2010 | 04:35 PM
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Originally Posted by organcory
Someone had told me to spray the TB with some carb cleaner and then hook everything back up and try again. I havent tried with the MAF off, didnt know if that was ok or not. I will try that this evening.
I took the MAF Sensor off and it still wouldnt start.
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Old Mar 29, 2010 | 07:26 PM
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Originally Posted by organcory
I took the MAF Sensor off and it still wouldnt start.
Did you check for spark first ?
Did you spray starting fluid into TB, while someone was cranking engine ?
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Old Mar 31, 2010 | 06:55 PM
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Ok, looks like no spark. I tested with a screw driver connected to the plug wire and saw no spark. I tried two different wires.
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Old Apr 1, 2010 | 08:23 AM
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Originally Posted by organcory
Ok, looks like no spark. I tested with a screw driver connected to the plug wire and saw no spark. I tried two different wires.
Time to diagnose the ignition system.
http://members.shaw.ca/corvette86/Ig...System-EST.pdf
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Old Apr 1, 2010 | 09:43 AM
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Do a ohm check on you pickup coil. It is located in the distributor. There are plenty of threads and youtube video on how to replace it. I think I have a detailed thread on here on when I had to do mine.
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