69 Camaro LS2 cranks but wont start...
04-08-2013, 07:48 AM
#1
69 Camaro LS2 cranks but wont start... Hello, dont know if this belongs in this forum but if not a mod can move it. Im working on a 69 Camaro that has a Ls2 402. Trying to start the car for the first time but wont fire. The first time I tried to crank the car over it popped out the exhaust a couple times and that's it. Now I can crank it and it does absolutely nothing, just turns over.
Im using a 2000 firebird ECM along with a Speartech harness. I have a 24x reluctor along with the black crank sensor and a 1x cam gear. The car has a base SD tune using a 2.5 bar MAP that I got from Speed Inc just to fire the car up. Im have the Semeins EV6 High impedience 80lb injectors. There is 1 ground off the speartech harness and it is to the back head.
Here is what I know. I have fuel pressure to my regulator(65psi) and when I pulled a few plugs they still look brand new but are a little wet with no signs of ignition. I pulled a few spark plug boots and believe there is spark with a spark pencil. All the fuses look good in my harness. Im pretty sure it has air, fuel, and spark that's all the engine needs. Why wont it even ATTEMP to fire?
All I can think of is Speed inc did not remove VATS from the ECM when they did the tune. Is there something wrong with my crank sensor or cam sensor? Do I have a weak ground? Im using LS2 coils, are they not compatible with my harness?
The car does not try to fire at all, and that leads me to think I have a spark issue. Any help or other ideas will be greatly appreciated!
Thanks!
Im using a 2000 firebird ECM along with a Speartech harness. I have a 24x reluctor along with the black crank sensor and a 1x cam gear. The car has a base SD tune using a 2.5 bar MAP that I got from Speed Inc just to fire the car up. Im have the Semeins EV6 High impedience 80lb injectors. There is 1 ground off the speartech harness and it is to the back head.
Here is what I know. I have fuel pressure to my regulator(65psi) and when I pulled a few plugs they still look brand new but are a little wet with no signs of ignition. I pulled a few spark plug boots and believe there is spark with a spark pencil. All the fuses look good in my harness. Im pretty sure it has air, fuel, and spark that's all the engine needs. Why wont it even ATTEMP to fire?
All I can think of is Speed inc did not remove VATS from the ECM when they did the tune. Is there something wrong with my crank sensor or cam sensor? Do I have a weak ground? Im using LS2 coils, are they not compatible with my harness?
The car does not try to fire at all, and that leads me to think I have a spark issue. Any help or other ideas will be greatly appreciated!
Thanks!
