Solved my Random Misfire / 5700 RPM Drop Issue
06-01-2004, 02:43 PM
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Solved my Random Misfire / 5700 RPM Drop Issue My '02 C5 was experiencing random misfires at idle accross all cylinders, and at 5700 rpm to 6200 rpm it was dropping power by about 40 rwhp & torque, after which power returned to up to 6500 rpm.
I had tried doing plugs, wires, injector test & cleaner, cylinder leak down test, you name it.
I'm happy to say that the issue is solved, Per Jayson's advice over at MTI he suggested that I swap valvesprings and it has corrected all of my issues. I just wanted to formally thank them for their help and flexibility with a very tight schedule. I also wanted to post this incase somebody else is experiencing a P0300 random misfire code similar to mine so they might have a direction to turn.
Also, thank you for everyone's advice over in this thread I started
https://ls1tech.com/forums/generation-iii-internal-engine/173289-dyno-problem-5700-rpm.html
-TGK
I had tried doing plugs, wires, injector test & cleaner, cylinder leak down test, you name it.
I'm happy to say that the issue is solved, Per Jayson's advice over at MTI he suggested that I swap valvesprings and it has corrected all of my issues. I just wanted to formally thank them for their help and flexibility with a very tight schedule. I also wanted to post this incase somebody else is experiencing a P0300 random misfire code similar to mine so they might have a direction to turn.
Also, thank you for everyone's advice over in this thread I started
https://ls1tech.com/forums/generation-iii-internal-engine/173289-dyno-problem-5700-rpm.html
-TGK
06-01-2004, 02:53 PM
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Originally Posted by TGKx
My '02 C5 was experiencing random misfires at idle accross all cylinders, and at 5700 rpm to 6200 rpm it was dropping power by about 40 rwhp & torque, after which power returned to up to 6500 rpm.
I had tried doing plugs, wires, injector test & cleaner, cylinder leak down test, you name it.
I'm happy to say that the issue is solved, Per Jayson's advice over at MTI he suggested that I swap valvesprings and it has corrected all of my issues. I just wanted to formally thank them for their help and flexibility with a very tight schedule. I also wanted to post this incase somebody else is experiencing a P0300 random misfire code similar to mine so they might have a direction to turn.
Also, thank you for everyone's advice over in this thread I started
https://ls1tech.com/forums/showthread.php?t=173289
-TGK
I had tried doing plugs, wires, injector test & cleaner, cylinder leak down test, you name it.
I'm happy to say that the issue is solved, Per Jayson's advice over at MTI he suggested that I swap valvesprings and it has corrected all of my issues. I just wanted to formally thank them for their help and flexibility with a very tight schedule. I also wanted to post this incase somebody else is experiencing a P0300 random misfire code similar to mine so they might have a direction to turn.
Also, thank you for everyone's advice over in this thread I started
https://ls1tech.com/forums/showthread.php?t=173289
-TGK
06-01-2004, 02:54 PM
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Originally Posted by Crowley
Which springs did you go from and which springs did you change to?
06-01-2004, 03:12 PM
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Originally Posted by soliari
Rock on, glad to hear you're up and running ... any new dyno numbers???
. No real increases, like 4rwhp and maybe 10rwtq lol from just the spring stuff. I'm looking at doing a c2 or x1 cam in the coming months and picking up some dr's woot!
