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Old 06-08-2014   #49
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
Default Re: Help! Unable to rev past 5000

So it worked fine w Marc's cal changes but then it didn't. correct? You get a code if you don't let off because the ECM doesn't set a code unless the malfunction occurs for longer than 2sec. You're sure you are not getting a Code 64 or 44?
Cam sensor error is a Code 17


Quote:
Originally Posted by chriskinzel View Post
I have a problem that has me stumped (not hard to do). I am unable to get the car above 5k. When it get close to that rpm it starts missing really badly. If I try to push past it I will get the camshaft sensor error, and the tach bounces from 4500 down to around 2000. This winter I removed the secondaries and installed Marc's chip. It runs great up to about 5000. I installed new fuel injectors last summer and it ran fine with those. I have installed a fuel preassure gauge. I have 42 psi on startup, and 50-51 psi at 5000 rpm. I have put on new Accel coils, new Delco spark plug wires, new spark plugs. Marc send me a spark controller and the problem is still there. I also have installed a new cam shaft sensor, but I only get the code when I don't let off when it starts missing. I have no codes being set.

I need more help from you smart people.

Thanks in advance
Chris
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