Thread: Code 56?
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Old 07-01-2008   #6
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
Default Re: Code 56?

Quote:
Originally Posted by Trizney
Alrighty, found the Vacuum Sensor, it is the one under the ECM. When I unplugged the vacuum line, I heard it release the vacuum. So it is holding vacuum properly.

Anyone had one of these fail?
Code 61 is a port throttle system failure. The ECM sees the voltage on the Differential MAP sensor (the one under the ECM) drop to below .7v. It assumes there isn't enough vacuum to hold secondaries open and shuts secondaries and injectors down. Check vacuum pump and under plenum for leaks. Sorry!
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