Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

HELP - Code 26, Code 77

Old Mar 22, 2007 | 05:24 PM
  #1  
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HELP - Code 26, Code 77

Alright, engine light is on, I rescanned car today after I replaced my bad o2 sensors, no 02 sensor code.
But still have Code 26 - CCP Electrical Fault. Looked this code up and it says: EVAP Purge control solenoid circuit. Can I program the EVAP out of the ECM with Tunercat? Will this affect anything on the car?
Also have Code 77 - Fan 1, we had that code earlier, swapped fan relays with another used one we had laying around and code disappeared and didn't come on during a 15 min drive. Took car for another drive now code is back, what is causing the relay to cook?

Thanks,
Trevor
Old Mar 24, 2007 | 01:51 AM
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Code 77

I get this code b/c i have a Jet fan switch installed thus i just ignore it.I,m getting my pcm tuned and i won,t need the fan switch anymore and as for code,erasing it.
Old Mar 24, 2007 | 02:07 PM
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Originally Posted by I8ASTNG
Code 26 - CCP Electrical Fault. Looked this code up and it says: EVAP Purge control solenoid circuit. Can I program the EVAP out of the ECM with Tunercat? Will this affect anything on the car?
Why not just fix the problem? The EVAP system helps keep the rear of the car from stinking of vented fuel, and allows you to use the fuel vapor collected by the system to power the engine. The code sets when there's a fault in the electrical circuit to the EVAP purge solenoid on the bracket on the passenger side of the intake manifold. Very easy to check and repair. Could be a fuse, could be the solenoid, could be the wiring or harness connector.
Old Mar 24, 2007 | 02:42 PM
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Problem fixed, turned out the 10amp fuse for FAN was blown, I changed that fuse, cleared all the codes, and nothing has come up so far, no fan code, no evap codes, nice and clean!
Old Apr 27, 2007 | 09:21 PM
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I have those same exact codes. I will check them before going to dragstrip tommorrow.
Thanks
Old Apr 28, 2007 | 08:23 AM
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I keep blowing the 10 amp fuse.
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