help with p28 error codes

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Old Mar 16, 2010 | 01:07 PM
  #1  
kingcu90's Avatar
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From: monte
Default help with p28 error codes

my 91 ef has a d16z6 singlecam vtec and my cel is on it marks at first 2 solides then two quick ones, then pause and 4 solides and one quik flash i dont know what it means can someone help me please >...............

_ _ . . pause _ _ _ _ . hope that helps u , to help me out
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Old Mar 16, 2010 | 01:12 PM
  #2  
4drEF's Avatar
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From: Granada Hills, Ca, USA
Default Re: help with p28 error codes

Long blinks are '10' each. Short are '1' each.

Code 22 Variable Valve Timing and control pressure switch
Code 41 Oxygen sensor


How is the ECU wired in?
It's possible that the wiring is mixed up.
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Old Mar 20, 2010 | 04:37 PM
  #3  
kingcu90's Avatar
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From: monte
Default Re: help with p28 error codes

oh i hope the wires are not mixed up because i paid a shop to fix my wires and install the p28 in the first place ill call the guy back and find out whats wrong ......thanks for your help >..........
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