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I have a 2003 civic lx that has the D17A1 engine (non vtec) but I'm getting the VTEC SYSTEM B1 FAILURE error code. How is this possible with a non VTEC engine? What can I do about it since my engine does not have the solenoid nor the VVT pressure switch?

 
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I have a 2003 civic lx with a non vtec engine d17a1. I'm getting the p1259 error code. How is this possible with a non vtec engine? I just bought the car! How can I resolve this?

 
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You bought someone elses problems.

Check the VIN in a parts catalog to see if it truly is an LX (or post/PM and I can check)
Where is the cat located?
Check the PCM part number to see what it is for (Obvious it's for an EX/D17A2, but is the rest of the car wrong or did someone just do a cheap engine swap?)

 
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or put an EX ECU in there. They had 13 years to do stuff in the car

 
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I did some checking via the VIN. My car is indeed an EX. So that explains the reason for the mismatch. looks like a cheap engine swap. Now on to the more serious question. The car runs great, no issue except for the CEL being on for the VTEC pressure switch. I have read various forums about people bypassing the switch to get rid of the fault code. Thoughts? anybody know how this is done?

 
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Maybe you could read what those forums say?

 
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Thanks for the help

 
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If you find a how-to that works, you might post the links or info here so others can benefit from your workaround.
Thanks.

 
Rep Power: 366

or you could get an ECU from junkyard and try. However, your keys will not work until you reprogram them