mystery engine light

[wa navigator]

Hello all,
I have a recurring orange engine light on my 2007 D40. It recurs aprroximately 12 hours ish after I reset by disconnecting neg battery lead. I had the code fault read by a service company and the read out listed no fault codes.
The fault started occurring aprox two weeks after I installed a chipit DPF bypass pipe and a EGR blank plate, (I still have crap fuel economy).
I would think it is the DPF bypass, but the fault code not listing has me baffled. Any clues out there in Navara world.

 

[tweak'e]

i would get the codes yourself. should be a procedure around here somewhere.

 

[Old.Tony]

The code is important if it's not an intermittent problem. It will give you an idea of where to start looking for a solution.

Based on your description, I'd say you've installed a DPF Delete pipe and it's possible that your DPF wants to regenerate but can't - but you should be seeing the DPF light come on if that's the case. It's possible that the problem is elsewhere.

Don't worry about the EGR blanking plate. You'll get a warning light if you unplug the EGR valve, but the blanking plate in your car won't cause it any grief.

 

[wa navigator]

Thanks

Thanks for that, I'll se if I can get a reliable read of the fault codes. I have since had a read done again, yesterday afternoon and still no fault recorded?

 

[Old.Tony]

This is where being able to do it yourself pays really well. A $20 bluetooth OBD adapter (ELM327-compliant) and a free Android app and you'll have that answer.

Tell us a little more about the problem, in the meantime. Do you see smoke, what colour, is there any squealing noise present? Are you using a genuine fuel filter?