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I replaced distruibuitor and spider injector on gmc sierra…

Customer Question
I replaced distruibuitor and spider...
I replaced distruibuitor and spider injector on gmc sierra v6. I did the dtc on it and turns fine but gives me code p0016. What can i have done wrong?
Submitted: 3 months ago.Category: GMC
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Answered in 3 minutes by:
3/30/2018
GMC Mechanic: Gabriel Grey, Auto Service Technician replied 3 months ago
Gabriel Grey
Gabriel Grey, Auto Service Technician
Category: GMC
Satisfied Customers: 448
Experience: Master Service Technician
Verified

Good afternoon, I hope you are doing great. My name is***** am a GM technician and I would be happy to assist you with this.

If you are getting a DTC P0016 that means there is something not lined up with the timing, and the crank/cam position sensors are unable to correlate together. I would recommend going over to make sure all the connections are tight and nothing was left disconnected. If the code stays active then you will need to recheck and set the base engine timing

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Customer reply replied 3 months ago
What you mean by base engine timing? Also in the harmonic it has 2 marks which one should i follow for timing?
GMC Mechanic: Gabriel Grey, Auto Service Technician replied 3 months ago

The base timing will be the engine timing. You will need to use a timing light with the distributor ignition signal connector unplugged and you will want to use the bigger mark that shows the 0

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