Diesel injection

2015 TOYOTA PICKUP
15,000 MILES • 2.8L • 4 CYL • TURBO • 4WD • AUTOMATIC
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KHALIDDVD
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  • 56 POSTS
why diesel injectors need coding or reprogramming while petrol not needing?
Apr 10, 2018 at 6:12 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon.

It is for fuel mapping and injector on time.

Roy
Apr 10, 2018 at 1:43 PM
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KHALIDDVD
  • MEMBER
  • 56 POSTS
so what about petrol?how the ECU recognize injector?
more explanation pls....
Apr 11, 2018 at 11:29 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
the coding tells the ecm the internal specs of the injector so when it command it to fire, a specific amount of fuel is delivered to meet power expectations and emission expectations.

Roy
Apr 11, 2018 at 1:05 PM
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