1986 Fiero V6, Auto, CA emission ECM PROM and CALPAK Set
Very hard to find ECM PROM and CALPAK for 1986 Pontiac Fiero GT V6, with Automatic Transmission.
PROM (Programmable Read Only Memory) chips and CALPAK chips will only work for the specific vehicle year, model, Engine and Transmission they are listed for.
The PROM contains calibration information for that specific vehicle. The CALPAK is an emergency backup unit that sends information to the fuel injectors if certain components of the ECM fails.
- 1986 Pontiac Fiero GT, V6 2.8Liter
- Automatic Transmission
- California emissions
- PROM HWT5172
- CALPAK 16044802
- ECM 1227170