1985 Fiero V6, 4-SPD, ECM PROM and Calpak

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1985 Fiero V6, 4-SPD, ECM PROM and Calpak ECM Computer chip Set

Very hard to find ECM PROM and CALPAK for 1985 Pontiac Fiero V6, with 4-speed manual 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.


  • 1985 Pontiac Fiero
  • 4 speed manual transmission
  • California and Federal emissions
  • PROM FTY9355
  • CALPAK 16044802
  • ECM 1226869

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30 day Limited Warranty. Condition: Tested. Includes Warranty.
1985 Fiero V6, 4-SPD