Testing Application Menu

1990 Pontiac Firebird Formula, 5.0 F, Automatic, 4L60/MD8SECTION Testing Application Menu

To determine correct diagnosis and testing for a particular model, refer to CRUISE CONTROL DIAGNOSIS & TESTING MODEL LIST table. Diagnosis and testing procedures are available for the listed models only. Tests "A" through "P" refer to the tests directly following the menu.

CRUISE CONTROL DIAGNOSIS & TEST CHART MENU

Make & Model Chart Number
Pontiac
Firebird See Tests A-P
Grand Prix See Tests A-P
Sunbird
2.0L (VIN K) 1
2.0L (VIN M) See Tests A-P
6000 1
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.