OBD-I Codes List

Ford 182 Fuel system at the lean adaptive limit at idle with the system rich on 1.9L, 2.3L, 2.5L, 3.0L, 3.8L SC, 4.6L, 7.0L and 7.5L engines

Make
Ford (1981-1995)
Category
Powertrain - Fuel/Air Metering
Severity
Check Engine Light

How to read it

Code 182 reads as 1 flash, pause, 8 flashes, pause, 2 flashes on the check-engine light. Jumper the self-test input to signal return at the test connector, then run the key on engine off self test and the running self test, counting the check-engine flashes each time.

New to flash codes? The How to Read Ford EEC-IV Self-Test Codes walks through the test and what the numbers mean. The general OBD-I guide covers the rest.

What does Ford code 182 mean?

Fuel system at the lean adaptive limit at idle with the system rich on 1.9L, 2.3L, 2.5L, 3.0L, 3.8L SC, 4.6L, 7.0L and 7.5L engines

Common causes of 182

  • An intake leak leans idle on these engines.
  • Fuel pressure is low at idle, so the ECM adds fuel to the adaptive limit.
  • A blocked fuel filter holds fuel pressure down at idle.
  • A clogged injector skews idle mixture and pushes the adaptive limit.
  • The MAP sensor signal is off at idle and holds the adaptive limit at the lean stop.

How to fix 182

  1. Check for an intake leak at idle.
  2. Measure fuel pressure at idle and compare it with spec, since this fault reads low.
  3. Check the fuel filter and the fuel pump delivery.
  4. Test the MAP sensor and replace it only if it fails its own test.
  5. Test the ECM last, only after every circuit test has passed.
  6. Clear the code, then retest to confirm idle adaptive returns to center.

Source

Source review recorded

Sources and review

Review: checked against the recorded source material.

Last updated 2026-10-10.

Report a correction for 182. Include your vehicle, the issue and a source if you have one.