P1299

Tests 1 - 3:

Test 4:

SYMPTOM
P1299 - VACUUM LEAK FOUND (IAC FULLY SEATED)

WHEN MONITORED
With the engine running.

SET CONDITION
The MAP sensor signal does not correlate to the TPS signal.

POSSIBLE CAUSES
- Vacuum leak
- MAP sensor defective (out of calibration)
- TPS defective (voltage greater than 1.5 at rest)
- TPS defective (voltage less than 3.4 at wide open throttle)