Chrysler Sebring 2004 Service Manual page 2108

Symptom:
P1299-VACUUM LEAK FOUND (IAC FULLY SEATED)
When Monitored and Set Condition:
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.
VACUUM LEAK
TP SENSOR SWEEP
MAP SENSOR OPERATION
INTERMITTENT CONDITON
TP SENSOR FULLY SEATED
TEST
1 NOTE: A large vacuum leak is mostly the cause of this DTC.
Inspect the Intake manifold for vacuum leaks.
Inspect the Power Brake Booster for any vacuum leaks.
Inspect the PCV system for proper operation or any vacuum leaks.
Were any vacuum leaks found?
Yes → Repair vacuum leak as necessary.
→ Go To 2
No
2 NOTE: The throttle must be fully seated and rest on the throttle stop.
Turn the ignition on.
With the DRBIII , read the TP Sensor voltage.
Is the voltage below 1.5 volts?
Yes → Go To 3
→ Replace the TP Sensor.
No
3 Turn the ignition on.
With the DRBIII , monitor the TP Sensor voltage.
Slowly open the throttle from the idle position to the wide open throttle position.
Does voltage start at approximately 0.8 volts and go above 3.5 volts with a smooth
voltage change?
Yes → Go To 4
→ Replace the TP Sensor.
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - GAS
179
APPLICABILITY
All
All
All