SOURCE: PO455 odb scan code evap. system large leak. 2003
you need a smoke machine to fill evap sysytem and it will leak smoke out where the leak is to many tight places to look without
SOURCE: I have a 2008 Jeep Liberty sport it has 39600 back-up lights not
If you have tested fuses and bulbs with test light,and they check out,
the next step is to put you jeep in reverse with the key on,and use your test light to probe the wires before they enter the bulb sockets for power,if you have power replace sockets,if not check to make sure wires are still connected to back up light switch on trans,if you find no problem there,replace the switch
Testimonial: "Thank you for the info on my jeep. I brought it to my mechanic and he could not find where the new switch goes.I will bring it to the dealer."
SOURCE: i have code P0320 and P0340 on my jeep liberty
P0320 Ignition Engine Speed Input Circuit malfunction
P0340 Camshaft Position Sensor Circuit malfunction
SOURCE: 2004 - JEEP LIBERTY SPORT
P0122 Code - Throttle Position Sensor/Switch A Circuit Low Input
A P0122 code means that the the car's computer has detected that the TPS (throttle position sensor) is reporting too low a voltage. On some vehicles that lower limit is 0.17 - 0.20 volts (V).
Did you adjust it when you installed it? If the signal value is less than .17V then the PCM sets this code. Could be an open or a short to ground in the signal circuit. Or you may have lost the 5Volt reference voltage.
Symptoms may include:
* Rough or low idle
* Stalling
* Surging
* No/little acceleration
* other symptoms may also be present
Causes: A code P0122 may mean that one or more of the following has happened:
* TPS not mounted securely
* TPS circuit short to ground or another wire
* Faulty TPS
* Damaged computer (PCM)
Possible Solutions: Some recommended troubleshooting and repair steps are:
* Carefully check the throttle position sensor (TPS), wiring connector, and wiring for breaks, etc. Repair or replace as necessary
* Check the voltage at the TPS (refer to a service manual for your vehicle for specific information). If the voltage is too low that is indicative of a problem. Replace if necessary.
* If recently replaced the TPS may need to be adjusted. On some vehicles the installation instructions call for the TPS to be properly aligned or adjusted, consult a repair manual for specifics.
* If there are no symptoms at all, the problem may be intermittent and clearing the code may resolve the issue temporarily. If this is the case then you should definitely check the wiring to be sure it's not rubbing on anything, grounding, etc. The code may come back.
Hope helps (remember to rate this answer).
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