Question about Cars & Trucks
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Posted on Jan 02, 2017
12 is a battery disconnect within the last 50 start cycles and 55 means the end of the diagnostic cycle. Basically the computer found nothing wrong. The 12 code may seem incorrect if you haven't disconnected the battery recently, but from my experience the 12 code shows up almost all the time regardless.
Posted on Dec 16, 2008
SOURCE: 2003 Jeep Vacuum Diagram
THERE SHOULD BE A EVAP/VACUUM DIAGRAM UNDER THE HOOD ON A WHITE STICKER. SOMETIMES THEY ARE ON THE BOTTOM SIDE OF THE HOOD ITSELF. I HOPE THIS HELPS. PLEASE KEEP ME POSTED THANKS FOR USING FIX-YA AND FOR AN HONEST RATING/COMMENT. GOOD LUCK
Posted on Aug 29, 2009
open hood and ck for broken vacuum hoses going to the purge valve(2 vacuum ports and a wiring connector)
on the drivers side between airbox and firewall
if good remove driver side rear tire and inspect hoses next to the gas tank and 3rd, the canister is in that wheel well also insp for cracked hoses there also, been working for jeep 12 years i charged people about 1 hour to correct this probem.
Posted on Dec 18, 2009
P0137 - Oxygen O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)
Essentially the same as P0136, P0137 refers to the second oxygen sensor on Bank 1. P0137 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 1 Sensor 2 is located to the rear of the catalytic converter and should produce an output signal relative to oxygen storage capacity of the catalytic converter. This rear (sensor 2) sensor is less active than the signal produced by the front sensor. However, if the ECM senses the sensor is inactive, this code will set.
Symptoms: There may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination.
Causes: A code P0137 may mean that one or more of the following has happened:
* Faulty o2 sensor Exhaust leak near the rear sensor
* Plugged catalyst
* Short to voltage on O2 signal circuit
* High resistance or open on O2 signal circuit
* Replace faulty sensor
* Repair exhaust leak near the rear sensor
* Check for restriction in catalyst and replace as necessary
* Repair short, open, or high resistance on o2 signal circuit
Hpe hti shelps (remember comment and rated this).
Posted on Jul 26, 2010
Tips for a great answer:
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