The purpose of the charging system is to maintain an ideal vehicle voltage level, which is usually 14. A manual is connected to the clutch by a flywheel and automatic by a flexplate. Here are the most common issues that cause the p08 code in the jeep wrangler. How to test an oxygen or o2 sensor plus a quick guide on what. View and download jeep 2004 wrangler owners manual online. P08, 12 o2 sensor shorted to voltage, oxygen sensor input voltage maintained. This webpage contains 2004 jeep wrangler owners manual pdf used by jeep garages, auto repair shops, jeep dealerships and home mechanics. Today we are delighted to announce that we have discovered an incredibly interesting niche to be pointed out, namely 2004 jeep wrangler parts diagram.
When your jeep throws its first code for sensors and has more than 36000 miles and is modified and throws codes p2098 p2096 p0155 p08 p014 1 or any o2 sensor codes go to the dealer buy 4. Oxygen sensor 2 is the downstream oxygen sensor in relationship to the catalytic converter. Shop millions of cars from over 21,000 dealers and find the perfect car. I have a 2007 wrangler unlimited and am getting code p08. Jan 03, 2015 jeep wrangler oxygen sensor locate and test. Jeep has 67 years in the auto industry with a list of cars that includes the 2007 jeep mb sport 2. It measures the amount of air and fuel coming out of the catalytic converter to ensure the catalytic converter is functioning properly. Oxygen sensor input voltage maintained below normal operating range. Most people looking for specifics of 2004 jeep wrangler parts diagram and certainly one of them is.
Jeep wrangler 2004 service manual pdf downloadfactory. The auto repair labor rates vary widely across the country, and even within the same city. Bad oxygen sensor the o2 sensor itself is one of the most likely reasons that p08 is triggering your service engine soon light. Code p08 ngk 232 project 2004 jeep tj wrangler howto. Perhaps you dont already have a tuning device and cant check the codes manually. Not familiar with the liberty, but some jeeps even have a relay in the heater circuit. I have replaced both o2 sensors once and the front sensor 3 times. Decoding obdii diagnostic trouble codes haynes manuals. Jeep wrangler tj owners manual pdf car owners manuals. Manuals for cars that you can read, download in pdf or print. Just select the year, make, and model to learn more about chiltons trusted online car manual for your vehicle. Try to refresh or download newest adobe flash plugin for desktop or flash player for android devices. See all formats and editions hide other formats and editions.
The subject vehicle in todays video is a 2004 jeep. This service manual has easytoread text sections with top quality diagrams and instructions. Rockauto ships auto parts and body parts from over 300 manufacturers to customers doors worldwide, all at warehouse prices. When your jeep throws its first code for sensors and has more than 36000 miles and is modified and throws codes p2098 p2096 p0155 p08 p014 1 or any o2 sensor codes go to the dealer buy 4 new o2 sensors and replace them. If either are obstructed it can overpressure the crankcase and cause all kinds of problems. Trust 2004 jeep wrangler service repair manual will give you everything you need to do the job. P0038 heated oxygen sensor ho2s 2, bank 1, heater control. However, just because the check engine light is on, doesnt mean theres anything seriously wrong with it. Jeep has 67 years in the auto industry with a list of cars that includes the 2007 jeep mb. Obdii codes for jeep vehicles 1997 to 2006 quadratec. They are presented in order somewhat of most to least likely to cause the problem.
Oxygen sensor circuit, high voltage postconverter sensor, left bank p0140. Notice about jeep wrangler tj owners manual 2000 pdf download. Jeep wrangler oxygen sensor locate and test youtube. I have read that the p08 is likely related to a wiring issue. I have a 2007 wrangler unlimited and am getting code p08 and p0155 simultaneously. Is it the one on towards the front or the one in the back on the exhaust manifold. Tj wrangler suspension and steering 4 wheel parts in 2004 jeep wrangler parts diagram, image size 630 x 739 px, and to view image details please click the image here is a picture gallery about 2004 jeep wrangler parts diagram complete with the description of the image, please find the image you need. A manual is connected to the clutch by a flywheel and automatic by. Note that bank 1 refers to the bank of cylinders that contains cylinder. Oxygen sensor circuit no activity detected postconverter sensor, left bank p0141.
Oxygen sensor heater circuit malfunction postconverter sensor, left bank p0143. Also, for the fun of it i connect the multimeter to the yj o2 sensor and go for a ride to see how. Get your hands on the complete jeep factory workshop software. Dont waste time calling around to your local bookstores or waiting for a repair manual to.
These consist of gears, linkages, cables and converters for automatics. Access your jeep wrangler tj owners manual online jeep wrangler tj owners manual. Jeep wrangler repair manuals are available at the click of a mouse. After you read the manual, it should be stored in the vehicle for convenient reference and remain with the vehicle when sold so that the new owner will be aware of all safety warnings. This is the service manual for the 2004 jeep wrangler. If theres any indicator that theres something wrong with your jeep wrangler, the check engine light would be the biggest clue. Years of experience tells me this isnt something i can guess at and be 100% sure i have the right answer but based on what you said, id look there. I had replaced the front o2 sensor at around 100k miles but didnt know there was a back sensor until recently. But when i got to the power distribution panel, i got lostconfused. Original factory 2004 jeep wrangler service repair manual is a complete informational book. Jeep wrangler service repair manuals on tradebit tradebit merchants are proud to offer auto service repair manuals for your jeep wrangler download your manual now. Download your free pdf file of the 2004 jeep wrangler on our comprehensive online database of automotive owners manuals.
Jeep wrangler yj how to install wheel spacers and why use them. I have 176000 miles on a well taken care of jeep read more. Tradebit merchants are proud to offer auto service repair manuals for your jeep wrangler download your manual now. If i remember correctly, your 2004 has two upstream catalytic converters. A must have for any jeep owner and comes in very handy when ordering parts or making repairs. The auto repair labor rates vary by location, your vehicles make and model, and even your engine type. Obdii code p08 ngk 232 project 2004 jeep tj wrangler howto. When the code p0562 is set in the powertrain computer, it means that the powertrain computer or pcm is seeing a lower than. Also, for the fun of it i connect the multimeter to the yj o2 sensor and go for a.
Jan 14, 20 original factory 2004 jeep wrangler service repair manual is a complete informational book. The p08 high voltage code indicates an open in the rear sensor heater circuit. Using and downloading modern browser uptodate should solve your problem in most cases. When you want to save money and do the job right the first time, turn to an online chilton jeep wrangler repair manual. Obdii code p02 is caused by an oxygen sensor circuit high voltage bank 1, sensor 1. Jeep wrangler tj owners manual 2000 pdf car owners manuals. When it comes to service, remember that your authorized. Which sensor is sensor 1, bank 1 jeep wrangler forum. Chrysler dodge jeep p0157 p0158 p07 andor p08 youtube. It appears as if the upstream and downstream sensors stare some wiring.
P08 is the obdii generic code indicating the o2 sensor for bank 1 sensor 2 fails to have a lower voltage output below 1. Chiltons jeep wrangler online manuals provide information for your cars diagnostics, doityourself repairs, and general maintenance chiltons jeep wrangler repair manuals include diagrams, photos, and instructions you need to assist you in doityourself wrangler repairs. Dec 07, 2019 11072016 this is on a 2000 jeep wrangler tj, i had put in a new fan speed switch and less than 100k miles later, the high speed stopped working, after doing some research i 20072017. O2 sensor install ngk 232 project 2004 jeep tj wrangler. Jeep wrangler complete workshop repair manual 2002 2004. This process may be similar on other jeep models such as the grand. O2 sensor install obdii code p08 ngk 232 project 2004 jeep tj wrangler howto. The manual covers the complete tear down and rebuild, pictures and part diagrams, torque specifications, maintenance, troubleshooting, etc. With this jeep wrangler workshop manual, you can perform every job that could be done by jeep garages and mechanics from. Have a look in the power distribution center relayfuse box under the hood, you will see on the inside of the cover which relay and which fuse is for what. O2 sensor circuit high voltage bank 1, sensor 2 what the p08 code means. O2 sensor circuit high voltage bank 1 sensor 2 autoeclinic. How to test an oxygen or o2 sensor plus a quick guide on what each sensor. Jeep wrangler blower motor wiring schematic kendamalldotcom.
It may be a bad internal heater within the rear o2 sensor, you could check the heater wires dark greenwhite and black for continuity. This code is triggered when the powertrain computer or pcm determines that the oxygen sensor voltage remained above 450 millivolts for more than twenty seconds varies with vehicle make and model or that the air fuel ratio sensor remained in a richbiased. Jeep wrangler 19992004 factory service repair manual download pdf 2003 jeep wrangler tj service repair manual instant download jeep wrangler tj 19972006 workshop repair service manual. Our 2004 jeep wrangler repair manuals include all the information you need to repair or service your 2004 wrangler, including diagnostic trouble codes, descriptions, probable causes, stepbystep routines, specifications, and a troubleshooting guide. Below you will find free pdf files for select years of your jeep wrangler automobile. With chiltons online doityourself jeep wrangler repair manuals, you can view any years manual 247365 our 2004 jeep wrangler repair manuals include all the information you need to repair or service your 2004 wrangler, including diagnostic trouble codes, descriptions, probable causes, stepbystep. Sometimes due server overload owners manual could not be loaded. Obdii code p0562 is defined as a system voltage low.
The rear o2 sensor is the one after the cat as pointed out by x99j above, so replacing the front wont resolve this code. Most jeep wrangler owners like to push their rigs to the limit. I have an 06 wrangler x, with only 2 sensors which one is sensor 1 bank 1. I just got the jeep and i didnt have time to get a manual yet. I replaced the back o2 sensor for the first time a couple hundred miles back. The vehicle runs much better, more pep, cant tell if there is any gas mileage improvement. Jeep wrangler ii tj wrangler o2 sensor 2005 rubicon here is what i have found out.