Are there engine codes for the Jeep Wrangler YJ?
Jeep check engine codes for the Jeep Wrangler YJ and the XJ Cherokee. These codes and video may work with other OBD1 Jeeps. When Chrysler / Jeep came up with this idea for getting the engine codes, it was a very smart move. This generation of Wranglers and Cherokees had the most simple diagnostics of any other.
How are axles measured on a Wrangler model 44?
The non-Rubicon model 44s are the same length. Axle shafts with a u-joint in the center are measured from the center of the u-joint. Measuring front the center to the end of the shaft will get you the inner and outer axle lengths. C-clip axle shafts and semi-float axle shafts are measured slightly differently than the full-float shafts.
What’s the gear ratio on a Wrangler Rubicon?
Rubicon models come standard with a 4.10 rear gear ratio and also use a Dana 44 axle in the front with either a 3.73 or 4.10 gear ratio. Rubicon models also come with an electronically lockable differential for optimal traction while in 4WD.
What kind of axles does a Jeep Wrangler use?
The Three Wrangler Dana Axles. The Dana portion is the nameplate of Dana Inc., who is the manufacturer of the Jeep axles. There have been a few different axles used in Wranglers over the years with the Dana 44 being the most popular.
Jeep check engine codes for the Jeep Wrangler YJ and the XJ Cherokee. These codes and video may work with other OBD1 Jeeps. When Chrysler / Jeep came up with this idea for getting the engine codes, it was a very smart move. This generation of Wranglers and Cherokees had the most simple diagnostics of any other.
Where was the 1990 Jeep Wrangler last serviced?
Number of owners unknown. Last serviced in Aurora, CO on 04/10/19 • Vehicle serviced • Wipers/washers checked. Accident reported: total loss vehicle. Number of owners unknown.
How much does a Jeep Wrangler Rubicon weigh?
Jeep says that with a modest 2-inch lift you can run 35-inch tires. Aside from their engines and transmissions, the two Wrangler Rubicons are nearly identical. They even both have soft tops. The white V6 manual weighs 4,520 pounds at the scales, while the blue four-cylinder turbo Rubicon clocks in at 4,780 pounds.
The non-Rubicon model 44s are the same length. Axle shafts with a u-joint in the center are measured from the center of the u-joint. Measuring front the center to the end of the shaft will get you the inner and outer axle lengths. C-clip axle shafts and semi-float axle shafts are measured slightly differently than the full-float shafts.
Why is the alternator on my Jeep not charging?
Looks like the field coil of the alternator isn’t getting power. There are 3 wires attached to the alternator. One is a big fat wire that goes to the battery, this is the alternator output. The other two wires feed power to the field coil.
What causes a misfire on a Jeep YJ?
Misfire detected in one or more cylinders 1 thru 6. (4 and 6 cyls). 44*: Open or shorted condition in the engine coolant temp sensor circuit or a problem exists in the PCMs battery temp voltage circuit. 46**: Battery voltage too high during charging. 47**: Battery voltage sense input below target charging during engine operation.
What causes a check engine light on a Jeep YJ?
12*: Battery or computer recently disconnected within the last 50 start cycles). This is a very common code. Will not trigger a “Check engine light”. 13**: No change in Manifold Absolute Pressure sensor (MAP) from start to run. 14**: MAP sensor voltage too high or too low. 15**: No speed sensor signal detected. 17*: Engine stays cold too long.
What kind of engine does a Jeep Wrangler have?
The 258 was introduced in 1971 as the standard engine in J-series pickups and Wagoneers. Learning to Love Your 258: An easy fix for the most common idle problems with the 258 (4.2L) engine used in Wranglers (YJ) and CJs. Some photos courtesy Rick Boiros.
Where to put spark plug on Jeep YJ?
Hold the shank of the screwdriver about 1/8″ from a ground (close to the block or near-by bracket). The tip of the spark plug that you removed the boot from would be best. Making sure the Jeep is in neutral.
What kind of engine does a Jeep Wrangler YJ have?
The Wrangler YJ used a 2.5 L AMC 150 I4 or optional 4.2 L AMC 258 I6 until 1991. That year, a fuel injected 180 hp (134 kW) 4.0 L AMC 242 variant replaced the 112 hp (84 kW) 4.2 L 258 CID straight-6. The NP207 transfer case was used only in 1987 and replaced by the NP231
When did the Wrangler YJ get a slave cylinder?
In 1994, the slave cylinder on manual transmissions was moved outside of the transmission’s bellhousing to allow for easier replacement, and in 1995 larger U-joints were used. 1987-1995 Wrangler Models include Jeep Islander, Jeep Renegade, Jeep YJ, Jeep Sahara.
When do you need a spark in a Jeep Wrangler?
The previous gear-driven TJ ignition system dictates when a spark is needed based on camshaft position—a situation that can present issues for optimal ignition timing. Though the firing order will never change, spark may be needed just before or after the piston reaches the top dead center (TDC).
Is the YJ ignition the same as the JK ignition?
With the advancements in technology and today’s standards, the gap is large between the JK’s and YJ’s ignition system. Though they share the same principles, they wouldn’t even look remotely similar. Coil packs would return for this year, but the distributor itself has faded off into the sunset as a relic of the past.
How does fuel injection work on a Jeep Wrangler?
Enter the 1991 YJ. Though it is almost identical to earlier YJ Wranglers the engine were instead fed with fuel injection. Fuel injection works much the same as a carburetor. Its design is to combine fuel and air and deliver it to the engine.
Is there a 2.5 engine in a Jeep Wrangler?
They are severely underpowered for the weight of the jeep. The 4.0 gets almost as good of milage and has the power to actually pass someone if need be. Also a 2.5 engine is hard to find and expensive….4.0’s are plentiful and half the price. I just bought a 4.0 TJ just to get away from the 2.5 nightmare. Mine has 143K and I hate it.
Why does the Jeep Wrangler not burn as much fuel?
The JK’s engine doesn’t need to burn as much fuel if it’s keeping a consistent speed as it does to accelerate. So if you’re keeping a steady speed this feature basically shuts down two cylinders in your engine, providing better fuel economy.
These types of updates helped the TJ’s engine produce more power and operate smoother. The YJ Wrangler was first introduced in 1987. It was available with either a 2.5 Liter inline-4 cylinder, or a 4.0-liter inline six, and from the years 1987 through 1990 both were provided with fuel by a carburetor.
Enter the 1991 YJ. Though it is almost identical to earlier YJ Wranglers the engine were instead fed with fuel injection. Fuel injection works much the same as a carburetor. Its design is to combine fuel and air and deliver it to the engine.
Do you need to replace fuel tank in Jeep Wrangler?
The Wrangler Fuel Tank Replacements are exceptional quality that is only matched by an exceptional warranty. You need a steady supply of high-quality fuel to get the most out of your machine. As such, you never want to ignore the warning signs of a failing Jeep YJ fuel pump or Jeep YJ fuel lines.
What kind of fuel line does a Jeep Wrangler use?
Here at 4WD.com, we have the fuel parts you need to maintain, repair or upgrade your 4X4. Choose from well-known brands, such as Omix-ADA, Crown Automotive and, of course, Jeep. More complicated problems often require more sensitive solutions.
When did the Jeep Wrangler YJ come out?
know your wrangler. For the 1987 model year, AMC introduced the first Jeep Wrangler (YJ) to the market, which Chrysler continued to produce after the buy out in 1987. It replaced the AMC CJ-7, with very little change in terms of the body and frame. The most notable, and controversial change was the square headlamps.
How is the Jeep Wrangler YJ different from the CJ?
The leaf springs for suspension on the YJ were broader than the CJ and the front grille was different as it featured a bend almost halfway. The body of both models was, however, almost indistinguishable. The Wrangler YJ featured a broader windshield and the wipers rested on the windshield positioned in an arc to clean the wider frame.
What kind of transmission does a YJ Wrangler have?
The 2.5 liter straight 4 w/manual transmission was always paired with the AX-5. The TF 904 automatic transmission option was only made available from 94-95. Both straight 6 motors were matched with the TF 999 for the entire production run.
What kind of grille does Wrangler YJ have?
The Wrangler YJ featured a slightly different grille from previous models. The grille was slightly rounded at mid-point. This design was still reflected in the TJ version later on. This model looked a lot like the CJ model but had more in common with the XJ model regarding design.
What kind of engine does a Jeep YJ have?
The engine fits great into the bay, and owner S. Lomoriello shows some beautifully clean installation work. The YJ was released with two available engines; one being the AMC 2.5L, four-cylinder with 105 hp. This was AMC’s newly designed and released engine, whereas they had used the GM 151 Iron Duke four-cylinder in previous Jeeps.
What kind of transmission do I need for YJ Jeep?
They are sometimes more central to the conversion than the engine. In the entire production run of the YJ Jeep, all transmissions except one should be ruled out when performing a GM engine swap. These include the AX5, Peugeot and 904 / 30RH transmissions, which were hardly durable behind the lackluster factory engines.
Which is 4.0L Jeep motor will fit your Jeep?
91-01 XJ, 93-98 ZJ, 91-95 YJ, 97-99 TJ You will need to relocate temp sender to thermostat housing from HO motor. Also need to use all your Renix accessories, distributor, flywheel/flexplate, etc. 00-01 is not recommended due to crappy head. Some people say the 0331 isn’t as bad as people say.
91-01 XJ, 93-98 ZJ, 91-95 YJ, 97-99 TJ You will need to relocate temp sender to thermostat housing from HO motor. Also need to use all your Renix accessories, distributor, flywheel/flexplate, etc. 00-01 is not recommended due to crappy head. Some people say the 0331 isn’t as bad as people say.
Can you use a 91-01 motor on a 97-99 ZJ?
You can also use 91-01 XJ, 93-98 ZJ, 91-95 YJ, 97-99 TJ engines, but you will need to purchase separate coil pack adapter brackets since the 00-01 is a coil pack motor and earlier engines do not have mounting provisions. It would be cheaper and easier to just find the correct 00-01 motor.
What kind of motor does a 97 Jeep have?
The 00-01 were the problem heads. The ‘97 would be an 0630 casting and the ‘02 is a tupy head. The 00-01 was an 0331 casting and had cracking issues.
Can a ZJ motor bolt into a WJ?
Yes! A Zj motor will not just bolt into a Wj. Different bolt boss locations. Bart Johnston likes this. Came out of a thread in the general chat. Here’s the comprehensive list of what motors will fit which Jeeps. 91-01 XJ, 93-98 ZJ, 91-95 YJ, 97-99 TJ You will need to relocate temp sender to thermostat housing from HO motor.
Is there a problem with my YJ Wrangler?
A common problem with YJ Wranglers – turn the key and it doesnt start or it takes a few minuted to fire up Sometimes called “Lazy PCM”. Some simple tips and a certain way to tell if it is you ECM going south. I discuss “Forums” and a redneck tool from the Redneck Garage
How are the codes stored on a Jeep Wrangler?
Be sure to leave the key in the on position until the END OF CODES sequence has flashed (55) Once the Check Engine Light has turned off, it will pause in the off position for a second or two, and then start to flash, count the flashes. Each code stored will be given to you in a 2 digit sequence.
Where to test the PCM on a Jeep Wrangler?
3-Test for reference voltage (5v) coming out of the PCM at pin 17 ( orange wire) at the black connector and pin 31 (violet/orange wire) at the white connector. If the power input leads and grounds are good, but nothing is coming out of the two reference leads, then the PCM is smoked. Period.
A common problem with YJ Wranglers – turn the key and it doesnt start or it takes a few minuted to fire up Sometimes called “Lazy PCM”. Some simple tips and a certain way to tell if it is you ECM going south. I discuss “Forums” and a redneck tool from the Redneck Garage
Be sure to leave the key in the on position until the END OF CODES sequence has flashed (55) Once the Check Engine Light has turned off, it will pause in the off position for a second or two, and then start to flash, count the flashes. Each code stored will be given to you in a 2 digit sequence.
Where to buy a new Jeep Wrangler engine control computer?
Get a new one by shopping online with AutoZone and choose from Same Day Store Pickup or home shipping.
What’s the new version of the Jeep Renegade?
What’s New For 2016. Jeep’s 2016 Renegade compact SUV gains some new options, including rain-sensing wipers, 506-watt, 9-speaker Beats audio system and some new colors.
What does code 55 mean on an OBD1 Jeep?
Code 55 signals the end of stored OBD codes. You can repeat the key sequence as many times as needed if you were unsure of a code. *= Check Engine light will not illuminate at all times if this Trouble Code it present. **= Check Engine light will illuminate during engine operation if this Trouble Code is present.
How big is the ground clearance on a Jeep Renegade?
Optional and recommendable are the My Sky removable roof panels, which truly bring the outside in. Trailhawk models are beefed up with 8.7 inches of ground clearance, skidplates and red tow hooks front and rear. True to its Jeep heritage, the Renegade for 2016 offers an off-road package no other vehicle in this class can match.
What is the model code for a Jeep Renegade?
Jeep Model Codes Code Model Name Years Sub-Compact 4×4 BU Renegade (Based on Fiat platform) 2014-Present J Series, Full Size Trucks SJ Full size Grand Wagoneer (The original S 1963 – 1992
What is the OBD2 code for a jeep?
OBDII Jeep Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
What is the diagnostic code for a jeep check engine light?
Refer to our Generic OBD II code list for definitions on all other Jeep diagnostic trouble codes. Manufacturer Specific Codes P1105Open Or Shorted Condition Detected In The Baro Read Solenoid Control Circuit – Read Our Article on Automotive Circuit TestingFor Help With This Jeep Check Engine Light Code P1192Inlet Air Temp. Circuit Low
The 4.0 engine was in production in North America until 2006, when the Jeep Wrangler TJ was replaced by the new JK design that uses Chrysler’s OHV 3.8L V-6.
When did the Jeep 4.0 engine come out?
The first 4.0 engines in 1987 had RENIX (Renault/Bendix) engine control systems, which were quite advanced for their time, but are now handicapped because there are very few scan tools which can be “plugged in” to a RENIX system for diagnosis.
Where does the 4 cylinder Jeep engine come from?
This in-line 4 cylinder diesel motor is produced in Italy by VM Motori. This engine is a newer version of the R428. While having the same displacement and bore and stroke, this engine is a different block than the R428.
When did the 4cylinder Wrangler YJ come out?
In 1992, the roll cage was increased for shoulder belts at the back. Cable speedos were also replaced with an electronic speedometer. In 1993, the anti-lock brake option was added. In 1994, the 4cylinder Wrangler YJs received an automatic transmission variation and central high mounted brake lights.
What’s the difference between a Jeep Wrangler YJ and YJ?
This jeep has some differences from other models, which we will discuss later, but the most outstanding of them is the shape of the headlights. The Wrangler YJ featured square headlights which makes it very easy to spot anywhere.
When did the Jeep Wrangler YJ get automatic transmission?
In 1994, the 4cylinder Wrangler YJs received an automatic transmission variation and central high mounted brake lights. That same year, the manual transmissions slave cylinder changed its position to outside the bell housing of the transmission so that substitutes could be made more easily.
know your wrangler. For the 1987 model year, AMC introduced the first Jeep Wrangler (YJ) to the market, which Chrysler continued to produce after the buy out in 1987. It replaced the AMC CJ-7, with very little change in terms of the body and frame. The most notable, and controversial change was the square headlamps.
The 2.5 liter straight 4 w/manual transmission was always paired with the AX-5. The TF 904 automatic transmission option was only made available from 94-95. Both straight 6 motors were matched with the TF 999 for the entire production run.
How many manuals does a Jeep Wrangler have?
We have 158 Jeep Wrangler manuals covering a total of 44 years of production. In the table below you can see 2 Wrangler Workshop Manuals,8 Wrangler Owners Manuals and 38 Miscellaneous Jeep Wrangler downloads.