Good sites with FAQs for beginners Good site with FAQs for beginners can be see here:
http://jeep.us41.org/index.html particularly this page here which covers the basics of suspension and body lifts, bigger wheels, tyre type descriptions, regearing etc. http://jeep.us41.org/wheels/index.html http://jeep.us41.org/wheels/bigtirecurve.gif Good Books |
Jeep Error codes Here is a site to put your error codes into and you find out what they mean, saves finding someone with a computer to hook up.
http://www.ravens-ridge.com/JeepCodes.php Speedo Gear chart http://www.4x4xplor.com/images/speedo/speedochart00.gif Changing Your Jeep Wrangler Speedometer Gear -------------------------------------------------------------------------------- After installing larger tires on your Jeep, it is important to change your speedometer gear as well. If you don't, your speedometer and odometer will be slightly to dramatically off depending on how much bigger you went. Fortunately, speedometer gears are relatively cheap, readily available at your dealer and take all but 5 minutes to swap out. What You Will Need -------------------------------------------------------------------------------- • Appropriate Speedometer Gear (See Chart on Right) • 1/2" Socket or Wrench • Ratchet • Rag Installation -------------------------------------------------------------------------------- 1. Determine what speedometer gear you need by using the chart on the left. Select what gear ration you have and look across to the tire size you just installed and where the two meet, that's the tooth gear you will need. The part number you will need to ask for will be 520676 + the tooth number. For example, if you need a 34 tooth gear, the part number would be 52067634. 2. Climb under your Jeep and locate the speedometer gear housing. It will be attached to the rear of your transfer case on the driverside. 3. Using a 1/2" socket or wrench, remove the retaining bolt and clip. 4. Firmly grab the speedometer gear housing and pull the entire thing out of the transfer case. You may need to rock it back and forth a bit to do this. Be sure to have a rag handy as ATF will drip. 5. Inspect the rubber O-ring on the housing for cracks or damage. 6. Hold the speedometer gear housing in one hand and the gear itself in the other and then carefully pull them apart. 7. Take your new speedometer gear, lube the shaft just a bit with the ATF in your transfer case, and then plug it into the housing. 8. Make sure the rubber O-ring is seated properly and then re-insert the assembled speedometer gear and housing back into the transfer case. 9. You will notice that there are a series of number located along the side of the speedometer gear housing. Select the appropriate tooth gear range you just installed and rotate it until it is aligned with the raised dot on the transfer case as shown in the pic to the left. 10. Re-install the retaining clip and bolt. That should be it. Nice, fast and easy mod. Please let me know if you have any questions. |
And so people can search this page incase any links break...
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here is another to try, still missing one that I am looking for
http://www.getahelmet.com/jeeps/tech/codes/ |
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1997 Codes
11 No crank reference signal detected during engine cranking. Intermittent loss of either camshaft or crankshaft position sensor. CKP sensor target windows have too much variation. 12 Direct battery input to PCM was disconnected within the last 50 Key-on cycles. 13 No difference recognized between the engine MAP reading and the barometric (atmosphere) pressure reading from start-up. 14 MAP sensor input above or below acceptable voltage. 5 volt output to MAP sensor open. 15 No vehicle speed sensor signal detected during road load conditions. 17 Engine did not reach operating temperature within acceptable limits. Engine does not reach 20º F. within 5 minutes with a vehicle speed signal. 21 Upstream oxygen sensor response slower than minimum required switching frequency. Upstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor heating element circuit malfunction. Downstream oxygen sensor input voltage maintained above the normal operating range. Oxygen sensor voltage too low, tested after cold start. (Upstream or Downstream) Left oxygen sensor input voltage maintained above the normal operating temperature. 22 Engine coolant temperature sensor above or below acceptable voltage. 23 Intake air temperature sensor input above or below acceptable voltage. 24 Throttle position sensor input above or below acceptable voltage. TPS signal does not correlate to MAP sensor. 25 A shorted or open condition detected in one or more of the idle air control motor circuits. Actual idle speed does not equal target idle speed. 27 Injector #3, and/or 4, and/or 5, and/or 6 output driver does not respond properly to the control signal. 31 An open or shorted condition detected in the A/C clutch relay circuit. Insufficient or excessive vapor flow detected during evaporative emission system operation. 33 An open or shorted condition detected in the duty cycle purge solenoid circuit. 34 An open or shorted condition detected in the Speed Control vacuum or vent solenoid circuits. Speed control switch input below the minimum acceptable voltage. 37 Relationship between engine speed and vehicle speed indicates no torque converter clutch engagement. An open or shorted condition detected in the torque converter part throttle unlock solenoid control circuit. Incorrect input state detected for the Park/Neutral switch. Auto only. 41 An open or shorted condition in the generator field control circuit. 42 An open or shorted condition detected in the auto shutdown relay circuit. An open condition detected in the ASD relay output circuit. An open or shorted condition detected in the fuel pump relay control circuit. An open circuit between PCM and fuel gauge sending unit. Circuit shorted to voltage between PCM and fuel gauge sending unit. No movement of fuel level sender detected. 43 Peak primary circuit current not achieved with maximum dwell time. Misfire detected in one or more cylinders 1 thru 6. (4 and 6 cyls.) 44 Battery temperature sensor in voltage above or below acceptable range. 46 Battery voltage sense input above target charging voltage during engine operation. 47 Battery voltage sense input below target charging during engine operation. Also, no significant change detected in battery voltage during active test of generator output circuit. 51 A lean air/fuel mixture has been indicated by an abnormally rich correction factor. 52 A rich air/fuel mixture has been indicated by an abnormally rich correction factor. 53 PCM Internal fault condition detected. 54 No camshaft signal detected during engine cranking. 55 Completion of fault code display on Check Engine lamp. 63 Unsuccessful attempt to write to an EEPROM location by the PCM. 64 Catalyst efficiency below required level. (Same as code 72) 65 Power steering high pressure seen at high speed. (2.5L only) 72 Catalyst efficiency below required level. (Same as code 64) 77 Malfunction detected with poser feed to speed control servo solenoids __________________ |
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