How to check engine code on Jeep YJ?

How to check engine code on Jeep YJ?

Using the ignition switch, at no point do you actually start the Jeep: Start with the ignition in the OFF position, Turn the key to ON, OFF, ON, OFF, ON stop .. leave the key in the ON position (Complete this sequence in under 5 seconds).

How to troubleshoot a Jeep no start condition?

No Start Condition Basics. NO START 1: Checking For Spark. NO START 2: Checking For Fuel. NO START 3: Checking Engine Mechanical Condition. Cranks But Does Not Start Summary. More 4.0L Jeep Diagnostic Tutorials.

What are the diagnostic codes for a 1997 Jeep TJ?

Injector 3, and/or 4, and/or 5, and/or 6 output driver does not respond properly to the control signal. An open or shorted condition detected in the A/C clutch relay circuit. Insufficient or excessive vapor flow detected during evaporative emission system operation. An open or shorted condition detected in the duty cycle purge solenoid circuit.

What’s the trouble code on an OBDII Jeep?

OBDII Jeep Code Definitions. Trouble Code Fault Location Probable Cause P1001 Ignition Key Off Timer Performance Too F P1002 Ignition Key Off Timer Performance Too S P1004 Short Runner Valve Control Performance

What’s the diagnostic code for a Jeep YJ?

Diagnostic trouble code and descriptions: 11*: No crank reference signal detected during cranking. Timing belt skipped one or more teeth; or intermittent loss of either camshaft position sensor or crankshaft position sensor. 12*: Battery or computer recently disconnected within the last 50 start cycles).

Can you check the engine code on a Jeep Wrangler?

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. You need no special scanner to get the trouble code.

No Start Condition Basics. NO START 1: Checking For Spark. NO START 2: Checking For Fuel. NO START 3: Checking Engine Mechanical Condition. Cranks But Does Not Start Summary. More 4.0L Jeep Diagnostic Tutorials.

What’s the last code on a jeep TJ?

Each number will be displayed with a slight delay between numbers. Again, code 55 will always be the last code to be displayed. This method should work for Jeeps up to 1997. No crank reference signal detected during engine cranking.

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 suspension does a Jeep SJ have?

Based on the XJ Available in long and short bed versions, squareish classic Jeep lines, unibody style construction. Windshield: Curved Glass. Suspension:Coil spring front and Leaf spring rear. Wheel Bolt Pattern:5×4.5” Wheelbase:113” w/6ft bed, and 120” w/7ft bed JEEP JEEP SJ- FULL SIZE CHEROKEE, JEEP WAGONEER, & PICK-UPS

When do I go to crank my car the key stays in the start Posi?

Q: When I go to crank my car the key stays in the start position and the car is constantly trying to crank itself. When I place the key in the ignition and proceed to crank the car the key stays in the start position and the car is constantly trying to start itself up but never actually turns over.

Why does the key stay in the start position?

If the key is stuck in the start position, this is a ignition lock cylinder issue and the reason the starter continues to turn the motor over. If the starter is turning but the motor is not, then the starter is likely the problem. Either that or the teeth on the flex plate are all gone. This would require removing the transmission to repair.