Engine Controls - Long Crank Time to Start

NUMBER: 08-023-07

GROUP: Electrical

DATE: October 06, 2007

SUBJECT:
Long Crank Time Due To Possible Contact Of Camshaft Sensor To Camshaft Gear

OVERVIEW:
This bulletin involves the replacement of the engine camshaft sensor.

MODELS:

2007 (JK) Wrangler

NOTE:
This bulletin applies to vehicles equipped with a 3.8L engine (sales code EGT).

SYMPTOM/CONDITION:

The customer may experience one of the following conditions:

a). Long engine crank time.

b). Two engine start attempts prior to engine starting.

c). Due to the "TIP Start Feature on automatic transmission equipped vehicles, once the ignition key / switch has been released from the "START position, the starter may stay engaged for up to 10 seconds while the engine attempts to start.

The above conditions may be due to the position of the camshaft sensor to the camshaft gear. The sensor spacer gasket may have come loose during engine assembly and caused the camshaft sensor to be adjusted too close or in contact with the camshaft gear.

DIAGNOSIS:
If the above condition is present perform the Repair Procedure.





PARTS REQUIRED:

REPAIR PROCEDURE:

1. Disconnect and isolate the negative battery cable from the battery.





2. Disconnect the camshaft sensor electrical connector (Fig. 1).

3. Clean the area around the camshaft sensor and bore.

4. Remove the camshaft sensor mounting bolt.





TIME ALLOWANCE:





FAILURE CODE:

Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.