B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
Camshaft Position Sensor: Customer Interest
Engine Controls - MIL ON/Multiple Driveability Concerns
No: 01-001/03
Last Issued: 01/07/2003
Subject
CAMSHAFT POSITION CMP SYNCHRONIZER TOOL USE DTC P1336 P1309 P0340
APPLICABLE MODEL(S)/VINS
1996-2000 Truck B4000 (OHV engines only)
1995-2003 Truck B3000
DESCRIPTION
An incorrectly installed Camshaft Position Sensor (CMP) synchronizer may be difficult to diagnose. The CMP identifies the # 1 cylinder compression
stroke to the PCM. It is important to install a gear driven Camshaft Position (CMP) Sensor synchronizer correctly.
If a sensor is installed incorrectly, it may exhibit poor fuel economy, drive ability concerns (loss of power, surge, hesitation, rolling idle, runs rough), the
MIL may come on with DTCs (P1336, P1309, P0340).
Incorrect installation includes:
-
Engine was not set to TDC # 1 cylinder before CMP sensor synchronizer installation
-
The incorrect CMP synchronizer installation tool was used
-
Incorrect alignment of the CMP synchronizer tool
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The CMP synchronizer was turned after installation
This bulletin describes how to diagnose an incorrectly installed CMP sensor synchronizer using WDS and proper procedure and tools for installing a
CMP sensor synchronizer.
CMP SENSOR TYPES