Throttle Position Sensor (TPS)
Depending on your engine's specification and production
date, 2 styles of TPS may be equipped. The late style non-
adjustable TPS (
A
, Figure 73) can be identified by the round
fastener holes (
B
) in the mounting flange. The early style
adjustable TPS (
B
) can be identified by the slotted fastener
holes (
D
) on the mounting flange. Engines equipped with the
late style TPS may also come equipped with a tamper proof
TORX idle set screw.
73
Throttle Position Sensor (TPS) - Late Style
1. Disconnect the wire harness to TPS electrical connector.
2. Remove the 2 fasteners (
A
, Figure 74) that secure the
TPS to the throttle body.
74
3. Remove the TPS from the throttle body and set aside.
Throttle Position Sensor (TPS) - Early Style
1. Remove 2 fasteners to release TPS from throttle body.
2. Remove dead idle screw with spring from throttle body.
3. Mark throttle plate position for ease of installation.
67
Summary of Contents for BIG BLOCK M540000
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