Engine Control - Throttle Position Switch Setting
Number: 82-I-146Section: VIy
Date: Mar., 1983
Subject: 6.2L DIESEL THROTTLE POSITION SWITCH (TPS) SETTING FEDERAL AND CALIFORNIA - 1982 "C-K" WITH LH6 L.D. 6.2L DIESEL ENGINE
TO: ALL CHEVROLET DEALERS
Setting of the throttle position switch (TPS) on 6.2L diesel LH6 engine (L.D.), must be correct to assure proper engine and transmission operation.
Chart 1 displays the settings to use for the various Nationwide/ Federal/California engine transmission configurations. Locate the part number on the face of the switch. Refer to the chart column listing that part number. Using the other vehicle parameters listed, a gage bar setting can be determined. The 1982 Light Duty Truck Service Manual on page 6C6-2 (Figure 6C6-4) does not specify the dimensions of the gage bar settings.
Reference is made to Kent-Moore tools available for this setting.
CHART 1
1982 MODEL YEAR
GAUGE BAR
ALTI- TPS SWITCH SWITCH
USAGE TUDE TRANS. MODELS P/N CLOSED OPEN GAUGE P/N
Nation-
wide All Manual All 14050405 0.646" 0.668" J-33043-2
Federal All Auto. All 14033943 0.646" 0.668" J-33043-2
Calif. All Auto. "C-K" 10 P/U 14033943 0.646" 0.668" J-33047-2
"C-K" 20 P/U
Calif. All Auto. "C-K" Subur-
ban 14050408 0.602" 0.624" J-33043-4
"K" 10 Blazer