Skyhawk L4-121 2.0L VIN 1 TBI (1988)
Crankshaft Position Sensor: Technical Service Bulletins
Engine Controls - Revised Diagnostic Chart A3, No Start
Bulletin:
89-6E-28
Date:
Apr. '90
Ref. No.: 89-283-6E
Corp. Ref. No.: 016506
SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E - DRIVEABILITY AND EMISSIONS SENSOR VOLTAGE OUTPUT SPECIFICATIONS
MODELS AFFECTED:
1987-89 SKYHAWK WITH 2.0L ENGINE (VIN CODE 1)
1987 CENTURY WITH 2.8L ENGINE (VIN CODE W)
1988 REGALS WITH 2.8L (VIN CODE W) OR 3.1L (VIN CODE T) ENGINES
YEAR
ENGINE
CARLINES
SECTION
TEXT
1987-89
2.0L
Skyhawk
Chart A-3
Page 2 of 3
1987
2.8L
Century
Chart A-3
Page 3 of 3
1988-90
2.8L/3.1L
Regal
Chart A-3
Page 3 of 3
The following crank sensor voltage output specifications have been updated for applications listed above. This updated information should be noted in
the appropriate "Engine Cranks But Will Not Run" Chart A-3, in the "Driveability And Emissions" Section "6E" of the Service Manual.
-
Normal crank sensor voltage output range (room temperature/charged battery) .8 volt (800 mv) - 1.4 volts (1400 mv).
-
Minimum crank sensor voltage output (slow cranking/low battery) .3 volt (300 mv).
