Workshop Manual

6E–80
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Tech 2
Parameter
Refer ToTypical Data
Values
(2500 RPM)
Typical Data
Values (IDLE)
Units DisplayedData List
EGR Duty
Cycle
Engine Percent 0% 0% General Description and
Operation, Linear EGR
Operation and Results of
Incorrect Operation
EGR
Feedback
Engine Volts 0.45-0.80 0.45-0.80
—
EGR
Normalized
Engine Percent 0% 0%
—
Engine Load Engine Percent 2.0% - 5.5% 8.0% - 16.0% General Description and
Operation, Mass Air Flow
(MAF) Sensor
Time From
Start
Engine Sec Varies. Resets
at each engine
start.
Varies. Resets
at each engine
start.
—
Engine Speed Engine RPM Within –50 to
+100 of
“Desired Idle”
Actual engine
speed
—
EVAP Purge
Solenoid
Engine Percent 0% 0% Diagnosis, EVAP
Emission Canister Purge
Valve Check
EVAP Vent
Valve
Engine On/Off Off Off Diagnosis, EVAP Canister
Purge Solenoid and
EVAP Vacuum Switch
and Visual Check; DTCs:
P1441, P1442
Fuel System
Status
Engine Open
Loop/Closed
Loop
Closed Loop Closed Loop General Description
Fuel Level Engine Percent — — Engine Fuel
Fuel Level
Sensor
Engine Volts
— —
Engine Fuel
Fuel Tank
(Vapor)
Engine
Volts 1.02 – 1.86 1.02 – 2.57
General Description and
Operation
Pressure
Sensor
in. H2O — —
Fuel Pump Engine On/Off On On Engine Fuel
HO2S Bank 1
Sen.1
(millivolts)
O2
Sensor
Data
Millivolts 50-950
changing
quickly
50-950, always
changing
quickly
General Description and
Operation, Fuel control
HO2S
HO2S Bank 1
Sen.2
(millivolts)
(Auto Trans)
O2
Sensor
Data
Millivolts 200-700
changing slowly
250-650
changing slowly
General Description and
Operation, Fuel Metering
System
HO2S Bank 1
Sen.2
(millivolts)
(Manual
Trans)
O2
Sensor
Data
Millivolts 50-950
changing
quickly
50-950
changing
quickly
General Description and
Operation, Fuel Metering
System
HO2S Bank 1
Sen.3
(millivolts)
(Manual
Trans)
O2
Sensor
Data
Millivolts 200-700
changing slowly
250-650
changing slowly
General Description and
Operation, Catalyst
Monitor Heated Oxygen
Sensor (Manual Trans)