Festiva L4-81 1.3L SOHC (1988)
EGR Valve Position Sensor: All Technical Service Bulletins
EGR/EVP Sensor - MIL ON/Self Test Code 16 Set
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ELECTRONIC ENGINE CONTROL (EEC) - SELF TEST CODE "16" - CALIFORNIA EMISSION VEHICLES ONLY
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LIGHT - CHECK ENGINE (MIL) - SELF TEST CODE "16" - CALIFORNIA EMISSION VEHICLES ONLY
Article No. 88-25-12
FORD:
1988-89 FESTIVA
ISSUE:
A "check engine" light (MIL) that intermittently flashes "on" and "off" or stays "on" may be caused by the EVP sensor. Service code "16"
will be displayed during EEC Self Test.
ACTION:
Perform an EEC Self Test to determine if service code "16" is present. Refer to the Festiva Shop Manual, Section 55 for service details. If
service code "16" is present, refer to the following service procedure.
1.
Install a breakout box.
2.
Measure the EVP signal voltage from the EVP sensor to the processor (ECA). Measure between pin 27 and 46 on the breakout box.
NOTE:
IF A BREAKOUT BOX IS NOT AVAILABLE, THE SIGNAL VOLTAGE CAN BE MEASURED BETWEEN THE "BLACK" AND
"GREEN" WIRES AT THE EVP SENSOR. THE WIRE HARNESS MUST BE CONNECTED AND THE ENGINE MUST BE AT A HOT
CURB IDLE.
3.
If the voltage signal is above 0.95 volts, install a new EGR/EVP assembly, (E8BZ-9D475-A).
PART NUMBER
PART NAME
CLASS
E8BZ-9D475-A
EVP/EGR Assembly
W
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage And Emissions Coverage
OPERATION: 882512A
TIME:
1.2 Hrs.
DLR. CODING:
Basic Part No. 9D475
Condition Code: 09
OASIS CODES:
2300, 2500