Ford Festiva. Instruction — part 33

IDLE SPEED & MIXTURE

IDLE MIXTURE

IDLE SPEED

1. Turn off all accessories. Place automatic transmission in Park or instruction transmission in Neutral. Set parking brake. Connect tachometer

to engine. Warm engine to normal operating temperature. Connect a jumper wire between single-wire STI test connector (Green on
Capri; Black on Festiva) and ground. See

Fig. 1

.

2. Locate idle speed control by-pass air (ISC-BPA) valve on intake manifold. Remove cap, and adjust idle speed to specification by turning

idle air adjust screw on ISC-BPA valve. See

Fig. 2

. Remove jumper wire.

IDLE RPM

Fig. 2: Locating Idle Air Adjust Screw

Courtesy of FORD MOTOR CO.

THROTTLE POSITION SWITCH (TP)

CAPRI

Throttle position sensor is preset at factory. No adjustment is required.

FESTIVA

1. Ensure idle speed and ignition timing are adjusted to specification. Stop engine. Disconnect negative battery cable.

2. Unplug TP connector at throttle body. Insert appropriate feeler gauge between throttle stop screw and stop lever. Check for continuity

between specified terminals on TP connector. See TP ADJUSTMENT table.

3. To adjust, loosen TP attaching screws. Connect ohmmeter between terminals IDL and TL. See

Fig. 3

. Insert a .020" (.5 mm) feeler

gauge between throttle stop screw and stop lever.

4. Rotate TP until ohmmeter indicates continuity. Insert a .028" (.7 mm) thickness gauge between stop screw and stop lever. Ohmmeter

should indicate no continuity. If ohmmeter indicates continuity, repeat adjustment procedure.

Application

Auto. Trans.

Man. Trans.

1.3L

9-11 @ 850

9-11 @ 700

1.6L Non-Turbo

1-3 @ 850

0-4 @ 850

1.6L Turbo

10-14 @ 850

0-4 @ 850

NOTE:

Idle mixture is controlled by ECA and is not adjustable.

Application

Auto. Trans.

Man. Trans.

1.3L

830-870

680-720

1.6L

800-900

800-900

CAUTION:

DO NOT tamper with throttle stop screw at throttle lever. Doing so may result in damage to throttle
body.

TP ADJUSTMENT

Fig. 3: Throttle Position Switch Connector Terminal ID. (Festiva)

Courtesy of FORD MOTOR CO.

Test Condition

(1)

Cont. Between IDL-TL

Cont. Between PSW-TL

.02" (.5 mm)

Yes

No

.03" (.7 mm)

No

No

Wide Open Throttle

No

Yes

(1)

Insert specified feeler gauge between throttle adjustment screw and stop lever.

Copyright 2009 Mitchell Repair Information Company, LLC. All Rights Reserved.

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A - ENGINE/VIN ID

1991 ENGINE PERFORMANCE Ford/Mercury - Introduction

APPLICATION

MODEL COVERAGE

VIN DEFINITION

Numbers preceding the explanations in the legend below refer to the sequence of characters as listed on VIN identification label.

SAMPLE VIN

Digit #: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17.

(VIN) K N J P T O 6 H 9 L 6 1 0 0 0 0 0.

VIN Definition



1-3 - Indicates Nation of Origin.



4 - Indicates Restraint System.



5 - Indicates Carline Code.



6-7 - Indicates Body Type.



8 - Indicates Engine Type.



9 - Indicates Check Digit.



10 - Indicates Model Year.



11 - Indicates Assembly Plant.



12-17 - Vehicle Serial Number.

ENGINE CODE LOCATION

Fig. 1: Engine Code Location

Courtesy of FORD MOTOR CO.

MODEL YEAR VIN CODE APPLICATION

Model

Body Code

Eng. Type

(1)

Eng. ID

Fuel Sys.

Ign. Sys.

Capri

01

1.6L

Z

PFI

Magnetic

Capri

01

1.6L Turbo

6

(2)

PFI

Magnetic

Festiva

05, 06, 07

1.3L

H

PFI

Magnetic

(1)

See vehicle engine code label affixed to timing belt cover, See

Fig. 1

.

(2)

XR2 model W/intercooled turbo.

VIN Code

Model Year

L

1990

M

1991

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EMISSION CONTROL APPLICATIONS

Emission Applications - Ford Motor Co. - Imports (1968-97)

EMISSION APPLICATIONS

1968-97 FORD MOTOR CO. - IMPORTS

Year, Model, Engine & Fuel System

(1)

Emission Control Systems & Devices

1968-69

Cortina 1.6L Carb.

PCV, AIS

1970

Capri & Cortina (Except GT) 1.6L Carb.

PCV, ACL,

(2)

EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

Cortina GT 1.6L Carb.

PCV,

(2)

EVAP, AIS,

EVAP-VC

1971

Capri 1.6L Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

Pantera 5.8L V8 Carb.

PCV, EVAP, SPK,

EVAP-VC, SPK-DDD

1972

Capri 1.6L Calif. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, SPK-TCS, DCLV

1.6L Fed. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

2.0L Calif. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

2.0L Fed. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

2.6L Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

Courier 1.8L Calif. Carb.

PCV, EVAP, AIS,

EVAP-VC, CRV

Fed. Carb.

PCV, EVAP, SPK,

EVAP-VC, SPK-DPD

Pantera 5.8L V8 Carb.

PCV, EVAP, SPK,

EVAP-VC, SPK-DDD

1973

Capri 2.0L Calif. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, DCLV

2.0L Fed. Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, SPK-TCS, DCLV

2.6L A/T Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD

2.6L M/T Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD, SPK-TCS, DCLV

Courier 1.8L Calif. Carb.

PCV, EVAP, AIS,

EVAP-VC, CRV

Fed. Carb.

PCV, EVAP, SPK,

EVAP-VC, SPK-DPD, CRV

Pantera 5.8L V8 Carb.

PCV, EVAP, SPK,

EVAP-VC, SPK-DDD

1974

Capri 2.0L Carb.

PCV, ACL, EVAP, EGR, AIS,

EVAP-VC, DCLV

2.8L Carb.

PCV, ACL, EVAP,

(3)

EGR,

(2)

AIS,

EVAP-VC, DCLV

Courier 1.8L Carb.

PCV, EVAP, AIS,

EVAP-VC, CRV

Pantera 5.8L V8 Carb.

PCV, ACL, EVAP, SPK,

EVAP-VC, SPK-DDD

1975

Capri II 2.3L Carb.

PCV, ACL, EVAP,

(2)

OC,

(2)

FR, EGR,

(3)

SPK,

AIS,

EVAP-VC, SPK-DV, DCLV

2.8L Carb.

PCV, ACL, EVAP, OC, FR, EGR,

(2)

SPK, AIS,

EFE,

EVAP-VC,

(4)

SPK-CSSA, SPK-DDD, EFE-HCV,

(5)

DCLV

Courier 1.8L Carb.

PCV, EVAP, AP,

EVAP-VC, CRV

1976