1991 FORD FESTIVA spark plugs

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Page 104 of 454

FORD FESTIVA 1991  Service Manual 1. Position new gasket on exhaust manifold, and install turbocharger onto studs. Install 4 retaining nuts and tighten to specification. See 
TORQUE SPECIFICATIONS
 table at end of article. 
2. Remove

Page 106 of 454

FORD FESTIVA 1991  Service Manual article. Install timing belt and covers. Install cam cover. On non-turbo engines, connect front exhaust pipe to exhaust manifold. Tighten 
nuts to specification.  
4. On turbocharged engines, install

Page 107 of 454

FORD FESTIVA 1991  Service Manual Remove timing belt covers, See TIMING BELT COVER procedure to remove timing belt from this engine.
Installation (1.6L) 
1. Ensure timing belt and sprockets are clean and not worn or damaged. Ensure ti

Page 153 of 454

FORD FESTIVA 1991  Service Manual Back To Article 
C - SPECIFICATIONS
1991 ENGINE PERFORMANCE Ford/Mercury - Service & Adjustm ent Specifications 
INTRODUCTION 
Use this article to quickly find specifications related to servicing and

Page 154 of 454

FORD FESTIVA 1991  Service Manual VALVE CLEARANCE 
IGNITION SYSTEM 
IGNITION COIL 
IGNITION COIL RESISTANCE 
CRANKSHAFT POSITION SENSOR 
CRANKSHAFT POSITION SENSOR RESISTANCE 
HIGH TENSION WIRE RESISTANCE 
HIGH TENSION WIRE RESISTANCE

Page 195 of 454

FORD FESTIVA 1991  Service Manual IDLE SPEED 
While the engine is cold, the Idle Speed Control By-Pass Air (ISC-BPA) Valve increases idle speed to warm the engine quickly. At engine 
temperatures less than 140°F (60°C), the valve is

Page 223 of 454

FORD FESTIVA 1991  Service Manual Engine overheatingCheck cooling system, See 
COOLING
Auto. Trans. pressure regulator valve faultyReplace pressure regulator 
va l ve
Auto. Trans. fluid level too lowAdd fluid as necessary
Improper vac

Page 234 of 454

FORD FESTIVA 1991  Service Manual TUNE-UP TROUBLE SHOOTING - GAS ENGINE VEHICLES 
BASIC SPARK PLUG TROUBLE SHOOTING CHARTS 
Faulty solenoid switch, switch connections or relayCheck all wiring between 
relay and solenoid or replace 
re
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