1991 FORD FESTIVA compression ratio

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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 116 of 454

FORD FESTIVA 1991  Service Manual ENGINE SPECIFICATIONS 
GENERAL SPECIFICATIONS 
GENERAL SPECIFICATIONS 
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS 
CRANKSHAFT MAIN & CONNECTING ROD BEARINGS 
Water Pump-To-Block14-19 (19-26)
Wheels66-

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 224 of 454

FORD FESTIVA 1991  Service Manual ENGINES
Valve "O" ring seals damagedReplace "O" ring seals, See 
ENGINES
Plugged oil drain back holesRemove restrictions
Improper PCV valve operationReplace PCV valve
Engine oil level too highRemove e

Page 228 of 454

FORD FESTIVA 1991  Service Manual Fuel not injected into cylindersCheck fuel injectors, see FUEL 
SYSTEMS
No fuel to injection pumpCheck fuel delivery system
Fuel filter blockedReplace fuel filter
Fuel tank filter blockedReplace fuel

Page 229 of 454

FORD FESTIVA 1991  Service Manual VACUUM PUMP DIAGNOSIS 
FUEL INJECTION TROUBLE SHOOTING 
BASIC FUEL INJECTION TROUBLE SHOOTING CHART 
EGR valve malfunctionReplace EGR valve
Blocked or damaged exhaust systemRemove restriction and/or

Page 250 of 454

FORD FESTIVA 1991  Service Manual Back To Article 
GENERAL INFORMATION 
T ROUBLE SHOOT ING 
* PLEASE READ THIS FIRST * 
ENGINE PERFORMANCE 
TUNE-UP TROUBLE SHOOTING  NOTE:T his article is generic in nature and all inform ation does no

Page 251 of 454

FORD FESTIVA 1991  Service Manual FUEL INJECTION TROUBLE SHOOTING 
Se ve r a l  High  F ir in g Lin e s
Fuel Mixture UnbalancedCheck Fuel System
EGR Valve Stuck OpenClean/Replace EGR 
Valve
High Plug Wire ResistanceReplace Plug Wire
C