Fuel
Injection related
FI
ecu operation info
FI
2.3 LH/EZK
ecu, pinning and diag connection 
FI 2.2 LH / EZF ecu information (pre 1987 model)
FI
ecu problems
FI
ecu rebuild info
FI
ecu: how it learns
FI
ecu LH part numbers
FI ecu LH part numbers and eprom numbers
FI
ecu trouble
shooting
FI
ecu repair suppliers
FI ecu repair (928-ecu-repair)
FI ecu repair (Achim Mueller/Rich Andrade)
FI
ecu repair and FAQ
FI
ecu fuel pump relay dead
FI ecu placing Performance Chips
FI ecu power flow
FI ecu Chip Tuning
Fuel Injection LH / EZK ecu background
Fuel Injection K series / CIS (links)
Fuel
Injector Info
Fuel
Injector Removal help
Fuel Injector Service
Fuel Injector Wiring
Fuel Injector Cleaning using Sta-Bil
Fuel Injectors clicking
Fuel Injector Specs
Fuel
Pressure
Fuel Specifications (RON/ROZ)
Fuel
Tank
Fuel
Tank vent and leaks
Fuel
Sender removal
Fuel
Gauge calibration
Fuel
Pump/pressure
Fuel
Pump power
Fuel
Pump dissection
Fuel Pump repair (intank)
Fuel pump hose repair (intank)
Fuel Pump troubles
Fuel Pump part numbers and equivalents
Fuel Pump relay bypass
Fuel
Rail disassembly
Fuel
Pressure, flow, and octane coding
Fuel
Pump relay jumping
Fuel Filter replacement
Fuel dampers background
Startup
mixture
Badly running, fuel quality related
O2
sensor reading
O2
sensor wiring / removal
O2
sensor failure and diagnose
O2
sensor operation /Replacement
O2
sensor controlling Emission and Fuel Economy
O2 (lambda) sensor FAQ
O2 lambda
Sensor operation and legal inspection
O2 adjustment on non CAT LH equipped cars
O2 Bosch Oxygen Sensor
How to build a Lambda and MAF
meter
Vapor
Lock
How
to prevent Detonation
Gas
tank removal
Warm up regulator pre-S4 928 models
MAF
related
Adjusting
the MAF meter
Malfunctioning
MAF
MAF
and O2 sensor loop with the FI computer
MAF
repair and FAQ
MAF defects and K&N filters
MAF datasheet
MAF diagnose
How to build a Lambda and MAF
meter
Temp
and Cooling related
Overheating,
flaps, fins, thermostat
Cooling
Airflow and trouble shooting
Overheating trouble shooting
Cooling
fan speed control
Engine overheats at idle
Temp
and Over temp problems
Temp
Gauge
Hard
cold start (temp sensor)
Engine
overheated, won't start
Thermostat
installation
Thermostat operation in a 928
Erratic
temperature control
White
smoke, elbow fitting at right head leaking
Radiator Picture and dimensions
Radiator side tanks fix
Radiator side tanks repair / core exchange
Radiator types en dimensions
Fan clutch
silicone fluid pre-S4 models (from Toyota)
Fan motor
reconditioning
Fan running problems
Temp
I and II Sensor
Temp
II Sensor problems
Temp Sensors
Temp
and cooling flaps control
Temp readings (actual measurements)
Flap control schematic
Coolant
level sensor
Coolant temp sensor
Coolant flush and options
Coolant drain and change
Coolant erratic alarm warning
Coolant Temp alarm troubleshooting
Coolant boils
Air
bubbles in Cooling system
Cooling
System Stop Leak ok?
Coolant types and mixing
Dexcool
and <Green to Orange> conversion
RedLine
Water Wetter
Glysantin_G48_coolant
Glysantin Marketing Doc.pdf
Glysantin Mischung.pdf
After cooling when engine is shut down
Huge amount of white smoke
Water pump
Broken
bolt and broken tap at Water pump
Water pump mounting holes layout
Water pump differences
Water pump bearing
Water pump new style
Water pump disaster
Motor
Mounts
Motor
mounts repair
Motor
mounts seizes
Motor mounts replacement, no crossbar removed
Motor mounts by Volvo
Idle
Idle
Stabilizer
Idle Stabilizer: two versions
Idle
speed surge
More
on Idle speed surge problems
Rich fuel mixture?
Engine
Stalling
Fast
Idle speed
Idle
Stabilizer Valve picture and numbers
Unstable Idle diagnosing
Idle troubleshooting
Idle too high
Idle & CO Adjust on LH2.2 models
The
Vacuum system (HVAC)
Diagnosing
the Vacuum system
Vacuum
leaks diagnose
Flappy connection and vacuum line routing
Vacuum hose routing 1985-1986 and 1987
Miscellaneous
All
the filters and their replacements
Air
pump / smog pump
Air pump removal
Air pump Rebuild
Front
Engine Tear down
Emissions
and understanding them
Replacing
the foam under the hood
Broken
Bolt
Inserting
a Heli Coil
Silicone
Sealant
Removing
the head while engine in the car
Compression
test
Rev
limits of the 928 engines
Engine warm up wear and lubrication
Bent Strut brace - '89
Engine numbers and location
Aluminum welding and repair
OEM ersatz teile (Bosch u.a.)
Bearing equivalents
Engine cover new style
Belts
(not timing belt)
Belt
sizes and specs
Belts tension settings
Exhaust
It
is not just Pipes (Tom Cloutier)
3-way cat operation, High Flow cats
RMB pipe
Exhaust weights
928 Tech Tips
Inside the intermediate silencer Lightweight GT/CS
exhaust pictures
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Timing
Belt
related
Timing
belt warning light
Timing
belt tensioner warning delay
Timing
belt issues and tensioner
cnt'd
Tensioning the T-Belt
T-Belt Tensioner
T-belt tensioner "Kundendienst Info"
T-Belt
Tensioner- how it works
Adjustable
Belt Tensioner
T-belt pivot arm bushings
T-belt
tension tool
Timing Belt specs
Timing
Belt tips
on replacing
Timing
Belt
replacement trick
Timing Belt Dont's
Timing
Belt
for dummies (78-84)
Timing
Belt adjusting made easy
Timing
Belt
shopping list for a 928GTS
Timing
Belt job essentials Porsche 928
Timing
Belt failure & cam sprocket wear
Timing Belt replacement by John Pirtle
Timing Belt Resources2
Timing belt Rollers
Why can you only turn the engine in one direction?
TDC
position / 45degree position
TDC
position indicator explained
TDC
position locating: a method
Re-aligning
the cams to the crankshaft
Water
pump rebuild
Water
pump pictures
Water
pump and Tensioner Bolts
Removal
of harmonic balancer
S4
Fan Shroud
S4
Fan Shroud more on removing
Flywheel lock
Starting
Problems
Starting basic operation step by step
928EngineControl by
Rich Andrade
Crank
Crank
bearing 2/6 failing due to Oil starvation
Crank bearing 2/6 failure root cause analysis
Crankshaft
pulley bolt
Crank front seal replacement
Crank end/play check
Thrust Bearing
failure theory
Thrust Bearing Failure
Thrust Bearing
Failure and Flex Plate pre-load
Thrust Bearing
play check
Thrust
Bearing / torque tube failure
Thrust Bearing early diagnose
Thrust bearing symptoms and diagnose
Torque Tube clamp alternative (TBF related)
The Flexplate investigation
The Flexplate clamp migration: more ideas
Flexplate clamp new design
Loosening a Loctite'd Torque Tube Clamp
Cross drilled Crank pictures
Crank position sensor
Crank or Flywheel lock
Crank oiling, oil level and level sensor
Rods and special XZN (conrod) nuts
Oil separator Provent
Camshaft /
Valves
Cam
gear positioning and T-Belt
Cam
gear timing adjustment
Cam
and valve timing data
Cam
shaft seal replacement
Cam
Timing info
Cam Timing (928 four valve) for humans
Bent
valves leak down test
Death
rattle from Timing Chain Tensioner
Chain Tensioner
Chain tensioner and guides
Camshaft Tensioner pads on a 944 (similar to 928)
Camshaft alignment tools
Noisy
lifters
Noisy
lifters/ check valve cleaning
Noisy lifters/ camshaft oil feed plug gone
Hydrostoessel repair
Tappets cleaning
Valve
knocking when cold
Valve
Clatter or Low Octane level (pre-detonation)
Removing the Valve Cover
Crank breather modification
Valve cover bolt sheared off
Intake
Intake
Manifold
Intake seal kit
Under
the Intake
Under the intake (pictures)
Intake
removal tips
Intake open pictures
Intake Powder Coating Guide 87-95
Flappy
questions
Flappy
design and HP
Flappy
bearings
Flappy connection and vacuum line routing
Flappy vacuum solenoid
Getting
hands under the intake
Air
Filter Cartridge
Air Filter Cartridge ... which way up?
Air
Filter comments and K&N debate
Crankcase breather (ventilation)
Intake removal instructions
Oil under the intake
Throttle position switch
Throttle position switch test
Throttle cable assembly
Throttle
cables design and adjusting
Throttle valve (plate) adjust
Early 928 airflow sensor
Intake tubes (hose) alternative MB
Oil
Oil
Pressure
Oil Pressure sender
Oil Level sensor
Oil in the crank, oil level and level sensor
Oil
Pan Gasket Ponderings
Oil
Pan Gasket alternatives
Oil
Pan Gasket pressure and replacement
Oil
Pan bolts Torque
Oil pan insert in o/s model
Oil pan differences
Oil Drain plug
Oil Drain plug Fumoto
Oil filler neck
Oil cooler for engine oil
Oil cooler lines leak
Oil pump repair
Oil thermostat for the Oil cooler
Oil
type choice
Oil approvals by Porsche
Approved-Oil-List-2006
Castrol 10w60
LiquiMoly 10w60
Mobil_1_Product_Guide
Oil 0w-40 or 5w-50 or 20w-40 or 10w-60 ???
Oil info (by Doug Hillary)
My Oil choices at annual replacement
Oil Tech, Choices and background
Replacing
the Fluids and Oils
Priming the oil pump and oil passages
GTS oil consumption
Oil consumption and compression - leak down test
Oil consumption - DIY oil separator
Electrical
Engine related
Fault
codes The
Diagnostic tool and fault codes Init
Codes on Digital POD
Fault code 1214
Start
problems and power connections Ignition/Switch/Starter
problems Engine
not turning over
Limp
mode
Limp mode diagnosis
Limp mode (Running only on 4 cylinders) Sometimes
it won't start: starter relay S4
control unit coding (GAS octane)
Starter motor assembly and mounting location
Ignition
Plug
wires Plug
wire resistance
Ignition wires
Plug wiring and ignition sequence Spark
Plugs (extensive info)
Beru Spark Plugs info
Spark Plugs selection Bosch for GTS
Spark
Plus Appearance Analyze
Spark plugs stuck
Distributors and rotors
Ignition
Coils and power stage
Retarding
during AT shifts
Ignition monitoring relay, Limp mode
Ignition Circuit Monitoring Relay
Ignition Monitoring Relay Internals
Ignition Monitoring Relay Thermo Elements
Ignition Monitoring System diagnosing
Ignition monitoring and Broken Central Tube Shaft
Ezk Brain placing Performance Chips
Ezk Chip Tuning
Mis Firing of non Firing ignition
Severe hesitation and rough idle
Sudden ignition cutouts for a brief moment
Engine running extremely violent and vibrating
Knock sensor blues
Knock sensor, loss of power
Knock sensor equivalents PORSCHE
928 Hall
(camshaft position) sensor
Hall sender
Hall sender
Hall sensor test
TDC Crank position Sensor
TDC sensor removing
Ignition switch assembly
Ignition power stage
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