LET'S FACE THE FACTS, 
Destroy
your reputation with the use OF ONE WAY
PRESSURE UNITS
LET'S FACE THE FACTS, Destroy
your reputation with the use OF ONE WAY
PRESSURE UNITS
( Aerosol pressure cans, Air pressure
cylinders of any type, to crimp off fuel return lines after the fuel pressure
regulator to be able to use this type of equipment, does
not work!)
EFI SYSTEM OR FUEL RAIL CLEANING AND THE USE OF FORCED "Rail
Cleaners." When you "ram" chemical into a fuel pressure
line towards the assumed blocked or restricted injector in an attempt to
unblock the injector, in doing so you must block
off the fuel return line to the fuel tank, otherwise the chemical disappears
into the fuel tank and therefore could not do the job.
I believe that you would agree with me that this is the method the mechanics must apply with their cleaning units on a motor vehicle, starting the engine, and then so on.
Sit down, and really think
about what is achieved!
This is what will happen.
1. The fuel pressure regulator diaphragm will become over stretched,
not been able to de-load fuel pressure on Idle.
2. The Regulator Housing then becomes bulged out, lowering the internal
spring pressure, lowering the original factory setting to control fuel
pressure in the system.
3. Dirt, rust, wax, resin, filter adhesives or papier can then be trapped
under the swivel seat inside the regulator housing, causing a permanent
leak back to the fuel tank with no residual holding pressure for an instant
engine start. (The regulator swivel seat will wear the exit pipe on
the edge)
4. Injector filter baskets filled with rust, dirt, wax, resin, filter adhesives
or papier, pieces of torn fuel hose particles from previous "push
on" filter at changes, paint flakes and many more nasties.
5. The car leaves the workshop worse than it come in, with a bad flat spot,
hard to start, bad driving or idle
characteristics.
This is what the customer will say:
I'm sorry our experience with the "EFI specialist"
has frightened me to the extent that I'm very reluctant to take the car
to someone without a good indication that they know what they are doing.
Let's face the facts:
1. If injector/s are blocked (restricted by resin/varnish/gum
etc), the fuel lines must also be contaminated.
2. The entire surface area of the fuel system must have a varying film
of build up, not just the inside of the injectors! You must agree? Otherwise,
why would you use this method to remove the deposits from the fuel system
anyway?
3. Say the surface area of a fuel system is approximately 2 square metres,
including the fuel tank, fuel lines, rails, injectors, regulators, fuel
filter, accumulator, fuel pump, and not to forget the blocked off fuel
return line to the tank. Would you agree with me that all these items in
the fuel system COULD be rusty, or at least be holding some water in the
cavities, such as: fuel distributors of K- Jetronic and so on.
4. Just think for a minute, if you loosen the resin/varnish/gum and rust
particles, to where do you push all these deposits? The return line is
blocked off, and the engine is running, all those deposits you hope that
you are cleaning off, do you really believe that they will pass through
the micro fine filter which is in the body of the injectors?
5. You will have noticed on some cars you must increase
the idle to even get the car running, and especially with K-Jetronic, if
you have not already damaged the seals on the outlet metering port, and
bent the chamber separation plate, you must consider yourself very lucky.
What about the warm-up regulator, the dirty return line, the fuel tank,
the pressure regulator, the pump and fuel accumulator, etc? All these items
you have not cleaned at all!
6. You will agree with me that this is not even half a job and still you
do not really know exactly what you have done. Many mechanics will tell
you honestly that they don't use the RAM system, as after using it and
checking the results it is permanently stored under the bench, NEVER to
be used again! Let's face it, to give an example, would you wash your dirty
feet and then put your dirty socks back on?
a. When you have completed the job do you know
what the flow rate is per injector, the fuel pump, or even of the entire
fuel system?
b. Do you know what the fuel pressure drop is per injector in m/sec,
or if all the injectors are compatible with each other!??
c. You do not know if water is in the tank or in the cavities of other
parts of the system, if the fuel system has an airlock, a regulator/accumulator
fault, and you do not know if all injectors open exactly at the same applied
voltage, or even if you have a vacuum loss!
d. The relationship of air flow meter vane spring tension at 100 kpa. fuel
pressure setting to check the synchronising engine and computer compensating
elements if they are 100% in balance.
e. This applies to vane type air flow meters, hot wire air mass meters,
Karman vortex and MAP sensor systems to be absolutely sure they are in
balance with the worn engine and providing the optimum efficiency in power
and fuel economy.
ALL this, and much more, have to be considered
when doing a satisfactory EFI service. You are not even a quarter of the
way successful to making a satisfactory fuel injection service, or even
a performance test if you come to a customer with an old outdated system
of " RAIL CLEANER"!
With INTER-JECT
fuel injection service instruments, plus the long kept secret in the servicing
technique you can do EFI servicing the professional way at a fraction of
the cost. The system is lots more efficiently than the off car fuel injection
cleaning methods, (Bench cleaning units, Ultra Sonic or the RAM AIR PRESSURE
system,) and by joining the INTER-JECT service team, you know that you
will have all the support and back up that you will ever need by phone
or computer disk or the Internet!