Lindertech

[Geoff & Sue Richards]

Anybody have opinions or know of pc based scan tool from Lindertech
http://www.lindertech.com/tools.htm#info
I also found this and thought maybe or not someone wants to read?


Shorted MULTECS may cause a hesitation along with low O2 voltage.
Surge on a GM 3.8 Liter after TCC lockup - suspect the injectors are lean.
TBI pressure regulator springs will rust at high mileage - REPLACE.
Ford injectors are more prone to plug & restrict with mileage.
Fuel pumps need 1/4 tank or more of fuel for correct pump operating
temperature.
Injectors are NOT matched on SOME 4.3L GM for manifold trim.
GM dual TBI injectors should ohm at 2.2 OHMS @ 150°F.
VORTEC pumps MUST draw 7.5 - 10.5 AMPS to be good.
On a scope, a plugged injector looks like a vacuum leak with a sloping
upward spark line.
Ford Tempo TBI has an inlet screen (part # E53Z-9F525-A) that will cause a
lean mix when restricted.
Code 42 on GM can be caused by shorted injectors !
A defective Ford alternator may make injectors run RICH !
TBI exhaust manifold glows RED, suspect defective injector.
Leaking injectors may be found by disabling ignition, unhooking all
injectors and checking exhaust for hydrocarbons while cranking engine. MAX
HC = 300 PPMS.
Fuel filter has flow direction and if it is installed backwards it may act
like a restricted exhaust.
Fuel pump ground is more critical on high output pumps.
Defective or hardened injector o-rings can cause hard hot restart.
Carbon on throttle plates cause extended crank time on a cold start.
Ford TBI fuel pumps draw about 3 AMPS, MPFI is about 5 AMPS.
Carbon on valves will cause hard starting cold.
Low IAC counts indicate a vacuum leak or misadjusted minimum air rate or low
fuel pressure.
High idle on dual TBI units, suspect the base gasket.
Wrong PCV valve may cause low IAC counts.
Always check injector supply voltage cranking and running.
A shorted injector may cause a problem on another cylinder due to injector
pairings in a parallel circuit.
A shorted injector may run OK under normal electrical loads and poorly under
higher voltages. Lower voltage at battery and listen to tailpipe.
A noid lamp must be used with CAUTION ! The computer may show a good noid
and have low supply voltage.
A good MULTEC will draw less than 1 AMP of current, a bank of three must
draw less than 3 AMPS.
If a misfire goes away with propane added, suspect a lean injector.
All injectors have a final filter (approx. 10 micron) that will restrict
over time !
Cheers
Geoff

geoffsue at one.net.au
http://www2.one.net.au/~geoffsue
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