[T3] loss of power & sputtering … need WOTG

[Mike Fisher]

"Some have the test port between the 1-2 injectors" ;-)

On Sat, Jul 28, 2012 at 1:53 PM, Mike Fisher <fisherfarms at gmail.com> wrote:

> I use a 0-100 lb water pressure gauge from Home Depot rigged with nipple
> and fuel hose to set my fuel pressure at 30lbs at the test port between my
> 3-4 injectors.  Some have the test port between the 3-4 injectors.  If
> there is any crud in your filter you should probably drain/filter/clean
> your gas & tank.
>
>
> On Sat, Jul 28, 2012 at 1:34 PM, Vern Creamer <vccreamer at cox.net> wrote:
>
>> Not too long after I returned from the Invasion, my 72 Fastback MT FI
>> started stuttering, stumbling, missing once the engine got warm.  Here are
>> things I've tried; looking for suggestions as to what I have missed.  I am
>> not an accomplished mechanic by any stretch; no suggestion is too
>> elementary.  The car runs OK when cold but has less power than normal; when
>> it gets warmed up, it's a real challenge to drive at all ... barely made it
>> home when testing.
>>
>> 1.  valve adjustment and oil change 300 miles ago
>> 2.  adjusted points gap
>> 3.  replaced spark plugs gapped at .028" (2 of the old ones were at .040"
>> upon removal; all 4 were the right light tan/gray color; #4 gap full of
>> dry, gritty material) ... ran better after this, until it gets hot
>> 4.  readjusted the Throttle Position Switch
>> 5.  cleaned out the vac line at the intake air distributor
>> 6.  retimed the engine following the Bentley instructions for the 72
>> including idle adjustments with the vac lines plugged and then after the
>> timing was set and the lines replaced.
>> 7.  tested the battery voltage at mid-range RPMs ... approximately 13.8V
>> 8.  checked to make sure the coil is wired correctly (terminals 15 & 1)
>> 9.  tested the coil output by holding the wire from the coil near the
>> engine block; spark is orange
>>
>> I am due for a fuel filter replacement, which I'll do this afternoon.
>> The distributor was rebuilt approx. 3,000 miles ago by Jim Adney and ran
>> GREAT for my 2,700 mile Invasion trip at 27.5 mpg.
>>
>> Some questions:
>>
>> 1.  What other kind of tests can I do to the coil?
>> 2.  Fuel pump issue?
>> 3.  Voltage Regulator replaced 13,000 miles ago, last May, with a
>> solid-state unit
>>
>> Vern Creamer
>> Elkhorn, NE
>> 72 Orange Fastback "Citrus" FI, MT
>> vccreamer at cox.net
>>
>>
>>
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>>
>
>
>
> --
> Eugene, Oregon
>
> http://s169.photobucket.com/albums/u236/mr_bojangles500/
>



-- 
Eugene, Oregon

http://s169.photobucket.com/albums/u236/mr_bojangles500/
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