Re: 700R4 TCC Solenoid bad? (limited EFI content)

[Roger Heflin <rah@horizon.hit.net>]

On Wed, 15 Mar 2000, Patrick G. Moore wrote:

> I wasn't going to say anything, but this sort of symptom happened on my 87 3.8
> when the coil pack was going bad.  During cruise, a light load increase would
> cause it to buck.  Give it some gas or downshift and it seemed to run ok.  It
> got worse and worse over time.  Fuel injector cleaner seemed to help a couple of
> times, so I put recond injectors in.  That didn't help.  Timing light on the
> plug wires showed spark.  Finally replaced the coil pack anyway and it was
> fixed.  I don't know how to test a coil pack easily except to see if the
> resistance is the same on all coils.

Just about any miss I have found seems to manifest itself most at
light throttle with the TCC locked.   The car shutters when the TCC is
locked.   Just a slight increase in the throttle and the car shutters
pretty bad.

				Roger

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