Well, based on the zero responses my two mails I guess no one else knows
what a throttle jack is! :-)
Looking at the VicBrit catalog it appears that the little switch dangling
from the engine wiring harness is actually supposed to be screwed to
something. The manual I have (my Haynes hasn't gotten here yet) doesn't show
where though.
Any help appreciated.
jvr
At 10:05 AM 6/19/96 -0500, you wrote:
>Car: 79 TR7 dhc federal duel Zeniths.
>
>Problem: My car backfires when shifting (1-2,2-3) and accelerating at a
>reasonable pace.
>
>The piston on my throttle jack solenoid doesn't move. I understand that its
>purpose is to slow down the retraction of the throttle when you let off the
>gas to prevent/reduce backfiring.
>
>My car also has a hollowed cat. The air pump had frozen up and the air
>injection holes were plugged by bolts. I was able to take the air pump apart
>and get it going again. I don't remember the car backfiring so much before I
>put the air pump back on.
>
>Could either or both of those be the cause of the backfiring?
>
>Also, there is a little switch hanging from wires under the carbs. What's it
>for?
>
>Thanks,
>jvr
>
>Jim Van Riper
>95 Pontiac Firebird Formula Convertible - DrkGrn, TanLeather, M6
>79 Triumph TR7 Convertible - DrkGrn, TanCloth, M5
>70 Jaguar XKE Convertible - Robin's Egg Blue (ick), BlackVinyl, M4
>94 Pontiac GrandAm GT 4dr (wife's)
>
>
>
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