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1988 Mazda RX7 Emissions

Tiny
BGBUR98
  • MEMBER
  • 1988 MAZDA RX7
Engine Performance problem
1988 Mazda RX7 Two Wheel Drive Manual 100000 miles

I am restoring this rotary classic and have into some trouble with the emissions. There is a three way check valve located near the gas tank. On end goes into the tank, another to the charcoal canister and the third into the undercarriage of the car. The part that goes into the undercarriage has snapped as the plastic is so old. Is this an important hookup or can it be replaced?
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Wednesday, December 2nd, 2009 AT 2:59 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
That hose goes to the intake manifold and without it evap does not work
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Wednesday, December 2nd, 2009 AT 3:12 PM
Tiny
BGBUR98
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  • 2 POSTS
That hose goes nowhere. There is literally a plug in the rail of t he frame and a plastic plug that the hose connects to.
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Wednesday, December 2nd, 2009 AT 10:06 PM
Tiny
DOCFIXIT
  • MECHANIC
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It gose to the intake some one has pluged off. Tube goes through frame and to right side of intake. Pull off plug engine running vacuumn should be present. The valve is purge control removea gas fumes through canister the into intake where it is burned.
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Thursday, December 3rd, 2009 AT 9:25 AM

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