EGR, BPAV, Air Control Valves, & Emission Solenoids

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EGR Valves

(Exhaust Gas Recirculation)

When these are bad, they usually give a vacuum leak which results in a rough idle. We have not done any of the '80's for a while, but are doing a lot of the '86-88 non-turbo's. These are buried under the intake manifolding - so we always check them if we are down there for any reason. Here in California, the car can not pass the smog test if the valve is not working.

EGR (Exhaust Gas Recirculation) Valves
(Generic image)	Part Number	Year(s)	Fits
	13-9500-8344	1980	California 12A only
	20-300A-N326	86-88	Non-turbo 13B
	No Longer Available	86-88	Turbo
	20-3000-N3A1	93-95	Twin Turbo (49 state)
	20-3000-N3A3	93-95	California only (w/sensor)
Gaskets for above EGR Valves
	All non-turbo 80-88		20-305A-N326
	Turbo 86-88		20-3050-N3Y4
	All 93-95		20-305A-N3A1

Gaskets for above BPAV Valves
BPAV Valves (By-Pass Air Valve)
(Generic image)	Application	Part Number
	86-88 Non-turbo	20-6600-N326
	86-88 Turbo	20-6600-N332
	89-92 Non-Turbo	No Longer Available
	89-92 Turbo	20-660A-N370
84-85 GSLSE BPAV Valve
Image Soon	Valve	No Longer Available
Image Soon	Solenoids These control the valve with vacuum. They are the typical culprit to a non-functional BPAV on a GSLSE	13-2400-N304
Image	Application	Part Number
	84-85 GSLSE	13-7210-N386
	86-88 All	20-661A-N326
	89-92 All	20-6610-N3B1
	93-95	20-6610-N3A1

Air Control Valve
Large back-fire on deceleration and/or between shifts usually means this valve is "no good" especially on 79 & 80 RX7's. Also, if the car will not pass an emissions test, this is the culprit 90% of the time. If your O2 reading is less than .5% and HC and/or CO is high, this is your problem.
The table below is NOT a complete listing. If you do not see your exact one listed, or are unsure, please call as they are different depending on Manual vs. Automatic, Calif. vs Federal, etc. and VIN dependent.
79-92 (93-95 Manaul Only)	Part Number	Year(s)	Engine	Fits
	13-720-8871	79-80	12A	No Longer Available
	13-7200-N203	81-82		All NOT California emissions
	13-7200-N231	83		All NOT California emissions
	No Longer Available	81-83		All California
	13-720B-N251	84-85		No Longer Available
	13-720B-N304	84-85	13B	All GSLSE
	13-9900-N326	86-88		Non-Turbo Manual Trans
	No Longer Available	86-88		Non-Turbo Automatic
	13-9900-N332	87-88		Turbo only
	No Longer Available	89-92		Non-turbo
	No Longer Available	89-92		Turbo Only
	13-9900-N3A4	93-95		Automatic Only
	13-9900-N3A3	93-95		Manual Only
Air Control Valve Gasket
	13-724A-N201	81-92 NT	All Non-Turbo
	13-9960-N386	86-92 Turbo	All Turbo
	13-9960-N3A3	93-95 TT	All Twin Turbo

Air Control Check Valve
	All Years, All Engines	13-7300-1480

Anchor coming in from Headers page

Air Control Block-Off Plates
	74-75 Intake Manifold	16326
	79-80 Intake Manifold	16321
	81-92 Non Turbo Intake Manifold	16325
	86-92 Turbo Intake Manifold	16328MZ
	80 California, 86-88 Turbo and Non-Turbo EGR Cover Plate	16323
	79-80 Heat Exchanger Air Inlet	16320
	93-95 Air Control Valve Cover Plate	16329MZ