EGR, BPAV Valves and Solenoids

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
	No Longer Available	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

BPAV Valves (By-Pass Air Valve)
(Generic image)	Application	Part Number
	84-85 GSLSE	No Longer Available
	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
Gaskets for above BPAV Valves
	Application	Part Number
	84-85 GSLSE	13-7210-N386
	86-88 All	20-661A-N326
	89-92 All	20-6610-N3B1

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	12A	All NOT California emissions
	13-7200-N231	83	12A	All NOT California emissions
	13-7200-N201	81-83	12A	All California
	13-720B-N251	84-85	12A	No Longer Available
	13-720B-N304	84-85	13B	All GSLSE
	13-9900-N326	86-88	13B	Non-Turbo Manual Trans
	13-9900-N327	86-88	13B	Non-Turbo Automatic
	13-9900-N332	87-88	13B	Turbo only
	13-990A-N350	89-92	13B	Non-turbo
	13-990A-N370	89-92	13B	Turbo Only
	13-9900-N3A4	93-95	13B	Automatic Only
	13-9900-N3A3	93-95	13B	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

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Turbo Control on ACV (not listed above)	18-7410-N3A1

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