Chrysler New Yorker. Manual - part 667

TEST NTC-17A

CHECKING THE EVAPORATIVE EMISSION SYSTEMS

Perform TEST NTC-1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

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504

TEST NTC-17A

CHECKING THE EVAPORATIVE EMISSION SYSTEMS

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: CAREFULLY

START TEST INSPECT THE VACUUM 

NTC-17A. HOSE 

(A) FOR

PROPER ROUTING AND
FOR PINCHED OR...

A PLUGGED HOSE 

ALSO ENSURE THE

FROM THE ENGINE TO 

MANIFOLD VACUUM 

IS THE VACUUM HOSE 

NO 

REPAIR THE VACUUM 

THE PROPORTIONAL 

PORT IS NOT

AND MANIFOLD PORT 

SUPPLY AS 

PURGE SOLENOID.

PLUGGED OR DAMAGE 

OK?

NECESSARY.*

FIG. 1

IN ANY WAY. 

YES

DISCONNECT THE

USING A VACUUM PUMP,

VACUUM HOSES AT 

APPLY 10 INCHES OF 

DOES THE PURGE

NO 

REPLACE THE

THE PROPORTIONAL 

VACUUM TO THE PURGE

SOLENOID HOLD 

PROPORTIONAL PURGE

PURGE SOLENOID.

SOLENOID VACUUM 

VACUUM?

SOLENOID.* 

SOURCE PORT. FIG. 2

YES

WITH VACUUM STILL

DOES THE VACUUM 

APPLIED TO THE

DROP WHEN THE

NO 

REPLACE THE

SOLENOID, USE THE

SOLENOID IS 

PROPORTIONAL PURGE

DRB TO ACTUATE THE

ACTUATED?

SOLENOID.* 

PURGE SOLENOID.

YES

STOP ACTUATION

TO THE PURGE

DISCONNECT THE

A VACUUM GAUGE

TEST.

OUTPUT HOSE AT THE

PURGE OUTPUT HOSE 

INTO THE END OF 

CONNECT THE PURGE

PROPORTIONAL PURGE

(C) AT THE EVAP 

THE HOSE.

VACUUM 

SUPPLY SOLENOID CANISTER 

AND

HOSE...

FIG. 3

INSTALL... 

FIG. 1

CHECK THE VACUUM REPAIR 

THE PURGE

START AND IDLE THE

AT THE PURGE

IS THE VACUUM 

NO 

OUTPUT HOSE FOR AN 

ENGINE.

OUTPUT HOSE AT THE

ABOVE 10 INCHES?

OPEN OR RESTRICTION

EVAP CANISTER.

BETWEEN THE SOLENOID 

AND CANISTER.* 

YES

CONTINUE TEST 
NTC-17A ON THE

NEXT PAGE.

TURN IGNITION ON.

INSTALL DRB. 

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TEST NTC-17A

CONTINUED - CHECKING THE EVAPORATIVE EMISSION SYSTEMS

FIG. 1

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TEST NTC-17A

CONTINUED - CHECKING THE EVAPORATIVE EMISSION SYSTEMS

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST NTC-17A

TURN ENGINE OFF. 

DISCONNECT THE

CONTINUED FROM 

CANISTER OUTLET PORT 

THE PREVIOUS 

RECONNECT THE PURGE

VACUUM HOSE (D) AT 

PAGE.

OUTLET HOSE (C) TO THE EVAP 

CANISTER.

THE EVAP CANISTER.

FIG. 1

CONNECT A VACUUM 

START AND IDLE THE

REPAIR RESTRICTED OR 

GAUGE TO THE

ENGINE.

IS THE VACUUM 

NO 

DAMAGED CANISTER 

OUTLET PORT OF THE

BELOW 5 INCHES?

VENT TUBE (B). IF 

EVAP CANISTER.

NOTE THE VACUUM 

OK, REPLACE THE EVAP 

GAUGE READING. CANISTER 

YES

KEY OFF. PLUG THE

START AND IDLE THE

REPAIR THE VENT 

END OF THE CANISTER 

ENGINE.

IS THE VACUUM 

NO 

TUBE FOR AN OPEN 

VENT TUBE (B). 

GAUGE READING

OR LEAK. IF OK,

NOTE THE VACUUM 

ABOVE 10 INCHES?

REPLACE THE EVAP 

FIG. 1

GAUGE READING. 

CANISTER.

YES

CHECK THE HOSE (D)

NOTE: IF USING

GOING TO THE FUEL 

COMPRESSED AIR, DO 

TANK FOR

NOT EXCEED 5.0 PSI

RESTRICTIONS.

WHEN CHECKING FOR

RESTRICTIONS...

THROUGH THE FUEL 

IS THE HOSE OR 

YES

REPAIR AS 

TANK.

FUEL TANK 

NECESSARY. 

RESTRICTED?

NO 

TEST COMPLETE.

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