Chrysler New Yorker. Manual - part 659

TEST NTC-5A

CHECKING THE FUEL DELIVERY

Perform TEST NTC-1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

2.7L

3.5L

N

O

T

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O

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B

L

E

C

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E

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S

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S

472

TEST NTC-5A

CHECKING THE FUEL DELIVERY

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

USING THE

START TEST APPROPRIATE

NTC-5A.

SERVICE MANUAL,

RELEASE FUEL 

PRESSURE AND... 

CONNECT THE

NOTE: RECOMMENDED

RECOMMENDED FUEL TOOL 

6539 

. USE

PRESSURE GAUGE

BETWEEN FUEL RAIL 

(C-4799-B) TO THE

AND CHASSIS SUPPLY 

FUEL RAIL. FIG. 1

LINE. FIG. 2

KEY ON. USING THE

IS THE FUEL 

DRB, ACTUATE THE

RECORD THE FUEL 

PRESSURE BELOW

YES

PERFORM TEST 

ASD FUEL SYSTEM 

PRESSURE READING. 

SPECIFICATION? 

NS-4A. 

TEST.

FIG. 3

NO 

IS THE FUEL 

PRESSURE ABOVE

YES

REPLACE THE FUEL 

SPECIFICATION? PUMP 

PRESSURE 

REGULATOR/FILTER.* 

FIG. 3

NO 

PERFORM TEST 

NTC-5B.

(2.7L) 

N

O

T

R

O

U
B

L

E

C

O

D

E

T

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S

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S

473

TEST NTC-5B

CHECKING THE FUEL DELIVERY

Perform TEST NTC-5A Before Proceeding

NOTES

N

O

T

R

O

U
B

L

E

C

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D

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S

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474

TEST NTC-5B

CHECKING THE FUEL DELIVERY

Perform TEST NTC-5A Before Proceeding

*Perform Verification TEST VER-1A.

**Check connectors - Clean / repair as necessary.

START TEST 

NTC-5B.

STOP ACTUATION. 

NOTE: MAKE SURE 

THE GEAR LEVER IS 

IN NEUTRAL AND

START THE ENGINE.

PARKING BRAKE

ENGAGED. 

PLACE GEAR LEVER

IN DRIVE WITH 

BRAKE PEDAL

DEPRESSED. 

WHILE MONITORING THE

DID THE FUEL 

FUEL PRESSURE IS 

MONITOR THE FUEL PRESSURE,MOMENTARILY  PRESSURE 

DROP 

NO NORMAL.

PRESSURE GAUGE IN 

SNAP THROTTLE WIDE 

BELOW 35 PSI AT 

THE NEXT STEP.

OPEN RAISING RPM

ALL? 

TEST PASSED.

ABOVE 3000.

YES

RETURN VEHICLE TO 

INSPECT THE

RELEASE THE FUEL 

IDLE AND PLACE

CHASSIS FUEL 

IS THE LINE KINKED 

YES

PRESSURE.

GEAR LEVER IN 

SUPPLY LINE TO THE

OR RESTRICTED?

REPAIR THE FUEL 

PARK.

ENGINE FOR A KINK 

LINE AS 

TURN IGNITION OFF. 

OR RESTRICTION. 

NECESSARY.*

NO 

REPLACE THE FUEL 

PRESSURE 

REGULATOR/FILTER.* 

N

O

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

475