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

R

O

U
B

L

E

C

O

D

E

T

E
S

T

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

E
S

T

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

O

D

E

T

E
S

T

S

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