Jeep J-10 Series 1982 Technical & Service Manual page 46

1A-8 GENERAL SERVICE AND DIAGNOSIS
Condition
ROUGH IDLE OR
STALLING
(Continued)
FAULTY LOW-
SPEED OPERATION
FAULTY
ACCELERATION
Service Diagnosis—Performance (Continued)
Possible Cause
(8) Exhaust manifold heat valve
inoperative (eight-cylinder
engine only).
(9) Choke binding.
(10) Improper choke setting.
(11) Faulty TAC unit.
(12) Air leak into manifold vacuum.
113) Improper fuel level.
114.) Faulty distributor rotor or cap.
(15) Leaking engine valves.
(16) Incorrect ignition wiring.
((17) Faulty ignition coil
(18) Clogged air bleed or idle passages.
(19) Restricted air cleaner.
11) Clogged idle transfer slots.
(2) Restricted idle air bleeds and
passages.
(3) Restricted air cleaner.
14) Improper fuel level.
(5) Faulty spark plugs.
<6) Dirty, corroded, or loose secondary
circuit connections.
(7) Faulty ignition coil wire.
(8) Faulty distributor cap.
11) Improper pump stroke.
t2) Incorrect ignition timing.
(3) Inoperative pump discharge check
ball or needle.
(4) Faulty elastomer valve. (Eight-
cylinder engine only.)
Correction
(8) Lubricate or replace heat valve
as necessary.
(9) Locate and eliminate binding
condition.
(10) Adjust choke.
(11) Repair as necessary.
(12) Check manifold vacuum and
repair as necessary.
(13) Adjust fuel level.
(14) Replace rotor or cap.
(15) Perform cylinder combustion or
compression test, repair as necessary
(16) Check wiring and correct as
necessary.
(17) Test coil and replace as necessary.
(18) Clean passages.
(19) Clean or replace air cleaner.
(1) Clean transfer slots.
(2) Clean air bleeds and passages.
(3) Clean or replace air cleaner.
(4) Adjust fuel level.
(5) Clean or replace spark plugs.
(6) Clean or tighten secondary circuit
connections.
(7) Replace coil wire.
(8) Replace cap.
(1) Adjust pump stroke.
(2) Adjust timing.
(3) Clean or replace as necessary.
(4) Replace valve.
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