Turbocharger; Engine Has Less Than Normal Power - Isuzu 4JB1 Service Information

00 – 20 SERVICE INFORMATION
Checkpoint
Air cleaner
OK OK
Intake pipe and hose
OK
Compressor/Intake manifold
OK
Exhaust manifold/turbine inlet
OK
Exhaust piping and silencers
OK
Air breather
OK
Boost compensator
(Injection pump)
Continued on the next page

13. TURBOCHARGER

1) ENGINE HAS LESS THAN NORMAL POWER

Trouble Cause
NG
NG
NG
Loose (Leaking)
NG
Loose (Leaking)
NG
NG
NG
Restricted
Restricted
Restricted
Restricted
Defective
Countermeasure
Clean or replace
Clean or replace
Repair
Repair
Clean or replace
Clean or replace
Repair or replace