Page 638 - Foton Workshop Manual - Tunland (AT)
P. 638
04-492 DIAGNOSTICS - ENGINE CONTROL SYSTEM
(b) Use the exhaust back pressure gauge to check whether the exhaust pipe blocks up
or leaks.
Is the inspection result normal?
YES>To step 8.
04 No> Clean, repair or change the default parts.
8 . Check postprocessing DPF.
(a) Check whether postprocessing DPF is damaged or not.
Is the inspection result normal?
YES>To step 9.
No> Clean, repair or change the default parts.
9 . Check crankcase ventilation system
(a) Check whether the crankcase PVC ventilation system can work normally.
Is the inspection result normal?
YES>Complete the diagnosis and the system is confirmed to be normal.
No> Clean, repair or change the default parts.
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