Mazda MX-6 1998, Руководство по ремонту

Страница: 252 / 1282

TROUBLESHOOTING [ENGINE CONTROL KL]
STEP
INSPECTION ACTION
37 FLOW TEST FUEL INJECTOR(S)
• Is leakage and flow within specification?
Yes DTCs P0171, P0174, P1130, P1131, P1150and P1151:
Go to next step.
DTCs P0172 and P0175:
Fault that produced DTC is an intermittent.
Go to ENGINE SYMPTOM TROUBLESHOOTING No. 27
with following data:
SHRTFT1, SHRTFT2, LONGFT1, LONGFT2 PIDs and list
of possible causes.
For DTCs P1132and P1152:
Go to step 41.
No REPLACE fuel injector.
RESET PCM to completely clear DTCs.
tr After Repair Procedure
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
38 INSPECT INDUCTION SYSTEM FOR AIR
LEAKS
• Inspect following areas for signs of air
leaks:
• Inlet tube(s) from air cleaner to throttle
body.
• Gaskets which seal upper and lower
intake manifold.
• Vacuum hoses and lines for cranks and
proper connections.
• Positive crankcase ventilation (PCV)
system.
• Are there any sings of leaks or damage?
Yes SERVICE as necessary.
RESET PCM to completely clear DTCs.
tr After Repair Procedure
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
No CONTINUOUS DTCs P0171, P0174, P1130 or P1150:
Fault that produced DTC is an intermittent.
Go to SYMPTOM TROUBLESHOOTING No. 27 with
following data:
SHORTFT1, SHORTFT2, LONGFT1, LONGFT2, 02S -11
and 0 2 S -2 1 PIDs and list of possible causes.
DTCs P1131 and P1130 or P1151 and P1150:
Go to next step.
39
CHECK CYLINDER COMPRESSION
Note
• Use Misfire DTC(s) displayed on prior DTC
retrieval to determine which cylinder to
perform compression.
• Check cylinder compression.
tr 01-10B COMPRESSION INSPECTION
[KL]
• Are cylinder compression readings
within specification?
Yes For DTCs P1131, P1130, P1151 and P1150:
Go to next step.
For DTCs P1132 and P1152:
Go to step 41.
Misfire DTCs displayed with fuel control DTCs:
Go to appropriate misfire monitor DTC.
No SERVICE as necessary.
RESET PCM to completely clear DTCs.
tr After Repair Procedure
COMPLETE OBD II Drive Mode.
RERUN OBD Test.
0 1 -0 1 B -4 6