DELPHI EFI Code 0172 Code 0174 Code 0201 43 24 690 01 Rev. D KohlerEngines.com Component: Fuel System Fault: Minimum adaptation limit exceeded Condition: Too high pressure at high pressure fuel line, TPS malfunction, shorted connection, faulty sensor or fuel pump module failure. Conclusion: Oxygen Sensor Related Ɣ6HQVRUFRQQHFWRURUZLULQJ Ɣ6HQVRUFRQWDPLQDWHGRUGDPDJHG Ɣ3RRUJURXQGSDWK Ɣ3LQFLUFXLWZLULQJRUFRQQHFWRUV ECU Black pin 10 or 17. TPS Sensor Related Ɣ7KURWWOHSODWHSRVLWLRQLQFRUUHFWGXULQJ Learn procedure. Ɣ736SUREOHPRUPDOIXQFWLRQ Engine Wiring Harness Related Ɣ'LIIHUHQFHLQYROWDJHEHWZHHQVHQVHG voltage and actual sensor voltage.
Ɣ3UREOHPLQZLULQJKDUQHVV Ɣ(&8WRKDUQHVVFRQQHFWLRQSUREOHP Systems Related Ɣ,JQLWLRQ VSDUNSOXJSOXJZLUHLJQLWLRQ coil). Ɣ)XHO IXHOW\SHTXDOLW\LQMHFWRUIXHO pressure too high, fuel pump module or lift pump). Ɣ&RPEXVWLRQDLU DLUFOHDQHUGLUW\ restricted). Ɣ%DVHHQJLQHSUREOHP ULQJVYDOYHV Ɣ)XHOLQFUDQNFDVHRLO Ɣ)XHOSXPSPRGXOHLVRYHU¿OOHG Ɣ/LIWSXPSGLDSKUDJPLVUXSWXUHG Component: Fuel System Fault: Lean fuel condition &RQGLWLRQ )XHOLQOHWVFUHHQ¿OWHUSOXJJHGORZ pressure at high pressure fuel line, TPS malfunction, shorted connection or faulty sensor. Conclusion:
TPS Learn Incorrect Ɣ/HDQFRQGLWLRQ FKHFNR[\JHQVHQVRU signal with VOA and see Oxygen Sensor). Engine Wiring Harness Related Ɣ3LQFLUFXLWZLULQJRUFRQQHFWRUV ECU pin Black 10, 12, 16 and 17. Low Fuel Pressure Ɣ3OXJJHG¿OWHUV Ɣ%DGOLIWSXPS Oxygen Sensor Related Ɣ6HQVRUFRQQHFWRURUZLULQJSUREOHP Ɣ([KDXVWOHDN Ɣ3RRUJURXQG Poor system ground from ECU to engine, causing rich running while indicating lean. Fuel pump module connection. See Fuel Components. Component: Fuel Injector Fault: Injector 1 Circuit Malfunction Condition: Injector damaged or faulty, shorted or open connection. Conclusion:
Injector Related Ɣ,QMHFWRUFRLOVKRUWHGRURSHQHG Engine Wiring Harness Related Ɣ%URNHQRUVKRUWHGZLUHLQKDUQHVV ECU pin Black 5. Ɣ:LULQJIURP,JQLWLRQ ECU Related Ɣ&LUFXLWFRQWUROOLQJLQMHFWRUGDPDJHG