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MTI · 07-26-2004, 01:24 PM

Poor mileage, rough idle . . . check the O2 sensor and the connections from the sensor to the CIS; check the other sensors that provide the CIS with info, like the temp sensor for the intake and other parts of the system. Hopefully, to rule out the cheap stuff first.

07-26-2004, 01:24 PM	#2 (permalink)
MTI BenzWorld Elite Date registered: Aug 2002 Vehicle: '85 2.3-16 '99 C280 Location: Honolulu, Hawaii, USA Posts: 2,688	RE: Bad Idle and milage Poor mileage, rough idle . . . check the O2 sensor and the connections from the sensor to the CIS; check the other sensors that provide the CIS with info, like the temp sensor for the intake and other parts of the system. Hopefully, to rule out the cheap stuff first.