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Infiniti Q45 Rough Idle Diagnosis

December 10, 2009 by Greg

Resolving Rough IdleBy Jesda Gulati Fuel Injectors – Bad gas or regional mixtures tend to result inearly injector failures. A fuel smell in the cabin also hintsat injector problems. Non-OEM injectors are not recommended.Learn how to test your injectors Fuel System- Purchase a can of BG44kfrom Infiniti of Scottsdale and add it to a 3/4 […]

Filed Under: Q45 Articles Tagged With: crank angle sensor, fuel injectors, fuel system, infiniti.q45, injector problems, mass air flow sensor, o2 sensors, oxygen sensors, throttle body, throttle position sensor

1997-2001 Q45 O2 Sensor Replacement

December 10, 2009 by Greg

Y33 O2 Sensor Replacement By:bullittandy Just finished the O2 sensors (all 4) on my 97 Q45. Here’s a heads up for others attempting the job. WD-40 / PB Blaster MUST be used! Don’t try to do anything until the sensor nuts have soaked for at least 30 minutes but the longer the better (I soaked […]

Filed Under: Q45 Articles Tagged With: how to, o2 sensor, o2 sensors, q45, sensor replacement, y33

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