no problem as long as it is unlead gas,i filled up with my 2002 qx4 and find no big difference as the 91 premium gas.
There is no inertia fuel pump safety switch in a 1997 Infinity qx4 3.3L 6 cylinder engine.
Below the engine
A 1999 Infinity Qx4 has an engine oil capacity of 6 quarts. The Infinity uses 10 W 30 engine oil. This oil can be purchased at any auto parts store.
where is the fuse panel in a Infinity QX4
5 1/4 quarts
It could be the bearing in your tension pulley.
Oil filter in an Infinity QX4 1997 is found underneath the engine. The plastic cover that hides the whole engine from below should be removed and there the filter can be seen.
where is the pcv valve located at and what does it look like on a 2001 infinity qx4?
Timing chains will normally last the life of the engine. You replace it when the engine is overhauled or if it becomes noisy.
According to the Gates website ( they make timing belts etcetera ) the 3.3 litre V6 engine in a 1999 Infiniti QX4 has a timing BELT
6x139
All variations of headlights on the 2001 Infinity QX4 are universal parts and can be purchased at various locations. See sources and related links.