20 Most Recent 2007 Infiniti I35 Questions & Answers

I believe there are two 02 sensors.

let motor warm to operating temperature , Pull dipstick for tranny , clean off, insert back into hole again pull out read the bottom will show fluid level (do this with engine running

have it checked by an A/C specialist you could be out of freon he will know what to check for

go to autozone.com and register for free.
Then login, go to Repair Guides, and you will have a full free online repair manual for this car!

There are so many things that can cause this. What you really need is access to a real scanner, not a code reader, and look at the live data. Look at fuel trim and see what it is doing. If it is taking fuel away, there is something causing an over-fueling condition. If it is adding fuel, then you are actually driving a little lean, but compensating for it by adding fuel with the accelerator, causing loss of fuel economy. Looking at the fuel trim, along with the actual data readings for the MAF, Oxygen sensor(s) and other variables you can have a better idea of what is going on under the hood. Unfortunately, these things are more and more requiring electronic monitoring for diagnostics, unlike years past when we could just about overhaul the car with a screwdriver, a couple of wrenches, a hammer and a pair of pliers. Happy motoring

isa this car a ford or what make as i might be able to tell you how to reset the key failing which call the dealer

use a scan tool borrowed from parts store, and / or use this procedure. https://www.youtube.com/watch?v=CR-AjHCslhs

As you have probably discovered, the diagram isn't included in the Owner's Manual (http://www.downloadcarmanuals.com/1997-infiniti-i30-owners-manual-download) or even the service manual (Infiniti I30 and I35 Factory Service Manuals NICOclub). It looks like the layout is the same as the Maxima from that era: The 1998 layout is the same, although I'm not sure whether the actual lid/door will fit- 98 1998 Infiniti I30 Gray Fuse Block Cover Lid Door Panel Bezel OEM M88... 98 1998 Infiniti I30 Fuse Block Cover Lid Door Panel Bezel OEM 68964 eBay

check the oil strainer

Is check engine light on? Get the codes rrad with a obd2 scan tool and google sesrch the codes.

check for p030x code also the trans can make the noise you describe when it has no malfunction.

Time for a tune-up at the pro shop.