20 Most Recent 2003 Infiniti M45 Questions & Answers

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Check alternator. I think you got a bad one.

disconnected wire or bad sensor

you might need new valve guides

gas tank has the pump in it and the float leaver is stuck .turn car on and hit on the bottom of gas tank that might help release it

probably has a ballas that went out. changing the lights on that product is usually a pain in the ****. but over time some ballases will go out. simple fix but they will have to test voltage until the find where the problems begins.

sounds like a wiring problem unless you are a mechanic take it to a dealer

Did you check for DTC'S ? diagnostic trouble codes .Hook up a scan tool an check live input data to the control module for cruise control? Factory Service Manuals - NICOclub

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What colour is the smoke? The easiest way to check this is on first start when the engine is cold. This can give clues as to where the problem could be. is the vehicle doing anything else different? A blue exhaust smoke is commonly oil getting into the cylinders. White smoke suggests coolant getting into the cylinders. Black smoke is the engine running too rich. Blue or white smoke can often mean a blown head gasket. On a 2001 engine that could the most likely reason.

Looks like eBay is the only source. https://www.google.com/search?q=1996+Infiniti+Q45+V8+4.5+air+intake+tube https://www.ebay.ca/itm/313173877626 or these parts https://www.ebay.com/b/Air-Cleaner-Assemblies-for-Infiniti-Q45/43946/bn_1408274 ..

Bettie,Check these sites...https://duckduckgo.com/?t=ffab&q=+CODES+P0014+AND+P0024+ON+2009+INFINITI+FX35+&atb=v159-1&ia=webBest to you.As the one video says check oil level first.

the service manual covers all that, buy it or rent it? V8 Engine. 1996 Infinity Q45 scans said it bad, if not do not listen to dweebs saying it is bad blind, not told why you want to go there at all.? bank 1, KS-1 they are both mounted to the top of the bare engine block they are Microphones, no loose bolts rattling up there or loose cam chains. the main intake manifold must be pulled. (takes skills) facing engine bank 1 is right bank, cylinder 1 front there. KS1 is on same bank. left word below means drivers seat perspective see below KS1 is on the right facing the engine clear as day we see the intake manifold is gone. FRONT Of car IS HERE X it is big sandwich, remove the top things seen to get here.called gaining ACCESS to it. KS- sensors can lie you (scannned) chain on cam bad. lifter collapsed or worse, can happen, bent valves? do you hear noise (bad) form the engine, even at idle parked. NO MAN CAN GUESS YOUR SKILLS OR TOOLS NOR WHY YOU LANDED HERE, DWEEBS ON THE WWW INTERNET TOLD YOU? but I did answer how. not tools ,just where it is and what must come off. the block. do not break bolts (snap) removing them. I use pen oil and heat and more tactics. ask with 6mm bolts, there, it can be tedious. not wrecking those. now the SM words told (pasted)

1. Properly relieve the fuel system pressure.
2. Disconnect the negative battery cable.
3. Disconnect the air intake duct from the dual duct housing.
4. Unplug the electrical connectors from the throttle body, the step motor AAC valve and the exhaust gas temperature sensor.
5. Disconnect and label the hoses from the valve cover, the throttle body, the step motor AAC valve, the EGR control valve and the air cut valve.
6. If the spark plug wires are in the way, disconnect them and move them aside. Disconnect the accelerator cable from the throttle body.
7. Remove the upper intake manifold collector-to-intake manifold bolts, and lift the assembly from the intake manifold. Discard the gasket.
8. Remove the lower intake manifold collector-to-intake manifold bolts, in sequence, and lift the assembly from the intake manifold. Discard the gasket.
9. If the fuel injector assembly is in the way, perform the following procedures:
   1. Disconnect the electrical connectors from the fuel injectors.
   2. Disconnect the fuel injector assembly from the fuel lines.

1. Remove the fuel rail-to-cylinder head bolts.
2. Remove the fuel rail assembly from the engine.

Remove the intake manifold-to-engine bolts, in sequence, lift the intake manifold from the engine and discard the gasket. see that arrow red, it is inTHERE im told Olive OyL can get there , directly./(grin)

The average cost for an INFINITI Q45 Knock Sensor Replacement is between $954 and $1,055.

INFINITI Q45 Knock Sensor Replacement Cost - RepairPal

The problem is normally all the stuff you have to remove to get to it! https://www.google.com/search?q=infiniti+q45+cost+of+knock+sensor+replacement ..

53 lbs