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I35

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Question
belts could not be changed because they couldn't not be removed by mechanic
Nissan and Infiniti vehicles usually require you to adjust two different bolts to remove the belt. The two bolts are the lock bolt and the adjustment bolt. These bolts are usually located on the power steering pump or the alternator....
Question
pinging in engine
It is possible that your ignition system could be causing this issue. The combustion of fuel is a two part process: the introduction of fuel and the ignition of fuel. Everything you have done to resolve this issue has been...
Question
engine quits without warning
Alternators and fuel system issues are the most common causes of vehicles to die on the highway. The alternator failing basically causes the whole electrical system to quit working. This failure is usually accompanied by a red battery light illuminated...
Question
sub woofer popping in-out
Your issue sounds to me like a loose connection. I would recommend having your power, ground, and RCA wires checked to make sure they are connected properly and that no loose connectors exist. If the subwoofer itself were faulty it...
Question
Getting code P0303
If you have already taken the first step of getting your codes scanned, the next thing to do would be to have an ignition test performed by a qualified technician. Attempting to do this yourself could result in being shocked...
Question
2002 Infinity I35 oil leak/white smoke under hood
Valve cover gaskets are a common source of oil leaks. However since your engine has oil all over the block, it 's best to clean the engine of all the built up oil so the source of the leak can...
Question
White smoke/Oil leak for Infinity 2002 I35
You may have a major oil leak since you have to add so much oil. You may also have a clogged engine crank case ventilation system and would cause the engine to push oil out of all the seals. I...
Question
My cranks but won't start
If it is the security system then the dash security light will be on or flashing. If it was a sensor, then the Check Engine Light will be on and the engine computer will have set a code. You should...
Question
No crank issue
Hello. Most of the time when you get a cam code on this engine it is because of a crank sensor issue. I would replace the crank sensor first. If the problem persists then the timing chain will need to...
Question
TCS, ABS, and battery lights popped on. Car won't pick up speed. What's wrong with it?
Hello, The traction control light comes on when the computer detects an issue with the traction control system. It appears that the issue is serious enough to put the vehicle in limp mode. Limp mode is activated when the computer...
Question
Ugly noise coming from the engine when I hit the gas pedal. Oil Light comes on when I brake harshly
The first thing to check would be the engine oil level. The red oil can light is a warning light for low oil pressure and this can happen if there is an internal failure or if the oil level is...
Question
Took my car through inspection and it passed. Did emissions and I was told that I need to replace the muffler catylic converter and o2 sensor. Is this true?
Hi there. From the description you have provided, your vehicle passed inspection but failed emissions, this would lead me to believe the Check Engine Light is on. Knowing the code(s) could help with diagnoses. A plugged catalytic converter(s) could prevent...
Question
Knocking coming from front passenger tire
Hello: The knocking noise could be a from a tire that is separated or one of the front axles joints being bad. If you do not feel anything in the steering when the noise is happening, then the noise is...
Question
So I need a total tune up on my car! I was wondering if I could replace my spark plugs now and wait till next week to replace the coils?
Hi, thanks for writing in. Yes, that will not be a problem at all. If the coil is tested and is within spec there is no reason to replace it at all - I recommend using it. A fouled spark...
Question
BATTERY AND BRAKE LIGHT ON AND WONT GO OVER 20 MPH
It sounds like you may have a faulty or sticking brake light switch. When this happens, this creates a draw on the battery and the electrical system as the power is being directed to the brake lights. As a result...
Question
My service engine soon light is on. I hear like a rattling noise when engine is running sometimes. The power doesn't feel the same
If you are referring to the check engine light on your vehicle occasionally the cause of it illuminating is the gas cap is loose. If the rubber seal on the gas cap is intact and the cap is tight, all...
Question
Replaced fuel pump. Car won't start. 2002 Infinity I35
Hi there - the metal component you describe is a fuel check valve on the fuel return line. Its function is to maintain a small amount of pressure in the fuel system so that starting does not require the fuel...
Question
My car backfires. What might be the problem?
Hi there: Backfires occur for various reasons ranging from a cracked distributor cap allowing moisture inside ignition system components to fuel system issues caused by dirty or damaged sensors, crankshaft position sensor that throws off ignition timing or other items....
Question
Would it cause damage to the other ignition coils if there is oil leaking from the valve cover gasket on my 2002 Infiniti I35
Hi there. If there is oil leaking into the ignition coil bores then that oil leak needs to be repaired first. If there is oil in multiple tubes then those ignition coils should be replaced also. If they are dry...

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