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I35

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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...
Question
took car to get oil change and brakes put on the rear and it came out shaking like a leaf on a tree. It shakes bad in drive not
You may have a broken motor mount and one of the tires may need balanced. I would suggest having the tires and motor mounts checked and maybe even the engine drive belts rechecked to see if the power steering hose...
Question
Is it possible that my mechanic broke a motor mount while changing the oil or replacing a power steering pressure hose on my car
Hi Charles. Thanks for contacting us. Typically an engine mount is not touched when an oil change or power steering hose replacement has been completed, so I would initially suggest that it's less than likely that the previous mechanic caused...
Question
My car won't stay on the battery keeps draining i replaced the battery and alternator
If the battery is new and charging system output has been measured and is within specifications, the only reason a battery will discharge is if the car sits for a long period of time (batteries will self-discharge even if not...
Question
Knocking noise/rattle underneath my car when I accelerate about 2000rpm-3000rpm and stops after the trans shifts
It sounds like you may possibly have a broken motor mount. As you may know, motor mounts are steel mounted brackets that secure the motor and transmission to the chassis of the vehicle. They have rubber internals in them to...
Question
"service engine soon" light came on at the same time my low gas light came on. It has not turned off since I put gas into the car.
Hi Rebecca. The Service light is a vague warning and can indicate something as simple as too many miles between oil changes to potentially serious faults in the engine. In most cases, the low fuel level would not trigger this...
Question
Hello, I have an I35 Infinity 2002. Car wouldn't go pass 40 and acted like it wanted to shut off. I parked the car and saw white smoke.
If your engine is smoking white and has the smell of oil, then check for any oil leaks that would be leaking onto the exhaust pipe and burning off. The white smoke is water burning in the chamber and getting...
Question
my brother Ran it hot till it shut off 3 times...it doesn't appear to have blown a head gasket it blow a hose under and wont crank
Hello there. If you had a coolant hose break and it was replaced, fresh coolant added to the radiator and cooling system and there are no current leaks, there are several reasons why your Infinity may not be starting. First,...
Question
Misfire
This may be a sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly. The insulation develops small fractures that open when heated and close...
Question
When stopped in Drive, the car vibrates. You can especially hear and feel the vibration mostly in the back of the car 2002 Infiniti I35
Hello - I would be suspicious of an exhaust system hanger which has gone weak, and is allowing the exhaust to bump into the chassis at an idle. It is also possible that the fuel pump is wearing out, and...
Question
Lights out on dash
Hello, thank you for writing in. The dashboard lights have a dimmer switch that you need to double check is not turned down. The switch can also fail causing this issue. If equipped, you can test the switch for power...

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