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V8-5.6L

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Question
At slow speeds the ABS kicks in when breaking. I'm on dry pavement. Is the speed sensor or hydraulic brake booster pump at fault?
Hello. Most of the time this is caused by a wheel speed or a yaw sensor issue. I would start by checking the tires. Make sure that they are all the same. If one of the tires is different than...
Question
while driving my titan it feels like it dragging or intermitenly slowing down
It's hard to say with this amount of information what the exact issue is. The truck could be slowing down for a number of reasons. Its going to take some more observations. Take notice of when it happens, i.e.: when...
Question
where is the thermostat
Your thermostat is located in the front of the engine right next to the distributor just above the water pump. I would recommend having an expert from YourMechanic come to your home to -diagnose and replace your thermostat.
Question
Vehicle shut off while driving and will not restart, what could be the problem?
Hi there. Do any of the combination meter lights come on when you turn the key on? If not, then it sounds like the alternator may have failed and the battery became completely discharged. Have the battery tested, and recharged...
Question
Is my problem my ECM relay?
Hello and thank you for contacting YourMechanic. First you will need to charge or replace your battery. Most of the time, if a battery has a burned cell or will not hold a charge, then it causes a lot of...
Question
Bad instrument cluster
With a reoccurring issue like this, you can almost guarantee that another malfunction is causing the failure. If this cluster has failed, you will end up needing another one. But do not replace it until you know what the main...
Question
Rear pinion seal leaking. Would i also need to change the flange?
The flange is integral with a splined yoke. The yoke segment (of the flange/yoke) has a precision, machined, highly polished surface which mates with the rubber seal. Since the rubber seal is spring loaded and is under tension against the...
Question
Pickup is running rough, jerking, stalling, and not idling over 3000 rpms
Hey there. This sounds like an air/fuel delivery problem which may be a result of a dirty or failing mass air flow sensor. This may also be a result of a failing O2 sensor which may also cause an incorrect...
Question
My brake light stays on - 2004 Infiniti QX56
Hi there. Check the brake pedal brake light switch to see if the contacts are closed (meaning the switch is engaged) with the pedal all the way up. It is possible that the brake pedal has moved down a little...
Question
Dashboard lights went out on my 2012 Nissan Armada
Hello. To start, do the gauges on the dashboard still function? If so then the issue is relating only to the lights. An issue with the lights can include the bulb, the fuse, or the power supply. The fuse may...
Question
Brakes locking up
Hello. Does the ABS light come on with all the other warning lights when you first turn the key to the "Run" position? I would suspect that some/all of the ABS electronics are not working - you seem to have...
Question
Noises coming from the undercarriage.
I suspect you have a driveshaft issue, probably one of the U-joints (the front is a double U-joint, or Cardan joint). This driveshaft also has a sliding spline section, which, if it gets grit in it or is not lubricated,...
Question
I'm having noises coming from the undercarriage when I drive
Hi there. The noise sounds like the transmission has a mechanical low/reverse clutch that is going out. This is determined by the noise going away when shifting or on its own and a ball joint will make a noise but...
Question
Truck loses power and tries to stall
Hey there. This is a common 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 repeated as the copper beneath them expands and contracts at...
Question
we have a 2012 Infinty QX56 20 passenger Super stretch limo in our fleet. Rear end grinding
Typically, a rear end assembly will fail due to lack of maintenance, but severely worn brake pads may cause the same type of noise. The rear of the vehicle may be lifted and the vehicles transmission set to rear wheel...
Question
Faulty air compressor - 2011 QX56 Infiniti
Hi there. If the air compressor has destroyed itself, then this will effect the ride quality and the load bearing on the vehicle. This can damage the air suspension to the vehicle and make the level of the vehicle off....
Question
Vibration/chopping sound
Hi there: Without physically inspecting the Titan and test driving it, it's very difficult for us to tell you what's wrong with your truck. However, it's possible that this vibration is coming from the harmonic balancer not properly being aligned,...
Question
engine light
Your check engine light may come on for many different reasons such as a faulty mass air flow sensor, a faulty O2 sensor, a bad catalytic converter, bad spark plugs or wires and many other reasons. Unfortunately due to the...
Question
Oil pressure and idle drop when shifting into gear
This may be a result of low transmission fluid or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors such...
Question
I replaced the fuel pump and now my truck won't start
Hi there: In some cases, when the fuel pump is not supplying fuel from the tank to the fuel injectors it's due to one of three different issues. First, it's possible that the pump or some of the hose attachments...

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