Popular questions

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Car hesitates when accelerating.
This is a common symptom of a failing mass air flow sensor. This is a unit that monitors the air and fuel mixture prior to being injected into the motor. When this is not working properly, this causes an imbalance...
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Incorrect spark plug replacement caused worse gas mileage
Hello there, thank you for asking about your 1997 Oldsmobile LSS. AC Delco 41101 comes standard on these vehicles and must be used in order to maintain the ignition system properly. Also, find a maintenance schedule for the vehicle and...
Question
My 2002 PT Cruiser speedometer quit working and when I drive it it only drives in first gear I can shift it but it only drives in
Hi Chevy. Thanks for contacting us today. What is likely is that your PT Cruiser is stuck in limp mode; which occurs when the ECU and sensors detect a mechanical or electrical fault with the transmission or other driveline systems....
Question
Abs brakes locked up
Hello. Typically ABS braking systems do not lock up unless there is a preexisting issue going on. The most common cause is a lack of brake fluid in the system. If you are losing brake fluid then you need to...
Question
No throttle response until warm, then not very good.
Hi there. The EBPV (exhaust back pressure valve) is sticking or the EBP (exhaust back pressure) sensor tube is wet which freezes in the cold preventing the EBP sensor from seeing the increase in EBP as you attempt to throttle...
Question
Parasitic drain 2005 tahoe on ignition a fuse
Hello, thank you for writing in. Great job on the electrical testing thus far! A wiring diagram for the vehicle will work wonders for you if you can obtain one. If you are referring to the ignition switch fuse, then...
Question
Car shaking after Coil and Spark plug change
Hi Kevin. OBD-II error codes don't always tell the entire story or provide the exact reason for an engine misfire. In fact, most error codes have 5 to 10 possible sources, which can be misread or assumed is a specific...
Question
Grinding noise when starting engine.
Hi there: Improper alignment or installation of the starter can cause this grinding noise to occur. However, it's also possible that internal components inside the starter, the starter relay or the flywheel teeth could also be the source. It's really...
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How do I stop the transmission from leaking brake fluid in a 2002 Mitsubishi Lancer
Hi there. First off, the transmission and brake system are separate and utilize different oils. If you're leaking oil from the slave master cylinder (which is a clutch component), it's transmission fluid that might be leaking. If you've been told...
Question
How does the vanity mirror on the passenger sun visor work?
The vanity mirror on the passenger side of your Accord is designed to provide better visibility than the basic mirror on the driver side sun visor. To use it, just: Fold down the sun visor from the roof Open...
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My mini r53 makes a weird sound from the front suspension when driving over rough roads at low speed.
You're probably right. The most common noise to come from the front struts comes from the thrust bearings. The thrust bearings support the weight of the car at the top of the struts and allow the struts to turn easily....
Question
my car jerks and wont accelerate past 20 mph
The loss of power and the brake issue have separate causes. Vibration on braking is usually due to defects in the brake rotors, particularly warping and thickness variation in the rotor. Improperly mounted rotors can also cause vibration. To resolve...
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How do I know if the sbsr is bad?
In order to determine if your SBSR is faulty, a factory scan tool is needed. There are a couple of technical service bulletins about low fuel, the fuel transfer pumps and reprogramming the SBSR module. Check with your local BMW...
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Warranty information from Your Mechanic
Question sent to CS about extended warranty honored.
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manual key ( no remote ) only opens and closes driver side door. other doors wont open/close.
Hi Varun. Thanks for submitting your question this morning. Usually, when you use a manual key to unlock a door, it will only unlock that individual door. I'm not 100% sure that unlocking all doors is a feature of this...
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New cv axle too short
It appears that the 94-6007 is the correct part number. I'm assuming that this is for the left side, as the axle for the right side is over 10 inches shorter. I would suggest that you measure the compressed length...
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Steering wheel problem, hard to turn after stop.
Hi there, With 77,000 miles on your 2011 Buick Enclave, I wouldn't expect your issue to be mechanic in nature. In many cases, the problem's you're describing are caused by low power steering fluid, or if your power steering is...
Question
Light brown sludge in reservoir box but no loss in coolant and no sludge on oil cap or dipstick.
The sludge might simply represent cooling system contaminants. There are tests that a mechanic can perform to identify the material, that is determine if it is really engine oil. However, based on your description the contaminants are not likely to...
Question
Where is cylinder 5 located at?
The cylinder number 5 is on the passenger side nearest the fire wall. Passenger side of engine is numbered 1,3,5 and drivers side is 2,4,6.
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Rattling noise under car
Damage often occurs to a vehicle when it hits a curb, even it the initial impact seems small. Your Nissan Versa could be experiencing one or more of its splash shields, found underneath the vehicle, come loose and is now...
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Going through a lot of brake pads on Mazda CX-5
Hello, noisy brake are probably the number one complaint that exists. Mazda has issued two Technical Service Bulletins for brake noise, TSB 04-004/14 for brake noise and TSB 04-003/14 for rear brake noise with uneven pad wear. If you have...
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Problems with my catalytic converter
Lets talk about the catalyst converter and what kind of problems it can cause a car to have when it fails. One of the most common types of failures is when it just quits doing its job. The computer has...
Question
What does the charging system Warning Light mean in a Hyundai Elantra?
The charging system Warning Light is located on the instrument panel. This light illuminates when there is an issue with either the electrical charging system, or the generator. When this light comes on, you should have your vehicle serviced as...
Question
Pinion bearing making noise
The pinion bearing is a common issue with Ford rear ends. Most of the time, this failure is due to a differential leak that was not addressed and the bearing run dry. I recommend having a trained technician, such as...
Question
My 2004 Ford Explorer has the service engine light on and possible issue EGR
The two components work together to more smoothly recycle partially burned exhaust gases - rather than just dump them into the exhaust and the catalytic converter. The exhaust gas recirculation valve is the actual valve assembly which re-directs exhaust gases,...