Popular questions

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Engine light flashing.
A flashing check engine light generally means there is a misfire dumping raw fuel into the exhaust system, usually caused by a consistent misfire, if the car is driven in that condition for long enough catalytic converter damage is likely....
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Car exhaust shake
The exhaust shaking may be related to many things such as loose mounting bolts or potentially a clogged catalytic converter. The popping and cutting out suggests potentially a lean fuel condition which means the car is starving for fuel which...
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Charged battery and car still won't start.
If you have already verified that you have a working battery in your Chevy Tahoe and despite this the engine is still not turning over, the next step would be to check the starting system. It is possible and common,...
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Car won't turn over, but battery is charged
From the symptoms described, it lead me to believe that your Ford Bronco may have a bad fuse. If the battery is known to be good and yet there is still no power to the vehicle, then it is likely...
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High idle and car won't stop
Hello. This sounds like it may be a faulty Mass Air Flow sensor or a throttle arm that could be stuck. It could also be an air leak. A good way to test for leaks is to spray starting fluid...
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engine is shaking - 2006 BMW 325i
Hello. This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to being...
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Car jerking while driving
If the transmission is not shifting gears even after a fluid service, the problem may be internal transmission failure. I do not suggest driving a vehicle with these symptoms as you risk damage to the engine. You will need to...
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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
Car alarm is going off after putting in a fuse.
Hello and thank you for contacting YourMechanic. There could be an issue with the wiring. Look for a wire that says alarm on it. If there is no alarm wire, then look at where the alarm blinker is located and...
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Can an open gas cap which causes the Check Engine Light to come on cause the car to not start and the ECM to appear bad?
Yes, there are a lot of things a bad gas cap or open gas cap can affect. If you don't have a gas cap then you may be experiencing issues with debris getting into your tank or fuel filter and...
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AC problem on a '97 Isuzu Rodeo
That thing is almost 20 years old. It's 19 years old and it probably just needs refrigerant. You'll need to evacuate all the old refrigerant out, so you've got to have a recycling machine. Then you would put a factory...
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How do I properly maintain the sunroof?
Over time, the sunroof can collect dirt in the seal, which can keep the sunroof from operating correctly. It’s a smart idea to periodically maintain the sunroof to keep this from happening. To do o, open the sunroof, and remove...
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High RPM but Slow acceleration
Hi Giovanni, Thank you for contacting us. We understand that you think it's the CAT. However, form our end we cannot state that with 100% certainty. Is it possible that a clogged up CAT is the source of the high...
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Rod Knock, Timing belt or What? 2013 Subaru WRX
Hello - engine noises can sometimes be difficult to diagnose, especially without actually hearing it. Rod bearing noise can sometimes best be confirmed by snapping the throttle open ( aka "blip" the engine), if you get the rapping noise then,...
Question
2001 pontiac grand prix seatbelt light came on and will not go off
The first thing to do is to check under each seat and inspect the wires and connections to each seatbelt latch and seat sensors. You most likely broke or knocked loose one of the seat belt connectors or wires. ...
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What is a wishbone suspension?
A double wishbone suspension is an independent suspension design using two wishbone-shaped arms to locate the wheel. It’s also known as an upper and lower A-suspension. The wide end of the wishbones is mounted to the chassis of the car...
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Knocking sound.
A knocking sound within the engine is likely caused by low oil. I would first start by checking the oil level to ensure it is full. If the oil is low, you can top it off and see if anything...
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Car is still overheating - 2006 Acura TL
There is no bleed screw on the 2nd generation TLs. Bleed the cooling system with the nose of the car higher than the rear if possible let it heat up at an idle until the thermostat opens and allow all...
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What does the Low Oil Pressure warning light mean?
The Low Oil Pressure warning light is located on your instrument panel. When the light illuminates, it means that your engine has low oil pressure, which could be due to insufficient levels of oil, or a leak in the system....
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P1516 engine code and reduced engine power message
Hello, and thank you for writing in. The P1516 code you received stands for an issue with the Throttle Actuator Control Module. The throttle body, the actuator module, and the wiring may all need to be inspected. The TAC module...
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How do I adjust the brightness of the instrument panel lighting on my 2007 Ford C-Max?
Instrument panel brightness is controlled by a dimmer switch. Looking online, it appears as though not all C-Max vehicles were equipped with this option. If your car does indeed have a dimmer switch it will be located on the dash...
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Hi I have a 2004 Jeep Grand Cherokee Laredo V8. I recently had to replace the solenoid pack that contained sensors that were not w
No re-set is necessary. The adaptive shift points will re-establish themselves (in computer memory) simply by operating the car. First determine if codes associated with limp mode, or any transmission fault, are still present. If so, those codes must be...
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Why when the front brake pads are installed onto the rotor they sit about a 1/4 of an inch higher than the rotor?
Hello. If you are referring to the brake pads extending past the edge of the rotor, then I believe you may have the wrong brake pads, or perhaps the wrong rotors installed on the vehicle. I would verify that the...
Question
where is my blower motor or blower resistor?
The blower motor and blower resistor is located in the right side of the dash under and behind the glove box.
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1996 Olds Aurora OBDII P0603 PCM keep alive memory, car is in limp mode and running like it's off timing
Correct the ground connection first, in case that problem is a cause of the trouble code. P0603 does represent an electrical system fault. In practice, this particular fault might be found as battery terminal corrosion or loose connections, Keep Alive...