Popular questions

Question
I recently cleaned my battery terminals and when i connected everything back together my car just cranks and doesn't start any ide
Try to hold your throttle about 1/4 and see if it starts and then slowly return throttle to idle so computer will relearn idle again. If this does not help then you will need further diagnosis by a mechanic like...
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We have a tapping noise coming from our 2001 Dodge Grand Caravan
Hello. If this noise is coming from the starter and it has been occurring ever since installing the starter then first make sure that the starter is securely mounted. If it is then it may not be fully engaging or...
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Gear oil leak.
Hello. Pinion bearing seals can leak due to normal wear or as a result of excessive pinion bearing play. A growling sound can indicate a worn pinion bearing as well. If the noise changes during acceleration, the cause is most...
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Service Engine Light staying on.
This code is for the oxygen sensor (O2) heater control circuit. O2 sensors in modern vehicles use a heating element to bring the sensor up to operating temperature faster. This allows the powertrain control module (PCM) to use the sensor...
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My Ford f150 has a misfire on #4and#7 I checked the coils and plugs but they seem to be firing what else do I need to do
In order to isolate the cause of the misfire you will need to do an engine compression and leakdown test to make sure the compression is good and no valves are burned. If compression test is good on all cylinders...
Question
How do I open the power liftgate
If the power liftgate is turned on to MAX or ¾ setting, then you can open the trunk automatically. There are three different ways to use the power liftgate: 1. With the remote keyless entry (RKE) transmitter. Press the unlock...
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Car shaking
Usually this is related to something out of balance in the wheel assembly but it could be a bubble forming on the tread of any of the tires. Have a certified mechanic take inspect your wheels and suspension components, loose...
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Car won’t start but cranks
It is normal for the security light to come on when turning the key to the on position, as the system goes through a series of checks. Once the light goes off, the vehicle is clear to start. This may...
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What is cost to neutralize motor mounts, I switched out front mount but now it vibrates off of frame
I believe you need to replace all of your mounts. You are saying it is touching the frame, so I would suggest the rest of them be replaced also. You may also look around and see if you have anything...
Question
Alternator not charging
The alternator charging rate is controlled by the engine control module under the air cleaner housing. You should disconnect the battery and check the connections at the engine control module and look at pin 54 on connector one (C1). It...
Question
Misfiring cylinder
Hi there. There are a couple of different reasons why a single cylinder would be misfiring. A common issue would be a lack of continuity throughout your spark plug coil, wire, and plug. Another problem you may be having is...
Question
Problems with shifting.
Transmissions can be totally destroyed inside and not shift or it could be something simple such as a speed sensor if reading erratic. The only way to tell is to have the system thoroughly checked by a certified transmission technician,...
Question
There is a loud humming noise coming from under the car becomes louder when I let off the gas
A common cause of the type of noise you are describing is one or more failed wheel bearings. The exact wheel position can be determined using chassis ears (remote wireless microphones). Not to worry, as replacing wheel bearings on most...
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Clicking and vibrating while driving and turning.
A vibrating sound could indicate a bad wheel bearing and a clicking noise while turning can indicate a bad cv joint. The wheel bearing is what the wheel rotates on and the CV joint is what connects the transmission to...
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My temperature is reading cold, almost to the bottom. Is this normal?
Hey there. The cold reading could mean that your thermostat is stuck open or the cooling fan is running all of the time. It could also mean a problem with the sender or gauge. Have a mechanic diagnose the cause...
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Car jumping
One thing comes to mind with the car jumping and that is a driveline vibration. A worn or sticking U-joint can force the driveshaft to be out of balance creates serious vibration. If needed, you should have your U-joint replaced...
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Smoke from the hood - 1996 Ford Mustang
Hello there. You will need to see if the engine valve covers are leaking oil and running back on the exhaust or if the transmission is leaking oil onto the exhaust near the dipstick tube where it goes in the...
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I have a ford Explorer 2002 it does not go when I put it drive now it will not go at all.
Unless there is an engine management fault (total loss of power), your issue has to do with the transmission. Check to be sure there is adequate transmission fluid as a low level can cause malfunctions. The possible causes of failure...
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My car will not shift out of drive and into park - 1999 Hyundai Sonata
Hi. This sounds like the ignition switch has a problem and is not allowing the car to go into park. If the ignition switch is not sending the signal to the neutral safety switch that the key is in the...
Question
How do you change the remote from two-step unlocking to one-step unlocking?
While your remote is set by default for two-step unlocking, you can change that to one-step unlocking if you prefer. This allows you to unlock all the doors on your car with just one button press. Here’s how to change...
Question
Oil in the water
If you open the oil cap and see a white moisture on the top of it, you may have a head gasket cracked. A block test should be performed to verify a head gasket crack. If you would like to...
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1996 f350 with 351w want to swap to 12 valve Cummins, how do I do it legally?
Hi there. To be honest, this would require you to replace not only fabricate new motor mount brackets, but completely swap out engine, transmission, drive shaft components. The V-12 is a much longer block so everything behind it would also...
Question
Wiper fluid not coming out
Is it really cold outside? If it gets cold enough there is the possibility that the fluid could be frozen in the lines of your washer nozzles. If this is the case, you will need to get the car somewhere...