Popular questions

There are a variety of clicks you might hear when the car fails to start. Gentle clicks from under the dashboard mean the relays are activating, but the starter is not working. A strong tap from under the hood might...

Hello, thank you for writing in. When looking at the engine you will see the two different banks of the engine. These are the heads, and inside the heads you find the camshafts. To track the camshaft's location for timing...

You may need to install a spacer to prevent the flywheel from touching the starter gear when the vehicle is running. This could be cause of both the noise and the worn down gears. If you need help with this...

The best thing to do is get a coolant pressure test and hook it up to your radiator or reservoir and pressurize the system to 15 psi. If there is a leak, it will appear under a pressure. If you...

The oil leaks should be pinpointed in a leak diagnostic. If oil is leaking at the head gasket, the head has to be removed but prior to placement of a new gasket the head and block have to be very...

Did you clean the carbon out of the rest the throttle body? I know these engines well. I suggest taking the throttle body off, removing the IAC (idle air control valve), TPS (throttle position sensor), and all other sensors. Soak...

The oxygen sensor trouble codes that you are referring to will set due to trouble not only in the oxygen sensor itself but the oxygen sensor circuit too, which includes wiring, terminals, grounds, etc. Therefore, unless the O2 code(s) you...

It is possible that you could be having an issue with your turbo. I would recommend having your engine inspected by a qualified professional to determine the exact cause of this issue. Sometimes turboscan wine even louder than normal when...

First I would make sure you replaced the cam sensor on the driver's side of the engine. This is bank 2. Now you have a noise in the motor, and it is rattling and running rough. I would point you...

The reservoir is going empty due to a blown head gasket most likely. You will need to have the system pressure tested first to make sure the radiator and coolant reservoir is not leaking under pressure. I suggest having a...

All vehicles have serviceable fuel filters, in fact your vehicle has 4 or more such filters. That is, EACH fuel injector has its own miniature filter basket so there are 4 potentially pluggable filters right there. There are some obvious...

It is possible that the wrong amount or the wrong viscosity of oil was put into the vehicle. I would recommend checking with the place or technician that change your oil to verify that the correct amount and viscosity of...

In order to try and locate a vibration due to an aftermarket radio with heavy bass you would need to try and touch each body part until you find the part that is vibrating and then a fix may be...

These types of warning lights will generally store a fault code in one or more of the vehicles control modules. The warning lights you are getting may be the result of a faulted brake pedal position sensor or wheel speed...

Try unbolting the drive shaft from the rear axle and place the vehicle in neutral to see if the vehicle will roll in either direction first. If it acts the same as when the driveshaft is connected, then the rear...

If you cleared codes and code P0128 still came back then replace coolant sensor and retest system after clearing codes.

Hi there. This video is actually pretty good on learning how to correctly replace the throttle body on your vehicle. This is another good video to learn from. It is possible that your fuel injectors are still clogged with debris...

Hi there, thanks for writing in about your 1994 Oldsmobile 98. To start, I would first visually check to confirm that the coolant level is actually staying at an appropriate level and the problem is really fixed. This can be...

Hi there - your instincts are good! I suspect a failing crankshaft position sensor as well. When they fail, there is often no Check Engine indicator. Checking for spark at the plugs during a "no start" event would be helpful...

The Check Engine and Oil Pressure Light may flash if the oil pressure switch did not give an oil pressure signal to keep the fuel pump running. I suggest having the vehicle scanned for any codes, then test and replace...

Hello, thank you for writing in. These situations are understandably questionable. The service providers at a lot of common oil changing and tire repair centers will quote you for a variety of things that can be updated. This does not...

This is not a common complaint and I would speculate the engine has a major vacuum leak or a mass air tube leak between the throttle body and the sensor. I can only recommend having a mechanic, like one...

This is not normal and you most likely have an engine misfire from a bad plug or ignition coil. Have the engine computer scanned to see what cylinder is misfiring and then you can isolate what cylinder is having the...