This suggests you may have a leak due to a failing gasket or potentially a hole in your oil pan due to the rust corrosion. This suggests you may have a leak resulting from a bad oil pan gasket. This...
As you may know, trouble code P0420 relates to the inefficiency of the catalyst system, which detects the presence of oxygen in the exhaust gases. This can be caused by failing O2 sensors that need to be replaced. This can...
Hi there. If the turn signals will come on, but will not blink then the flasher module has failed. This module is what turns the lights off and on when the turn signal or hazards are used. It is possible...
Diagnosing throttle issues is very difficult to do without being on site to complete an exam. However, in some cases, this symptom is caused by a damaged or worn out throttle controller. Throttle Controller is the electronic version of what...
There are several issues that could cause your A4 to nearly stall as you slow down. Most of the time, it's caused by an idle control valve that is damaged or dirty; however, vacuum leaks could also cause rough idle...
Hello. First task is to extract any problem codes, whether the Check Engine is set or not. There are many things that can cause the symptoms you describe: injectors stuck open, or fuel pressure too high, coolant temperature sensor malfunctioning...
Hello. It sounds like you may have a bad joint in your front axle. These have joints that allow the axle to move when turning. When these joints fail they will cause this exact issue. These will need to be...
A hard brake pedal indicates a lack of power assist, so you're on the right track with the brake booster. Lack of power assist may be due to low engine vacuum, a leaky vacuum hose to the brake booster, or...
Either the EGR (Exhaust Gas Recirculation) valve is stuck open or is closed and not opening. First try removing the EGR valve and cleaning it out. Then see if the engine light goes out and the engine runs good. If...
You will need to have the computer scanned to see if there is stored codes for a sensor problem. You may have a theft system activated and it will cause no starts also or the computer is not turning on...
Yes, you should not have any problem driving home. The RSC light indicates that there may be an issue with the "roll stability control" which is related to the traction control system in your vehicle. The traction control system monitors...
You need to pull out the coil and check to see if there is oil in the spark plug hole, or on the plug wire boot. If there is, then replace the valve cover and spark plug boots after cleaning...
The rotors and pads should be replaced as a set. If not, then you will not have even wear and diminished brake stopping power until the two components are seated to one another. Sometimes cutting a rotor will not...
Hello. If the knock is very high pitched then you may have contaminated fuel. If there is contamination or gasoline in there then this will occur. There are some diesel fuel additives that can be added to remedy this. If...
Hello. This is a common problem on this vehicle. In some cases it is caused by one of the intake hoses coming loose but most of the time it is caused by a failure in the turbo bypass actuator. These...
Hi there. Check the electrical wiring from the fuel pump breaker to the fuel pump and see if there is any loose wires. When the vehicle shifts from 2nd to 1st there could be a fast draw down in speed...
It sounds like a fuse may have blown for the throttle control. You should check and replace any blown fuses. The ABS light will come on with the battery light if the alternator is failing as the system voltage begins...
It sounds like you blew a head gasket or broke the timing belt. Over revving the engine in second gear may have caused the timing belt to break. It will not start and this is an interference engine that bends...
An erratic fuel gauge can be caused by a number of problems. The fuel sending unit in the gas tank can be bad/shorted. The gauge itself can be bad, or a short in the wiring between the sending unit and...
There is an electrical short somewhere. The fastest way is to have a specialist diagnose the vehicle and trace the issue. Short of that, start removing one fuse at a time to check. Reinstall each fuse when you come back...
Hi Paul. Thanks for sending the question tonight. To be honest, when wholesale replacement jobs like you've described are completed, multiple issues can be missed, incorrectly installed or even have compatibility issues that can lead to a vibration. If you...
Check the main engine fuse box and look for fuse number 27. Remove the fuse to see if it is blown and discoloration in the socket. The fuse holder cannot handle the load on it, causing it to overheat. You...
Your car comes standard with a tire pressure monitoring system (TPMS). This system is responsible for monitoring the pressure in all four tires (but not the spare). If it detects low pressure, the Low Tire Pressure Light on the dash...