Q: Vehicle only runs with high rpms with air box disconnected

Hello. A clicking sound while driving can be caused by a number of issues. It can be a small rock stuck in the tire tread or it can be something more serious. If the noise goes away when you hit...

Hello there! The illumination of these warning lights indicates a system shutdown because of some malfunction. Since the Traction Control and ABS systems share many sensors, the fault may have to do with a sensor that is tied to both...

It sounds like the transmission is mechanically sound if you are experiencing no slippage. You will want to have the transmission fault codes (https://www.yourmechanic.com/article/the-most-common-error-codes-for-transmission-problems) read out to see if there are any issues that could be inhibiting the shifts. Other...

Hi there, thanks for writing in about your 1990 Subaru Legacy. You need to have the fuel pressure tested to see if the fuel pressure is within specifications and will hold pressure after testing with engine off. The fuel pressure...

Hi, thanks for writing in. Given the sporadic nature of the symptoms, and a known head gasket issue, it is likely the engine is misfiring (https://www.yourmechanic.com/article/how-can-problems-with-the-ignition-system-cause-misfiring_2) due to the head gasket issues is causing rough running. If the symptoms are...

Hello. The key code here is likely the P1775 code, which means the solenoid for invoking torque converter clutch lockup is latched (or engaged). If this solenoid does not unlatch, or release the lockup clutch, the transmission controller gets "speed...

Hello there, many common faults will cause your 1997 Jeep Grand Cherokee to die when the vehicle comes to a stop and have a low idle. You have done great in replacing the idle air valve as this is a...

In your question, you have not stated the "fault" you are experiencing, consequently I will assume it is overheating. If not, please write back in with clarification so that we can best assist you. There are a myriad of causes...

A scanner will not cause a no start but the security system will. You will need to have the passlock system codes pinpoint tested to see if the problem is the key or the system needs reprogrammed or the module...