Q: 94 lexus will not exceed 40 mph and very slow

The vehicle needs to be inspected and diagnosed for intermittent connection issues at all the computer modules and the connections in between them. Have a mechanic check each pin and socket for any corrosion and pin fitment to make sure...

The fuel range (https://www.yourmechanic.com/article/how-far-can-you-drive-your-vehicle-on-empty-by-brady-klopfer) that every vehicle is capable of at a given fuel level is largely dependent on the driving habits of the driver, driving conditions, how well the car's engine is running, and many other factors. Unfortunately, there...

Steering wheel shaking could be caused by a couple of things. Check the condition of the front tires for uneven tread wear and how much tread is left. Having the tires balanced and aligned may resolve the issue. If not,...

A crate motor is simply a "complete" motor, shipped in a crate of course. Complete means it has the head, valve train, camshafts and block (pistons, crankshaft, oil pump) already assembled. Crate motors can be "new" or "re-manufactured". Often, many...

Hi There, This could be related to a couple of possibilities. The [instrument voltage regulator]((https://www.yourmechanic.com/services/instrument-voltage-regulator-replacement) regulates the voltage supplied to the various gauges in your vehicle’s dash. When this is not working properly, this may cause the gauges in your...

Hello, thank you for writing in. Correct, you want to place the hose clamp between the two raised lips. If the hose will willfully go over the second lip, that is fine. The goal is to have the hose beyond...

The belt tensioner on your vehicle should have an automatic tensioner, however, some models have the manual tensioner. Tighten the tensioner to where the belt is tight but loose in the middle length area as about the width of the...

If the fault is now pinned down to one cylinder, a possibility is a faulty fuel injector. Faults can be of various sorts: injector leaks, the injector driver in the ECM, the injector itself in terms of the electrical solenoid/circuit....

This code indicates a manifold absolute pressure to throttle valve angle discrepancy. This means that there is some confusion between the mass airflow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement), the throttle position sensor (https://www.yourmechanic.com/services/throttle-position-sensor-replacement), and the manifold absolute pressure sensor (https://www.yourmechanic.com/services/manifold-absolute-pressure-sensor-map-sensor-replacement). It is possible...