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Sensors

There are two common items that can cause an intermittent no start with this car. You already replaced the crank sensor, which is one of them. The other can be the key, and/or the Electronic Ignition Switch (EIS). If you...

The crankshaft position sensor is located on the driver side of the engine and in the back by the transmission on the engine. If you need further assistance with your crankshaft position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement), then seek out a professional, such...

Hi there - the camshaft position sensor (https://www.yourmechanic.com/article/how-to-replace-a-camshaft-position-sensor-by-mia-bevacqua) is located on the drive-side end of the top of the engine on your vehicle. It is a round black plastic housing - golf-ball size - attached to the engine with one...

The engine coolant temperature sensor should be located on the radiator hose fitting on the front of the engine. The connector is locked in place by a clip lock on the connector housing that needs to be depressed at the...

Hi there. Check the heater control valve in the engine compartment that is in line with the heater hoses and the engine. If the valve is sticking or shutting off, then the heater will not produce enough heat for the...

Hi there. From the description you have given, I believe you are stating that your vehicle has no power, and you are only able get to 35-50 mph and nothing over 1500 rpm. You also stated vehicle runs great, which...

There are a multitude of reasons why and automatic transmission will slip. It is possible that a bad speed sensor (https://www.yourmechanic.com/services/transmission-speed-sensor-replacement) could cause the transmission to slip. However, it is also possible that a slipping transmission can cause sensor codes...

Hello. If the shifter is moving fine and the truck responds to the shifter position but does not move when the transmission has more than likely failed. If there is no response at all, then it may be the shift...

Hi, there is a recall on these cars about the TIPM, or Totally Integrated Power Module. If the camshaft position codes have disappeared I would take a look at the TIPM. If the codes are still present, then there may...

Hi There, It sounds like you may have a faulty transmission speed sensor. The transmission speed sensor (https://www.yourmechanic.com/services/transmission-speed-sensor-replacement) relays output shaft speed on the transmission to the ECU which then translates this to the speedometer. When this sensor is not...

This may be likely due to low transmission fluid or potentially a faulty transmission control module. The transmission control module helps regulate fuel efficiency and power while storing information about the transmission system in its memory. A faulty transmission control...

Hey there, thanks for writing in. The sensor is on the right rear of the engine block behind the exhaust manifold heat shield. If you need help replacing the crankshaft position sensor (https://www.yourmechanic.com/services/crankshaft-position-sensor-replacement), a certified technician from YourMechanic can come...

Hello - the camshaft position sensor (https://www.yourmechanic.com/article/how-to-replace-a-camshaft-position-sensor-by-mia-bevacqua) is located on the drive-side end of the top of the engine on your vehicle. It is a round black plastic housing - golf-ball size - attached to the engine with one bolt,...

Hello, thanks for writing in about your Jeep Cherokee. The coolant temperature sensor for the gauge on your Cherokee should be on the back of the driver's side cylinder head. If you need some assistance with this, consider YourMechanic, as...

Older systems use a movable vane in the intake stream called a Vane Air Flow (VAF) sensor. The VAF sensor used in Bosch L-Jetronic, Ford, and most Japanese electronic port fuel-injection systems is a movable vane connected to a laser-calibrated...

Based on your description, it sounds like your 2007 Mercedes GL450's fuel pump may be randomly shutting off. This can be due to a malfunctioning powertrain control module (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-engine-control-module-ecm) as the repair shop told you. This can also be related...

The VSS (Vehicle Speed Sensor) is most likely bad and needs to be replaced. The reason that the transmission shifts almost normally with it disconnected is due to the computer is using a failure memory to substitute for the shift...

Hi there. The temperature sensor is the device used to determine the estimated engine coolant temperature reading. The sensor itself is not always perfect. This device sends a signal to the computer and in some cases, the instrument cluster as...

The vehicle speed sensor signal can be tested using a scanner since the signal will go to the engine control module and the speedometer. If the signal is good to the ECM, then you most likely have a bad speedometer....

Hello there, thank you for asking about your 1997 BMW 760Li. Your problem has many potential causes. It could be anything from a failed mass airflow sensor to a worn fuel pump. The first step is to retrieve the diagnostic...