There are many sensors that can trip the check engine light to come on.
The check engine code P0240 for a 2004 Chevrolet Blazer indicates an issue with the turbocharger boost sensor circuit. This code typically points to a problem in the sensor itself, the wiring, or the connectors associated with the sensor. It may also indicate a malfunction in the turbocharger system if the vehicle is equipped with one. Diagnosing the specific cause usually requires inspecting the sensor and its connections for damage or faults.
Yes, a 1995 Chevrolet Blazer with a 4.3-liter engine does have a crankshaft position sensor. This sensor is crucial for the engine management system as it helps determine the position of the crankshaft, which is essential for proper ignition timing and fuel injection. If you're experiencing issues with the engine's performance, the crankshaft position sensor may be a component to check.
The "Check engine" light will illuminate and a code will set.
Check throttle positioning sensor.
The check engine light is triggered by the Engine Control Module (ECM). The ECM receives information from many sensors and determines when to illuminate the check engine light.
Check your owner's Manual located in the glove box. Usually means the engine needs a routine check of fluids or just an oil change.
Your local Chevrolet dealer or auto parts store can sell you a remanufactured engine or you can check your local salvage yard for a used engine.
There are 2 knock sensor on the 5.3L engine. And they are under the intake manifold. To get to them you will have to remove the whole top of the engine- INTAKE MANIFOLD. Why do you think they need replaced???? check engine light came on for 2 sensor
Either try disconnecting the battery for about 10 mins. or have vehicle scanned to determine the problem and have codes cleared
EVAP Emission control system leak (small). It could be as simple as a loose fuel cap.
How do you reset check engine light for the 2009 Chevy trail blazer?
Among many other possiblities, yes.