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It uses several sensors on the engine. Crank posistion,knock sensor and what happenes is if the readings say there is a knock because of something like bad fuel it will send a comand to the ECM to either advance or retard the timing. the crank sensor tell the ecm were the crank is during rotation.
What else can I help you with?
What does ECU stand for?
Electronic Control Unit (ECU) controls the fuel injection system, ignition timing, and the idle speed control system. The ECU also interrupts the operation of the air conditioning and EGR systems, and controls power to the fuel pump (through the control relay). The ECU consists of an 8-bit microprocessor, random access memory (RAM), read only memory (ROM), and an input/output interface. Based on information from the input sensors (engine coolant temperature, barometric pressure, air flow, etc.), the ECU determines optimum settings for the output actuators (injection, idle speed, ignition timing, etc.).
What is the ignition timing on a Peugeot 106?
its set by the ecu
How do you check the timing on a 97 Ford Contour?
The ignition timing is controlled by the ECU, and is not adjustable.
How do you sit timing on 2.0 Ford Contour?
The ignition timing is controlled by the ECU, and is not adjustable.
How do you adjust the ignition timing on a 92 Scoupe - non turbo?
You cannot adjust timing its done in the ecu
How do you adjust the timing on a 1995 wrangler?
There is no timing adjustment on fuel injected models the ignition timing is set by the ECU . Regards:
Where is the ecu unit on a rover 75 and what is it?
The ECU (Engine Control Unit) on a Rover 75 is typically located in the engine bay, mounted on the left side near the battery. It is a crucial component of the vehicle's engine management system, responsible for controlling various engine functions such as fuel injection, ignition timing, and emissions control. Accessing the ECU may require removing some covers or components for better visibility.
VW Ahu engine need an ecu?
Yes, the VW Ahu engine requires an ECU (Engine Control Unit) to manage its operation. The ECU controls various engine functions, including fuel injection, ignition timing, and emissions. Without a functioning ECU, the engine may not run properly or at all, as it relies on the ECU for optimal performance and efficiency.
What should the timing be once you put the timing belt on a 2002 Hyundai Elantra GT?
If you mean ignition timing It is non adjustable The timing is controlled by the vehicles ECU best wishes
What you mean by ecu of Yamaha yzfr15?
Forget the Yamaha YZFR15 here... ECU stands for 'Engine Control Unit' and controls factors such as ignition timing, air/fuel ratio and in more advanced engines factors such as variable valve timing, exhaust butterflies, water injection etc. Pretty much all modern engines are controlled via and ECU instead of by mechanical means.
How do you set ignition timing on a 1994 jaguar 4.0 engine?
Ignition timing and advances are all computer controlled (ignition amplifier and ECU)based on info from several sensors. No mechanical or vacuum advance at the distributor, and moving it will not change anything.
Where is automatic choke on a scoda octavia 1.4 petrol 01 model?
Doesn't have one the ignition system I's control by and engine control unit (ecu) the temp sensor could be faulty
