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What is EMS - 2006 BMW 5 Series

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Engine Manegement System.If you have any problem,you can view
Professional OBD2 TOOL SUPPLIER.

Posted on Apr 11, 2014

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What is error 71 on a brevis auto ems 20 I


I'm sorry but I believe you have this posted in the wrong product category? Please re-post the question in the proper category if this is the case, otherwise you have my apologies. This is the car and truck problem category



Jul 12, 2012 | Cars & Trucks

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Brevis auto ems 20 I


Duplicate question.

Jul 12, 2012 | Cars & Trucks

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What does ems mean



Welcome to FixYa.com



EMS means

Engine Management System


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Kind Regards, Lee

Your FixYa Expert and Master Technician

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Feb 03, 2011 | BMW 318 Cars & Trucks

1 Answer

What does ems mean


Welcome to FixYa.com


EMS means
Engine Management System

Thank you for Using FixYa.com
Kind Regards, Lee
Your FixYa Expert and Master Technician
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Feb 03, 2011 | 2004 BMW 3 Series

1 Answer

Where is the cam sensor on a 2005 dodge neon sxt 2.0


Camshaft Position Sensor-On top of engine Operation The Engine Management System (EMS) uses the camshaft position sensor to manage sequential fuel injection and as part of misfire diagnosis. The EMS constantly monitors the number of pulses on the signal circuit. The EMS compares the number of camshaft sensor reference pulses and the number of crankshaft position sensor reference pulses received. If the EMS receives an incorrect number of pulses, Diagnostic Trouble Codes (DTCs) should be stored in the EMS. Some engine management systems will then default to multi-port or "gang-fire" injector operation. The camshaft position sensor signal is required to sequence the injector operation to the proper cylinder timing. If the camshaft position sensor or circuit is faulty, most engines will start. However, the EMS misfire diagnostic will likely be affected.
The following symptoms can be caused by an intermittent wiring connections or faulty signal to the EMS.
Related Symptoms
  • Extended crank time with a cold engine
  • Intermittent rough running
  • Unstable idle
  • Bucking
  • Hesitation
  • Stumble
  • Chuggle
  • Poor fuel economy
  • Stalling on acceleration
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Aug 05, 2010 | 2005 Dodge Neon

2 Answers

I have 2002 pontiac grand am 2.2 liter. Car shut off while driving. It cranks over fine. Won't start due to no spark. Changed ignition control module crankshaft sensor and Coil packs still no cigar? No...


wow, you changed the ignition control module, crank sensor, and coil packs and no spark?

Take to an auto electric shop where they can test the wiring to see if there are any breaks between the sensors or parts you already invested in.

Can your scanner communicate with the PCM?
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Powertrain Control Module (PCM) Operation The OBD 2 Engine Management System (EMS) computer can be a single computer comprised of several solid-state components or a multi-microcomputer device. This computer controls the functions of the EMS and performs OBD 2 diagnostic routines. These two distinct portions of the OBD 2 EMS computer function, in conjunction, with each other. The computer architecture and software design allows the OBD 2 EMS computer to adapt its operating strategies to a variety of conditions to optimize the EMS. Federal guidelines require the EMS OBD 2 computer to continuously monitor the operating conditions of the EMS. It must also record and report any system or component failure that may cause tailpipe emissions to exceed typically 1-½ times the federal test procedure.
The OBD 2 EMS computer is specifically designed to perform powertrain system management and monitoring. Regardless of the manufacturers design and implementation of operating strategies, all computers are designed and built following the same basic considerations.
All computers contain one or more microprocessor. Microprocessors are constructed of a complex arrangement of digital circuits. One microprocessor may contain upwards of 250,000 logic circuits. These are housed in a silicon-based integrated circuit (IC) no bigger than an area of approximately ¼ inch square. The microprocessor cannot perform calculations and decisions without instructions that are programmed into the computer’s memories.
IC Micro Processor One single microprocessor, called the Central Processing Unit (CPU), is dedicated to maintaining control over the entire computer. The CPU performs all of the calculations and logical decisions. Operating instructions for the CPU are preprogrammed into other memory locations and are ‘read-only’ programs. These programs are permanent and generally cannot be altered by service personnel in the field.
A program, in general, is a set of instructions arranged in a specific order to accomplish a specific task. Each instruction in the program is assigned to a specific location, or address within the computer’s memory. Only the address of where the instruction is stored is retained in the CPU. When the CPU requires information to perform a calculation, it looks for the address of the required data and then copies the data from the memory location. This copy is retrieved and temporarily retained by the CPU for processing. Retrieving programs in this manner ensures that the information programmed in memory is retained and does not change.
The following symptoms can be caused by an open, short to ground, short to power or excessive resistance in the power and ground circuits, data line communication malfunctions and /or component failure.
Related Symptoms
  • No Crank
  • No Start condition
  • No communication with scan tools
  • No communications with other modules
  • MIL lamp illumination
  • Intermittent component functions
  • Poor fuel economy
  • High emissions
  • Drivability concerns (stalling, bucking, stumble etc.)
  • Charging system malfunctions

Jun 26, 2010 | 2002 Pontiac Grand Am

1 Answer

Reset ems (check engine light) on ford expedition


Try to remove positive baterry terminal for 20 minutes and install it nack. That will reset your ECU and it will run little rought tilll learn new change in 02 sensor.

Feb 19, 2010 | 2000 Ford Expedition

1 Answer

My doors automatically lock on my 99 Chevy Blazer. Can I change this? They never used to, it started when my battery was replaced.


It is a setting in the flash memory of the EMS. You probably lost the setting when the battery was disconnected and the EMS reverted back to the default setting. Your dealer can reset it again for you.

Jul 30, 2009 | 1999 Chevrolet Blazer

1 Answer

High idle stalls at lights code for crank sensor


Crankshaft and Camshaft Position Sensors Camshaft Position Sensor Engine timing is determined from the relationship between the crankshaft and camshaft. This relationship is maintained by a timing chain or timing belt. The Engine Management System does not control engine timing but it does monitor the relative position and speed of these shafts by monitoring signals generated by sensors. The Engine Management System (EMS) uses signals generated by the camshaft position sensor to synchronize fuel injection to the valve sequence and for the on-board diagnostic procedure for misfire detection. The EMS energizes the injector at or near the time the intake valve opens. For misfire diagnosis, the EMS compares the number of camshaft sensor reference pulses and the number of crankshaft position sensor reference pulses received. If the EMS receives an incorrect number of pulses Diagnostic Trouble Codes (DTC’s) should be stored in the EMS.
If the camshaft position sensor or circuit is faulty most engines will start. Some engine management systems will then default to a pre-programmed injector firing sequence. All injectors may be energized simultaneously or all of the injectors on one bank may be energized at the same time. If the CMP data is required for misfire detection and reliable CMP data is not present misfire detection would probably be suspended.
Related Symptoms The following symptoms can be caused by an intermittent wiring connection or faulty signal to the EMS:
  • Extended crank time with a cold engine
  • Intermittent rough running
  • Unstable idle
  • Bucking
  • Hesitation
  • Stumble
  • Chuggle
  • Poor fuel economy
  • Stalling on acceleration
Crankshaft Position Sensor Engine speed is a very important input to the Engine Management System (EMS). Crankshaft speed and position are the basis for many calculations made by the computer. Crankshaft position values are transmitted to the computer by pickup coils also known as Permanent Magnet (P/M) generators, hall-effect sensors or optical sensors. The Crankshaft Position Sensor (CKP) also known as engine speed sensor is located in close proximity to the crankshaft.
In addition the EMS uses minute variations in the CKP sensor data to determine engine misfire. The EMS uses this information in conjunction with the camshaft position sensor to perform misfire diagnostics.
Related Symptoms: No Start/Intermittent Start Condition – Can be caused by a faulty crankshaft position sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit

Jun 23, 2009 | 2004 Nissan Altima

1 Answer

The power steering of Elantra 2007


ELANTRA(XD) > 2001 > TCS > TRACTION CONTROL SYSTEM
C1611 EMS Time-out failure
C1617 EMS Invalid Engine Speed
ELANTRA(HD) > 2007 > ESC > ABS/ESC > C1611 CAN time-out EMS
a7381fc.jpg Seems you may have a wheel speed sensor (right front) which has come apart and is rubbing up against the 'tone wheel' on the axel shaft.

Apr 05, 2009 | 2001 Hyundai Elantra

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