T E C H N I C A L S E S S I O N S
Thomas Lauer, Michael Heiß (Vienna University of Technology), Markus Klein (GM Europe Injection Timing and Water Contents-Masatoshi Iwai, Akira Iijima, Hideo Shoji, Koji Yoshida (Nihon A Control Oriented Model Development for a Gas Control Path with a Stepper Motor-based Actuator … Fetch Doc

08 Holley Catalog Pages
Be programmed to run alpha-N at idle only •16 x 16 fuel and timing maps •Uses 1,2 or 3 Bar MAP sensors •Programmable load and RPM scales •Maximum RPM of 12,750 •Controls GM and Chrysler stepper IAC Such capability would be desirable when installing a fuel injection system on a modified motor. … Content Retrieval

Two Vehicles Broken Down In One Week – YouTube
I know it controls ignition timing based on coolant temperature/throttle position but it looks To make it very simple, there's either a stepper motor or solenoid and pin arrangement that controls another ignition box fail I am going to either an aftermarket system or retrofit a GM HEI … View Video

GM Multec SPi Copyright Equiptech
System overview The GMMultec (Mul Multiple Tec Technology) EMS was developed by General Motors and circuit is completed by pulsing the relevant actuator wire to earth, and the stepper motor The ECMusesthe CTS signal as amain correction factor when calculating ignition timing and injection … Access Doc

Idle-Speed Controls
Or an idle-air-control (IAC) bypass valve (used on throttle body and multiport fuel injection). GM IDLE motor after the plunger reaches the fully-extended or retracted position a small electric stepper motor could be the result of a vacuum leak, fuel problem, overadvanced or retarded ignition timing or … Access This Document

Design Of Electronic Control Unit (ECU) For Automobiles …
A bimetal or stepper motor actuators are used. The ECU controls this actuator to control idle speed depending on idle sense fro m throttle sensor The ECU has to accordingly change the injection n times for the two modes depending in the look up table of speed , load and injection timing. … Doc Retrieval

GM Multec SPi Copyright Equiptech
The correct ignition dwell and timing for all engine operating conditions are calculated from injector circuit is completed by pulsing the relevant actuator wire to earth, and the stepper motor The GM Multec injection system fitted to catalyst vehicles implements a closed loop control system so that … Access Doc

DTC P0216 Injection Timing Control Circuit – Circuit Description
Extends the stepper motor. To advance injection timing the PCM retracts the stepper motor. (s) Yes No Page 2 of 5 Document ID: 177428 29/07/2009 http://gsi.xw.gm.com/si/showDoc.do?docSyskey=177428 … Document Viewer

I NSTALLATI ON
ON JEEP 6 CYLINDFR 258 CID IN-LINE ENGINES The HOWELL Jeep EFI kit uses a new General Motors throttle body fuel injection THIS SYSTEM DOES NOT CONTROL SPARK TIMING AS ON GM ENGINES BUT RELIES ON A TACH SIGNAL FROM vacuum line *-Thermal vacuum switch and distributor advance vacuum line *-Stepper motor … Read Document

Initial Calibration Of The TBI
Throttle Body Fuel Injection Initial Calibration air passage seat of the TBI, and damage will occur to the stepper motor of the IAC control. Where do we start? • Make sure the spark timing is set correctly; … Retrieve Content

Troubleshooting Problems With Engine Idle
The ignition timing may be set wrong. The Fix: Adjust ignition timing. There may be some type of ignition problem. The Fix: Check and replace distributor cap, rotor, ignition wires and spark plugs. … Read Article

Mercedes-Benz – Wikipedia, The Free Encyclopedia
"CGI" (Charged Gasoline Injection) indicates direct gasoline injection. "CDI" (Common-rail Direct Injection) indicates a common-rail diesel engine. The two companies which were merged to form the Mercedes-Benz brand in 1926 had both already enjoyed success in the new sport of motor racing … Read Article

ASE 8 – Engine Performance
©2002 General Motors Corporation All Rights Reserved ASE 8 – Engine Performance Module 16 – 6.5L EFI Diesel Engine Performance 16-52 Injection Timing Student Workbook Timing on the electronic pump is managed by the injection timing stepper motor. … View Document

Diagnosing Digital EGR Valves
• Multi-stage (Used on various late-model General Motors applications, this type has two or three solenoids • Linear (Uses a small stepper motor instead of solenoids or a vacuum diaphragm to open the exhaust cracked sensor housing, be sure to check for damaged gaskets, hoses, EGR, ignition or cam timing … Access Document

OREGON FUEL INJECTION, INC.
(GM Bulletin #77-63-06A) 1. Check fuel system for air (check at fuel return from pump), supply pump pressure, and DTC34 (P0216) injection timing stepper motor, watch the stepper motor and make sure it … View This Document

Mazda 323 GTX MegaSquirt Install
GM IAT Sensor The stock GTX intake air temp sensor is integrated into the MAF sensor, which will MS controller is provided with a simple RPM and TDC indication and is free to make its own timing Step 22 – IAC S12C/JS9 Jumper – NOT INSTALLED This jumper is only used when using a stepper motor type idle … Get Document

Variable Valve timing – Wikipedia, The Free Encyclopedia
3.4 Stepper motors; 3.5 Pneumatic; 4 Implementations; 5 See also In 2005, General Motors offered the first Variable Valve timing system for pushrod V6 engines, LZE and LZ4. Technologies introduced the Multiair system in Geneva Motor Show. The Multiair is a hydraulically actuated variable valve timing … Read Article

Sensor Catalogue
injected into the engine (and in some cases, the amount of ignition timing Idle Air Control Motor (IAC Motor) Function: The idle air control motor is incorporated within the fuel injection 95-02 3.8 6 GM-MPI AT323 Commodore VT Chev Motor LSI VM 99-01 5.7 V8 GM-MPI AT323 Commodore VT Chev Motor LSI VM … Fetch This Document

INDIVIDUAL MEA ON-LINE CLASS MEMBERSHIPS JUST $200 …
Thurs. March 12th NEW & Updated GM 6.5 Diesel Fuel Injection This, the second of the GM Testing and diagnosis of the Fuel solelnoid , fuel shut solenoid, Optical sensor, Fuel Temp sensor, and Injection Timing Stepper Motor. … Access Full Source