[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-665268-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-665268-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","reparaturleitfaeden-en","Reparaturleitfaeden-EN","","Workshop manual repair group overview for Audi A3 2004 covering direct petrol injection and ignition system components. Includes edition and copyright notice, then lists the workshop repair groups and detailed chapter contents for mixture preparation/injection and ignition system service. Provides practical servicing guidance such as self-diagnosis fault memory interrogation, vacuum hose and connection checks, correct fuel hose securing methods, minimum electrical supply voltage requirements, and restrictions on silicone sealants to protect Lambda probes, plus safety notes about fuel system pressurization and crash/fuel shut-off behavior.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & Report",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/reparaturleitfaeden-en/665268/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/reparaturleitfaeden-en/665268.png","ImageObject",300,407,{"name":42,"@type":43},"Asher","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What must be checked before carrying out repairs on the injection system?","Question",{"text":62,"@type":63},"Interrogate the fault memory using the engine control unit self-diagnosis capability, and check vacuum hoses and connections (unmetered air).","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What safety requirement applies to the fuel system before opening injection components?",{"text":67,"@type":63},"The fuel system is pressurised; reduce fuel pressure to residual pressure before opening, following the specified procedure.",{"name":69,"@type":60,"acceptedAnswer":70},"Why should silicone-containing sealants not be used?",{"text":71,"@type":63},"Silicone particles drawn into the engine will not be burnt and can damage the Lambda probe.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},665268,1793294828,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,105,110,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":92,"show_sort_weight":93,"slug":94},"Exam",70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":112,"slug":113},8,30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":111,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":26,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":127,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":79,"read_time":143},687197207639,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Service   \nWorkshop Manual Audi A3 2004 ➤  \n\n| Direct petrol injection and ignition system (4-cyl. 2.0 ltr. 4-valve turbo) |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| Engine ID | AXX | BPY | BWA |  |  |  |  |  | |\n\nEdition 11.2005  \nProtected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.  \nService Department . Technical Information  \n Service  \nList of Workshop Manual Repair Groups  \nRepair Group  \n24-Mixture preparation-injection  \n28-Ignition system  \nProtected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.  \nTechnical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed.  \nAll rights reserved.  \nNo reproduction without prior agreement from publisher.  \nCopyright © 2005 Audi AG, Ingolstadt A0050442920  \nContents  \n24-Mixture preparation-injection ........................................ 1  \n1 Servicing injection system .................................................. 1  \n1.1 General notes on self-diagnosis .............................................. 1  \n1.2 Safety precautions ........................................................ 1  \n1.3 Rules for cleanliness ...................................................... 2  \n1.4 Procedure to be followed prior to opening high-pressure injection system-take note of the following: .............................................................. 3  \n1.5 Technical data .......................................................... 4  \n1.6 Overview-fitting locations .................................................. 5  \n1.7 Exploded view-intake manifold .............................................. 13  \n1.8 Exploded view-fuel rail .................................................... 15  \n1.9 Exploded view-air cleaner / engine cover panel ................................ 16  \n1.10 Removing and installing engine cover panel with air filter element .................. 16  \n1.11 Removing and installing intake manifold with fuel rail ............................ 18  \n1.12 Removing and installing injectors ............................................ 22  \n1.13 Checking initial fuel pressure (up to high-pressure pump) .......................... 26  \n1.14 Checking fuel pressure and residual pressure (up to high-pressure pump) ............ 28  \n1.15 Exploded view-high-pressure fuel pump ...................................... 31  \n1.16 Removing and installing high-pressure fuel pump ................................ 32  \n1.17 Wiring and component check with test box V.A.G 1598/42 ........................ 34  \n1.18 Renewing Motronic control unit J220 ........................................ 36  \n1.19 Removing and installing Lambda probe G39 and Lambda probe heater Z19 before catalytic converter .............................................................. 39  \n1.20 Removing and installing Lambda probe after catalytic converter G130 and Lambda probe 1  \nheater, after catalytic converter Z29 .......................................... 39  \n28-Ignition system .................................................... 41  \n1 Checking ignition system .................................................. 41  \n1.1 General notes on ignition system ............................................ 41  \n1.2 Safety precautions ........................................................ 41  \n1.3 Te","cbCaipVsWBfeTfYX","https://ap.wps.com/l/cbCaipVsWBfeTfYX","pdf",560933,"English","# Contents\n## 24-Mixture preparation-injection\n## 28-Ignition system","[{\"question\":\"What must be checked before carrying out repairs on the injection system?\",\"answer\":\"Interrogate the fault memory using the engine control unit self-diagnosis capability, and check vacuum hoses and connections (unmetered air).\"},{\"question\":\"What safety requirement applies to the fuel system before opening injection components?\",\"answer\":\"The fuel system is pressurised; reduce fuel pressure to residual pressure before opening, following the specified procedure.\"},{\"question\":\"Why should silicone-containing sealants not be used?\",\"answer\":\"Silicone particles drawn into the engine will not be burnt and can damage the Lambda probe.\"}]","Reparaturleitfaeden-EN | PDF",48]