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P0172 code woes
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<blockquote data-quote="Vinnie_B" data-source="post: 16781714" data-attributes="member: 201678"><p><h4><em><strong><span style="font-size: 18px">Step 1</span> : </strong></em><strong><span style="font-size: 15px">CHECK FUEL PRESSURE</span></strong></h4><p></p><p></p><table style='width: 100%'><tr><td><p style="text-align: left"><strong>ENGINE<br /> RUNNING</strong></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center">Hot Idle 39 PSI<br /> 275 kpa</p> </td></tr><tr><td><p style="text-align: left"><strong>KEY ON<br /> ENGINE<br /> OFF</strong></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center"></p> </td><td><p style="text-align: center">35-40 PSI<br /> 240-280 kPa</p> </td></tr></table><p></p><p><strong><span style="font-size: 18px">Step 2</span>: <span style="font-size: 15px">CHECK SYSTEM'S ABILITY TO HOLD FUEL PRESSURE</span></strong></p><p></p><p>Pressurize fuel system per step 1</p><p>Visually look for fuel leaking at the injector O-ring, fuel pressure regulator, and the fuel lines to the fuel charging assembly</p><p>Key on, engine off.</p><p></p><p>Does fuel pressure remain at specification for 60 seconds?</p><p></p><p></p><p>There are several more things to do and isolate this issue. I'll check back when these are confirmed.</p><p></p><p></p><p>Lightning Fast<img class="smilie smilie--emoji" loading="lazy" alt="⚡" title="High voltage :zap:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/26a1.png" data-shortname=":zap:" />Electrical Automotive Repair LLC</p><p>PM Me or <a href="mailto:Lightning_Fast@comcast.net">Lightning_Fast@comcast.net</a></p><p>Remote or Local (On Site) Technical Repair</p></blockquote><p></p>
[QUOTE="Vinnie_B, post: 16781714, member: 201678"] [HEADING=3][I][B][SIZE=5]Step 1[/SIZE] : [/B][/I][B][SIZE=4]CHECK FUEL PRESSURE[/SIZE][/B][/HEADING] [TABLE] [TR] [TD][LEFT][B]ENGINE RUNNING[/B][/LEFT][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER]Hot Idle 39 PSI 275 kpa[/CENTER][/TD] [/TR] [TR] [TD][LEFT][B]KEY ON ENGINE OFF[/B][/LEFT][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER][/CENTER][/TD] [TD][CENTER]35-40 PSI 240-280 kPa[/CENTER][/TD] [/TR] [/TABLE] [B][SIZE=5]Step 2[/SIZE]: [SIZE=4]CHECK SYSTEM'S ABILITY TO HOLD FUEL PRESSURE[/SIZE][/B] Pressurize fuel system per step 1 Visually look for fuel leaking at the injector O-ring, fuel pressure regulator, and the fuel lines to the fuel charging assembly Key on, engine off. Does fuel pressure remain at specification for 60 seconds? There are several more things to do and isolate this issue. I'll check back when these are confirmed. Lightning Fast⚡Electrical Automotive Repair LLC PM Me or [EMAIL]Lightning_Fast@comcast.net[/EMAIL] Remote or Local (On Site) Technical Repair [/QUOTE]
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