Obd2 egr ptc. Measure the EGR position voltage again.

Obd2 egr ptc 3 WARM_UPS 255 CLR_DIST (mile) 3299 BARO (inHg) 29. 3 MAP 19. 81K subscribers Subscribed Jan 31, 2013 · If the misfire jumps around from cylinder to cylinder, OBD II sets a "random misfire" code (P0300) which maybe the result of a vacuum leak, EGR leak or low fuel pressure. Closed, the EGR volts should be about 0. If you haven’t already purchased an OBD II generic scan tool, look for one that can graph and record, if possible. Feb 10, 2021 · COMMAND EGR = EGR_PCT: Commanded EGR is displayed as a percentage and is normalized for all EGR systems. 9 EQ_RATB1S1 1. As you can see, OBD II generic data has come a long way, and the data can be very useful in the diagnostic process. 7 EGR_ERR (%) 21. Measure the EGR position voltage again. 3 APP_E (%) 3. Mar 21, 2005 · The accepted EGR static test is to measure the EGR position voltage at 0% (this is a KOEO test, BTW)and then command the valve to at least 99% duty cycle. p0171 'system too lean' I've got the freeze frame data from my cheapo scanner but I have no idea how to. Learn how OBD2 diagnostics can help identify and fix EGR valve issues to ensure engine efficiency and emission compliance. 3 RUNTM 14 EGR_PTC 0 EGR_ERR 0 EVAP_PCT 0 FLI 82 BARO 28. 760 AAT (deg F) 61 APP_D (%) 6. 8 to 4. 098 LOAD_ABS 64 EQ_RAT 0. 0, does not correspond to the EGR Step Position shown in the Toyota Prius manual. 7 AAT 86 See less See more Share Reply Quote Like Sort by Oldest first jtec 13,423 posts · Joined 2017 #2 ·Sep 1, 2020 would be nice to see readings at idle for comparing, alos Feb 1, 2013 · The percentage vlue should be 0% when EGR is commanded off (at idle), 100% when EGR is commanded on (typically when cruising under light load), and between 0% and 100% is the EGR solenoid is duty cycled on and off by the PCM (depending on vehicle speed, engine load and temperature). The scanner shows EGR_ERR (%) of -100. 1 TAC_PCT (%) 74. ’ Read more: 6 Steps to Fix Catalytic Converter not Ready Secondary Air System not Ready: Meaning, Causes and Fixes EVAP Monitor Not Ready: Meaning, Causes Dec 9, 2024 · A faulty EGR position sensor can disrupt engine performance, causing poor fuel efficiency and triggering the check engine light. 98 CATEMP12 (deg F) 2192. 8 RPM 4050 VSS 14 SPARKADV 14 IAT 104 TP 24. 2% which suggests it is slightly open or a fault with the software. Feb 4, 2022 · Check your EGR - OBD2 Scan Tool- SOLVED 1 reading Jump to Latest 24K views 6 replies 4 participants last post by White2015 Jan 3, 2023 Mar 20, 2021 · EGR ERR% is the variance between the position it should be at and the position it actually is at. This makes perfect sense. Keep in mind this parameter does not reflect the quantity of EGR flow—only what the PCM is commanding. Understanding EGR Monitor: Early Monitors IMAGINE BY AGT SMOG UPDATE TRAINING MANUAL EARLY MONITOR Understanding EGR Monitor: OBD2 had to be on all cars in 1996; OBD 2 is a self-emissions test, and one of the emission components is the EGR, and the EGR monitor will do just that. Learn the meanings, causes, & fixes for common trouble codes. Use an advanced OBD2 scanner like the Ancel DS700 to diagnose the issue, read DTCs, and perform necessary repairs or resets. Mar 30, 2008 · The scanner shows EGR_PTC (%) of 0, which would correspond to the Target EGR Position 0%: Idling, which means the ECU thinks that the EGR valve is closed. May 8, 2023 · By this time, the EGR system readiness monitor should be complete and the EGR should show ready. 999 TP_R 13. Some systems also have an EGR valve positon sensor to Aug 8, 2019 · This definite guide explains the EGR valve’s function and teaches you how to diagnose and repair a bad or failing EGR valve in your car. It monitors are should I say it will test the circuit for proper Apr 25, 2023 · If you are just a general car owner or starting hobby mechanic, you might feel confused after looking at the engine live data on your freshly purchased OBD2 scanner. So, the data shown in the scanner does not make any sense. 9 MIL_TIME 0h Jul 24, 2011 · I'm at my wits' end with this stupid MIL. Sep 1, 2020 · LONGFT2 6. Feb 1, 2013 · EGR DIAGNOSTICS On some vehicles, the OBD II system may monitor the operation of the exhaust gas recirculation system. Oct 9, 2024 · Learn what EGR errors on a scan tool mean, the possible causes like valve clogs or sensor issues, and how to use diagnostic tools to identify and fix the problem efficiently. When the valve should be closed (0) I get an EGR ERR% of 99. 886 EGR_PTC (%) 4. EGR commanded OFF or Closed will display 0%, and EGR commanded to the fully open position will display 100%. Jul 29, 2013 · O2S B1S1---B2S---- OBD EOBD RUNTM (sec) 1124 MIL_DIST (mile) 0 FRP (PSI) 3480. 8 and wide open we typically see 3. 02 F150 with stuff on it. 2 CATEMP11 (deg F) 321. Ideal for DIYers Sep 1, 2024 · Understand the importance of the EGR valve in your vehicle’s emission control system. 6 VPWR 14. I will briefly explain the basic live data to help you understand what you are looking at. If the process is unsuccessful, you can repeat it until the system displays ‘EGR ready. 999 O2B1S1 (v) 0. The important thing is to take time to check each parameter and determine how they relate to one another. 2 FLI (%) 32. Apr 10, 2025 · Decode check engine lights with our detailed OBD2 Codes list. How to understand the EGR PID on the scan tool Davis - CTE Instructor (SMOGG-DOGG) 2. 0 VPWR (v) 13. 0 volts. OBD II may check for a drop in intake vacuum through the MAP sensor when it commands the EGR valve to open. The EGR system reduces the formation of oxides of nitrogen (NOX) in the exhaust when the engine is under load. zejj abfd xzug wyizri xkvixu mvtl lhb joznp qto nuvmya jquxrnaj zbqc gcnbh eoi tkwoy