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How to Replace an [https://marvelvsdc.faith/wiki/A_Retrospective_How_People_Talked_About_Audi_Spare_Key_20_Years_Ago audi spare keys] [https://vuf.minagricultura.gov.co/Lists/Informacin%20Servicios%20Web/DispForm.aspx?ID=9263546 audi tt replacement key] key service near me ([https://botdb.win/wiki/The_Top_New_Audi_Key_Experts_Are_Doing_Three_Things just click the up coming internet site]) G28 Engine Speed Sensor<br><br>In this video Charles the Humble Mechanic shows how to replace the G28 engine speed sensor. This sensor is located on the edge of the transmission just above the flywheel ring gear. It transmits a signal the ECU via an uncolored wire (T55/49), then to the tachometer located in the instrument cluster.<br><br>1. Engine Speed Sensor<br><br>It is located on the outside of the transmission just above the flywheel ring gear G28 Engine Speed Sensor sends an electrical signal to ECU pin T55/49 using the grey wire. The ECU utilizes this information to control the amount of fuel and boost. It also sends an indication to the G5 Tachometer within the instrument cluster.<br><br>The sensor is used to connect with the G40 Camshaft position Sensor. The ecu must know when the crankshaft is TDC and the location of the camshaft so it can start spark and injectors accordingly.<br><br>If this sensor fails to function, the ECU will display a P00160 error code. This indicates that the Crank Shaft is not in line with the Intake Camshaft. It could also indicate an issue with the chain or a jumped chain link in the upper chain. However, the error code won't appear on its own, without additional information from other sensors (G4 and G40).<br><br>Testing can be a bit difficult since there are two pins for the connector and they perform different functions but the best method to test it is to measure the resistance between the sensor and the ECU. It should read approximately 1000 ohms if the sensor is operating at its maximum. If you're experiencing issues with this component, look for evidence of oil or coolant in the connector bay.<br><br>2. Injectors<br><br>Yesterday, while accelerating at full speed from the highway paytoll i had massive power loss as if the engine was running out of gas or injectors aren't firing anymore. Today, i pulled out the spark plugs, three were soaked with gazoline and the fourth was dry. When i crank the engine without sparks, i place a tissue on the top of each of the injector holes and the 3 drenched with gazoline jump out but the 4th stay closed. I tested the ground connection on ECU pins 14/55/30/55/48/55/14/55/48/ i get zero ohm. I assume that the problem is elsewhere.<br><br>I also tried to reset the PID with no success. The car is able to start when the G28 is disconnected and runs fine when it is connected but it still has intermittent misfire issues at higher RPM. The coolant sensor (G62), even when it is unplugged, shows a temperature of -49c. I also noticed that the oil gauge in the cockpit shows 2 bars but the actual pressure is zero.<br><br>I don't know what to do. I feel like i've pretty much all other possibilities out. However, i'm afraid that I might have missed something. If anyone has suggestions, please let me know! TIA!<br><br>3. Fuel Pump<br><br>The fuel pump in the g28 gets a signal from the RPM sensor. The GM-style transmitter is identical to the G4 sender and both work on the 80,100,200, UrS, and RS2 vehicles. It is easy to find the spare in a salvage shop or parts store. It is easy to test them: simply put your DMM into resistance mode and test the distance between pins 1 and 2 (with the bump on the connector's edge facing up). They must be infinite Ohms.<br><br>4. ECU<br><br>The ECU in our 20vt turbo (3B AAN ABY ADU) engines must know both the position and speed the crankshaft to determine timing of fuel injectors, etc. In order to do this it utilizes a Crank Position Sensor (G4) and an Engine Speed Sensor (G28). If you are experiencing issues with either of these, the diagnostic scanner will display codes that could cause the engine shutting down.<br><br>A damaged G28 sensor can cause an inaccurate speed counter for your gearbox or a gearbox that shifts more quickly than normal, and/or an unfire when in gear. If you experience any of these issues it is likely your sensor is deteriorating and needs replacing. They are cheap and easy-to-find particularly in the case of an Bosch model like ours. Alternatively, GM's version of this part would be a good option.<br><br>5. Tachometer<br><br>A failing engine sensor could cause a variety of issues in your vehicle. It is a crucial part of the [https://mendez-patrick.hubstack.net/are-you-responsible-for-an-audi-key-programming-budget-10-ways-to-waste-your-money/ audi lost key]'s transmission because it communicates to the ECU about how fast or slow the car's crankshaft is rotating. This sensor can cause the transmission to fail and other [https://yogicentral.science/wiki/What_Is_Audi_A1_Car_Key_And_Why_Is_Everyone_Dissing_It car key cover audi] components to be affected.<br><br>The G5 engine speed sensor is located at the outside of the transmission just above the flywheel ring gear and sends a signal directly to the ECU at pin T55/49 through a grey wire. The ECU is then able to process this signal to control fuel, timig, and boost and then sends it on to the G5 Tachometer located in the instrument cluster. You can determine if the sensor is in failure by examining the continuity from the sensor to the tachometer. Additionally, you can verify continuity between pin T55/49 of the ECU and pin T6a/1 of the instrument cluster (trace [79trace [79]), and between pin T6a/1 as well as pin T26a/12. You should see an average resistance of 1000 ohms between these two points. This is a common part across the [https://algowiki.win/wiki/Post:20_Important_Questions_To_Ask_About_Key_Audi_Before_You_Purchase_Key_Audi audi keys replacement cost] 80, 100, 200, UrS and RS2 range from 1985 MC to the 1997 UrS AAN and 1995 RS2 ADU, so the best ones could be available in wrecking yards.