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How to Replace an [http://mnogootvetov.ru/index.php?qa=user&qa_1=gymseason03 audi key replacement near me] 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 situated near the transmission's edge just above the flywheel gear. It sends a message to the ECU through an uncolored wire T55/49, then to the tachometer in the instrument cluster.<br><br>1. Engine Speed Sensor<br><br>Located on the edge of the transmission just above the flywheel ring gear G28 Engine Speed Sensor sends a signal to ECU pin T55/49 through the grey wire. The ECU then uses this information to control the boost, fuel, and timig. It also sends signals to the G5 Tachometer located in the instrument cluster.<br><br>The sensor is used as a reference point to connect with the G40 Camshaft Position Sensor. The ecu needs to be aware of when the crankshaft has reached TDC and also the position of the camshaft, to trigger the spark and injectors.<br><br>If this sensor fails, the ECU will throw a P00160 code which means the Crank Shaft and Intake Camshaft are out of sync and possibly indicating the chain is stretched or a jump link on the upper timing chain. The code won't show without the additional information provided by other sensors (G4 or G40).<br><br>It can be a bit difficult to test because there are various pins on the connector and they all have different functions. The most effective method to test it is by measuring the resistance between the ECU and the sensor. It should read around 1000 ohms when the sensor is in full operation. If you're experiencing issues with this part, check for signs of coolant or oil in the connector bay.<br><br>2. Injectors<br><br>Yesterday, as i was accelerating off the highway paytoll at a high speed I noticed a massive decrease in power. It was as if the engine was running out of gas. Or, my injectors weren't firing. I took out the spark plugs this morning, three were drenched in gasoline and the fourth was unclean. I put tissue over each injector hole and when i turn the engine on without sparks, the 3 with gazoline jump out. The 4th one stays shut. I checked the ground connection of ECU pins 14,30, and 48/55. I got zero ohm. I'm assuming that the issue is somewhere else.<br><br>I also tried to reset the PID without success. The car will start when the G28 is disconnected, but it is running fine with the G28 plugged in. However, the intermittent misfire problem still occurs at higher RPM. The coolant sensor (G62) even when unplugged, still shows a temperature of -49c. I also noticed that the oil gauge in the cockpit shows 2 bar while the actual pressure is 0.<br><br>I'm not sure what to do, as i feel i have pretty much completely ruled out all other possibilities. I'm worried that i might have missed something. If anyone has any suggestions, please let me know! TIA!<br><br>3. Fuel Pump<br><br>The fuel pump in the g28 receives a signal from the RPM sensor. The GM-style transmitter is the same as the G4 and both are used in the 80 100 200, UrS and RS2 cars so you can easily find one at a wrecking yard or at a parts store. Testing them is easy to do - just put your DMM in resistance mode and measure the resistance between pins 1 (with the bump on the connector's side up) and 2 (2nd from the left on the black end of the connector). They should be infinite Ohms.<br><br>4. ECU<br><br>Our 20vt turbo (3B, AAN, ABY and ADU) engines are equipped with an ECU that needs to know the speed and position of the crankshaft in order to make a decision about timing of the fuel injectors, etc. To accomplish this, it makes use of a Crank Position Sensor (G4) and an Engine Speed Sensor (G28). If either of these go badly, you will see codes on the diagnostic scanner that can lead to engine shutdown.<br><br>A failing G28 sensor can cause an inaccurate speed counter for your gearbox and a gearbox which shifts faster than normal, and/or a misfire while in the gear. It is probable that your sensor is failing and requires to be replaced if you encounter any of these signs. The good thing is that they are very cheap and easy to find particularly when you're looking at the Bosch unit like ours. Alternatively, GM's version of this part would be a good option.<br><br>5. Tachometer<br><br>A malfunctioning engine speed sensor could be the reason behind a slew of issues with your car. It's a crucial component of the transmission of your [http://bbs.theviko.com/home.php?mod=space&uid=1882101 audi a3 keys] because it relays information to the ECU on how fast or slow the engine is turning. This sensor can cause the transmission to fail and other components of the car to be affected.<br><br>The G5 engine speed sensor is located on the outside of the transmission, above the flywheel ring gear and sends a signal directly to the ECU at pin T55/49, via a grey wire. The ECU uses this signal to regulate the flow of fuel and boost and also timig. It also relays it to the G5 Tachometer inside the instrument cluster. You can test for sensor failure by examining the continuity of the sensor to the tachometer. Additionally, you can examine the continuity between pins T55/49 of the ECU and pin T6a/1 of the instrument cluster (trace [79trace [79]) and between pin T6a/1 and pin T26a/12. You should see the resistance to be around 1000 ohms in these areas. This is a standard component across the [https://sixn.net/home.php?mod=space&uid=3936155 audi key replacement cost uk] [https://techdirt.stream/story.php?title=some-wisdom-on-audi-car-key-replacement-from-the-age-of-five replacement audi key fob] key service near me - [https://www.google.com.sb/url?q=https://telegra.ph/How-To-Save-Money-On-Audi-A4-Key-Replacement-10-02 google.com.sb], 80 100 200, UrS and RS2 range from 1985 MC to the 1997 UrS AAN and 1995 RS2 ADU so good ones could be available in wrecking yards.