20 Most Recent 2001 Audi A6 2.7T Questions & Answers

need to do a smoke test done to see if and where you have a vacuum leak, could also be a bad cat.

Check transmission fluid & filter

Did you happen to leave the windows down during the serious mist? If so, Nothing inside the car has weather pack seals on the plugs. So it could be practically any thing on the inside. I would look at the ignition plugs, fuse/relay panel plugs, and BCM plugs. Look for corrosion. White to a greenish color.

Have you checked error codes? That is the first diagnostic I would do. Most Auto parts stores will do that for you if you can get it there.

Check belt if still there,something is funny when over heated cool off and start up.Check coolant level.

KEY ON THAT CAR NOT THAT EXPENSIVE. IT HAS TO BE ORDERED BY A DEALER. THEY WILL NEED CAR VIN# . IT WILL BE THE ORIGINAL KEY CUT. YOU DON'T HAVE TO REPLACE IGNITION LOCK OR DOOR LOCK CYLINDERS. THEN IT HAS TO BE PROGRAMMED TO IMMOBILIZER ALSO BY DEALER. I’m happy to help further over the phone at https://www.6ya.com/expert/anthony_dda4e0152e94f3c0

It's very likely that you burnt out the fuel pump. The fuel pump needs gas running through it to keep it cool. If there was no gas and it's pumping air they tend to burn out very easily.

Draining the fluid is easier than replacing the TC. I would try a drain an filter first, then move on from there.

Question edited for clarity. https://www.google.com/search?q=1993+Audi+500+SEL+2.8+speed+sensor+location ..

Check the codes!

I would check the OBD codes for clues.

Try the row of large switches above the radio. It is most likely the middle one.

Let's break down the situation: EPC Light: The EPC light typically comes on when there's a problem with engine sensors or components. It might be related to the throttle sensor or the temperature sensor. When the EPC light activates, the engine electronics may limit power and maximum RPM. As a result, the computer might restrict the engine's performance, allowing you to drive at low speeds only. Check Engine Light: The Check Engine light illuminates when the engine management system detects a fault or error. The codes you've provided indicate specific issues: Code 17950/P1542/005442: Angle sensor 1 for Throttle Actuator (G187) has an implausible signal. Code 16891/P0507/001287: Idle Control System RPM is higher than expected. Possible Causes and Solutions: Fuel System Issues: Given the fault codes related to fuel pressure, it's essential to check the fuel system. Low fuel pressure could cause hesitation and trigger both lights. Mass Airflow Sensor (MAF): A faulty MAF sensor can lead to engine hesitation, rough idling, and stalling. Consider inspecting or replacing the MAF sensor. Throttle Body: Although the dealer replaced the throttle body earlier, it's worth verifying its functionality again. Idle Control System: The high RPM issue might be related to the idle control system. Inspect the idle control valve and related components. Wiring and Connections: Check for loose or damaged wiring, connectors, and vacuum lines. Next Steps: Diagnostic Scan: Perform a thorough diagnostic scan to identify any additional fault codes. Visual Inspection: Inspect the throttle body, angle sensor, and wiring connections. Fuel Pressure Test: Verify fuel pressure using a fuel pressure gauge. MAF Sensor: Consider cleaning or replacing the MAF sensor. Idle Control Valve: Inspect the idle control valve for proper operation. Remember that intermittent issues can be challenging to diagnose. If the problem persists, consult a qualified mechanic or an Audi specialist to pinpoint the exact cause and address it effectively.

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