I've also included normal values measured during three different engine modes
Engine Stopped: Self explaining (with ignition key on)
Engine Idle: Idle, Warm engine, temp. at least 80 degrees C
Full Throttle: Warm engine, temp at least 80 degrees C. TEST DRIVE Accelerate the vehicle in 3rd gear (engine code AEL: in 4th; with automatic transmission: in gear 2) at full throttle (without kickdown) from overrun while a second mechanic observes the rev counter. Start logging in VAG-COM at 3000 rpm, do not exeed 4400 rpm (engine governed but keep an eye on the rev counter).
(Starting with row 1 at the left side of the VAG-COM screen.)
- Engine Speed
- Engine Stopped: 0
- Engine Idle: 33-36 OK
- Full Throttle: 140-190 (190 = 4400rpm, not to be exeeded)
- Commencement of injection
- Engine Stopped: undefined
- Engine Idle: 45-60 OK
- Full Throttle: 190-210 (depending on engine speed)
- Accelerator pedal position (max 255)
- Engine Stopped: Press pedal to see value rise
- Engine Idle: 0 (not pressed)
- Full Throttle: 255 (floored)
- Engine Stopped: Press pedal to see value rise
- Injection Quantity
- Engine Stopped: 0
- Engine Idle:5-25 OK
- Full Throttle: 115-125 OK (80 = emergency injection quantity)
- Engine Stopped: 0
- Intake manifold pressure
- Engine Stopped: 117 at approx 1000 mbar
- Engine Idle: 117 at approx 1000 mbar
- Full Throttle: 210-235 (1.72 - 1.92 bar) OK
- Ambient Pressure
- Engine Stopped: 240 at approx 1000mbar
- Engine Idle: 240 at approx 1000mbar
- Full Throttle: Ignore
- Coolant Temperature
- Engine Stopped: 195 at approx 20 degrees C
- Engine Idle: 62 at approx 90 degrees C
- Full Throttle: Ignore
- Intake Air Temperature
- Engine Stopped: 195 at approx 20 degrees C
- Engine Idle: 177 at approx 30 degrees C
- Full Throttle: Ignore
- Fuel Temperature
- Engine Stopped: 90 at approx 20 degrees C
- Engine Idle: 175 at approx 55 degrees C
- Full Throttle: Ignore
- Intake Air Quantity
- Engine Stopped: Ignore
- Engine Idle: 41-75 (if EGR is working normally, if higher briefly press acc. pedal)
- Full Throttle: at least 190 OK (<190 check airflow meter)
- Engine Stopped: Ignore
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