AlexRadu22

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The alternator is changing its way of working, when the engine temperature reaches 90 degrees? Does it work in different manner when the engine is cold and when is hot?

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the alternator? why so?

up. no one>?

LE: when i turn on the AC, idle stays steady at 850. what can i do? I feel that the car doesnt have that power that ive been used to have

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Here's the problem. When i start the engine, and the engine temperature is low, the cars idle is fine. But when it reaches 90 degrees celsius the idle starts to go crazy

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The flaps inside the intake manifold

Maf sensor seems to be good. It indicates 4'mg/s as i recall. I changed the sensor that control the little throttles inside the intake manifold. I changed the valve but i didnt put the same code vale as the original one. Could that be a lroblem ?

I didnt clean the intake manifold, but i changed the intake gasket, the orange sponge, that comes around the intake manifold. It was a little dirty but not so much. Thank you very much for you advises. Can it be from the computer bord?

I tried with 2 TB from dismemberment park. Nothing has changed so i might think that the TB is doing just fine. As far as i understood, the problem is before the intake manifold, not on the turbine so i dont know what to say about diverter valve. EGR valve? should i clean it? The car is on petrol, its not diesel.

If i delete the error, the car's idle stays at 680-750. But immediatly in 10 minutes the error reappears.

Yes. i cleaned the throttle body, not just one. It is cleaned and adapted. Moreover i did spray body cleaner around the hoses, but the engine didnt respond by shaking or whatsoever. Any other advices? Thanks for replying UdayP.

i changed the pcv as i told you in the first post. i didnt found anyone in the whole bucharest to perform a smoke test. how else can i check for vacuum leaks?

I tried everything. Nothing works in order to solve my problem

Nobody knows ?

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Hi everybody. I have a problema regarding my idle RPM. I have just an error, p0507 idle higher than expectat. I changed everything except TB and the intake manifold. When the motor gets hotter my idle speed is just crazy. When the wheels are rolling, it reaches 1400RPM, but when i stop the card, it just stays at 950RPM. This is the only error that im having. I changed the PCV valve, and some sensor that control the small valves inside the intake manifold. My car is a SO2, 1.8 tsi, 2007, with 160hp. I read something about a idle control valve, but i dont know where is it. Can someone who had the same problem with mine, explain how can be fixed? i would really appreciate. LE1: it seems i also have another code error LE2: i read everything on the forum, about this problem, but nothing could posibly fix the error. 2 Faults Found: 001287 - Idle Control System RPM P0507 - 000 - Higher than Expected. Freeze Frame: Fault Status: 01100000 Fault Priority: 0 Fault Frequency: 17 Reset counter: 255 Mileage: 125065 km Time Indication: 0 Date: 2000.00.00 Time: 14:29:52 Freeze Frame: RPM: 969 /min Load: 12.5 % Speed: 0.0 km/h Temperature: 99.0°C Temperature: 33.0°C Absolute Pres.: 1000.0 mbar Voltage: 14.097 V 004759 - Pressure Drop between Turbo and Throttle Valve (check D.V.!) P1297 - 000 - - Intermittent Freeze Frame: Fault Status: 00100000 Fault Priority: 0 Fault Frequency: 4 Reset counter: 255 Mileage: 125798 km Time Indication: 0 Date: 2000.00.00 Time: 11:33:43 Freeze Frame: RPM: 1074 /min Load: 18.8 % Speed: 0.0 km/h Temperature: 33.0°C Temperature: 19.0°C Absolute Pres.: 1010.0 mbar Voltage: 14.351 V