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Message: <blockquote data-quote="blackbean" data-source="post: 305709" data-attributes="member: 14490">I had the same problem before. The reason was due to Air Flow. How it happened?Initially there was no problem with my e36, auto 97 model. when i excellarate the air flow flip will get stuck. Got to knock the air flow a little to solve the problem. Got fed up with the problem and send it to my so called sifu  wanna be at USJ 1 near chee wen school. I told him to get me a second hand airflow and he got one for me. I paid RM 700 for that stupid airflow. He said price has increased due to the price hike in petrol. Ok lor... what to do.Everything was OK until the bugger airflow got stucked again. Send it to my sifu again and he change another airflow for me. Drive for a day & the next day during a cold start the idling started to go kuku and jerk a little during driving. Everything goes well after warming up. Idling & gear box go smoothly. The problem only arise during warming up.Went to my stupid sifu again. I kept telling him the problem is from the Air flow. I never had this problem with my old air flow. He told me i was wrong. And the problem was due to ICV (control valve)Ok lor... since you are the sifu i dont dare to argue much. I told him to change the control valve. He charge me another RM700. He said price has increased. Ok la... what to do... i want to get rid of the problem once & for all. Money is one thing but the problem is my time & frustration of keep sending my car to the workshop.After changing the ICV, The problem is still there..... damn angry & frustrated now... I send my car to the sifu again. he said there must be some other things that are faulty. I said to myself, might as well change the whole damn engine. Ask me to come again the next day as he was busy. I damn bloody piss off already so i sent my car to Mspeed (ah meng, recommended by forumer) for a second opinion. Ah meng as me to open the bonet. he has a long hair and really look like a Guru. As usual i never like to argue with Guru or Sifu (except for SIFU wannabe). I explain to him the whole process when my aiflow got stucked. I also feel a bit pai seh lor... never send my car to him earlier... only when got problem i sent to him.At one glance, doctor ah meng told me that your car is e36 year 97 model & the Airflow last 3 digit model number should be 134. The airflow that your mechanic had installed for you is model 135. 135 is for e36 year 94 & below without O2 sensor. He ask me to go back to mechanic to get the problem fixed. Ah meng quite fast in analysing the root cause of the problem compared to my current mechanic.Since Mspeed is just nearby my mechanic. I just drive there to inform him on the information. He still dont believe me that the air flow is the problem. I came to see him again the next day and ask him to install my old airflow (still usable) to prove to him that the airflow is the culprit. To my surprise the problem vanished. no more idling & jerking during warming up. Now I am very sure it's the airflow (thanks to ah meng). I went to my mechanic again and told him about the problem. He told me to leave the car there as he's afraid that the supplier of the air flow will not believe him. Ok lor ... so i left my car there and he managed to get the air flow with model 134 installed. Sigh.... the whole process of headache & frsutration took almost 2 months of my time. To be honest, there are quite a number of times that i had to sent my car 2 or 3 times for the same problem to this sifu. Luckily i stayed in USJ and easy for me to send my car to the mechanic.As a learning, always send your car to a real SIFU not sifu wannabe. You will save time, money & frustration. .</blockquote>

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