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Message: <blockquote data-quote="dvng" data-source="post: 43463" data-attributes="member: 196"><p>THIS IS THE ONLY WAY IT WORKS! When the battery is disconnected, the ecu resets itself to its default mode, which explains the stalling and sputtering of the engine especially during idle and deceleration. There is no internal battery in the ecu, i've dismantle it b4 whilst installing a remapped chip. Here is what you need to do to achieve quick fix without meddling with the idle,afm or diconnect or reconnect the battery. The secret is the ICV. Remove the ICV and note where the arrow points. Now, reorientate the arrow so that is points the opposite direction and reconnects the ICV. The idle will immediately be raised to approx, 1200rpm or 1100rpm. Drive around for a day or two. Then revert the the ICV to its original position, and wahlah your idle is back to normal. Works everytime, anytime, trust me. The reversing of the airflow of the iCV tricks the ecu going into manual idle which opens up the afm, thus u will have stable idle although on the high side. This prompts the ecu to switch to a higher idle. When u switch back, the ecu, will readapt with the correct afm flow and thus  your idle returns to normal. After that, go to your mechanic and adjust the CO level. This is to ensure your car is not runnin too rich. Good Luck.</p></blockquote><p></p>