Reply to thread

Message: <blockquote data-quote="viewfinder" data-source="post: 207950" data-attributes="member: 1704">My experience was occasional erratic idle for ~2 seconds after a cold start in early morning.  Never happen when it's hot.  Didn't manage to find the problem until one day the car cannot start when it's cold.  Found out that the fuel pump fuse (very old) was almost blown.  Then I realized that during cold the fuse was basically causing open circuit and when hot the metal expanded and the circuit was connected.  After replacing the fuse, the short erratic idle has never happened again.I was told by mechanic that the AFM housing (plastic) could also cause erratic idle if the housing has cracked.  Apparently the crack may be at the bottom that we cannot see unless you put a mirror or remove the AFM housing for inspection.</blockquote>