原因可能有N種。
從簡單的做起吧，換fuel filter，spark plugs, spark plug wires等等，你的小老婆有knock sensor, ignition coil packs? 也可以查一查他們。
還有一堆的sensors你得一一去找。
IAT
MAP (cleaning, you might need to replace it if cleaning doesn't work)
TPS
IACV
EGR
Coolant temperature sensor
weak fuel pump也可能造成rough idle.
I had the same issue before. It drove me nuts for a month or two. I took the gamble and replaced the MAP sensor I ordered from ebay. It didn't help. The fault was with the IAT. It was partially my fault as I put in a cone air filter. The darn thing bypassed the IAT.
Good luck and keep us posted with your progress.
從簡單的做起吧，換fuel filter，spark plugs, spark plug wires等等，你的小老婆有knock sensor, ignition coil packs? 也可以查一查他們。
還有一堆的sensors你得一一去找。
IAT
MAP (cleaning, you might need to replace it if cleaning doesn't work)
TPS
IACV
EGR
Coolant temperature sensor
weak fuel pump也可能造成rough idle.
I had the same issue before. It drove me nuts for a month or two. I took the gamble and replaced the MAP sensor I ordered from ebay. It didn't help. The fault was with the IAT. It was partially my fault as I put in a cone air filter. The darn thing bypassed the IAT.
Good luck and keep us posted with your progress.
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