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Random misfires after LWFW


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I have an 05 lgt with 139,000 miles. At about 115,000 i installed a new clutch/flywheel and my CEL has been on ever since from misfires on #3 and #4. It only comes on if i let the car idle, if i just get in and go for a couple days the light will go off but as soon as i idle for a minute or two it comes back on. My question is is there any way to get rid of this as I am trying to sell the car and i know that the light is going to end up costing me either not being able to sell or at least having to take less than i know the car is worth... Any help would be great.
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Yeah b/c your ECU likes the stock DMFW, when you swap to a LWFW you engine is turning faster than it is programed to like.

 

You need to have a tuner go into your ecu and adjust idle speed and the inputs from your crank and cam sensors, not just "turn them off" :lol: Many 05 folks do this conversion and are very happy. Go to the tuning section and search for this mod and fix and you should get good answer

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That has to be the problem as the car runs great otherwise and it happened at the same time.

 

Yeah that is def the issue even us non-turbo guys can suffer from going too light on the FW. That DMFW is great for low speed operation and is actually a good setup to run full time just gets costly to replace.

 

You should ask one of the tuning authorities on this site for adivce they can help you find a good shop in your area.

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It is about 60 miles away. That is probably who i will ask. I have emailed back and forth with them a couple times in the past when i was going to get the clutch and plugs and all done but I just ended up doing the clutch myself and got a good shop here closer to do the plugs.
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