Quote:
Originally Posted by steve99
manifold pressure is fine doesnt look like leaks
if you have already cleaned replaced maf then it looks like its could be aDI issue likely injectors leaking damaged seals
if it going rich amd high negitive trims means its over fueling
infortunatly you canmot rearly confirm leaking injectors from logs so its my best guess as other things look ok
it could possibly be leaking port injectors they are easier to get to so maybe check those first.
but DI seals are known issue
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So I went ahead and installed some new identical injectors, but still having the same issue.
I’ve already recently replaced the following trying to find this issue :
New DT Ignition coils
New DW 900cc injectors
New o2 sensors
1 new GDI injector ( on plug that looked wet with fuel, others were ok)
I’ve done a compression test and a smoke leak test, all is well.
Any other suggestions?