Detect bad injector?

something you need to ask , technical help here.

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2008tdihighline
B2
Posts: 230
Joined: Sat Sep 12, 2015 6:35 pm
Passat model: B6

Detect bad injector?

Post by 2008tdihighline »

Maybe once a month my car will idle like a bag of spanners, more so when cold, the engine shakes and clatters which I can only assume is it misfiring. (2.0 tdi cr CBAB) It might do this for two days, then all of all sudden it runs fine, idles OK! When it's not idling OK, once past maybe 1600rpm it seems to be fine, pulls OK, doesn't feel hesitant.

Is there are way in vcds of detecting a bad injector?

I've got close to the injectors and can hear about slight air/hissing sound but no diesel residue anywhere.

Also, can someone explain the pipe work to each injector, I see some rubber hose to each one, plus the mail metal hose.

Thanks

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Last edited by 2008tdihighline on Sun Mar 01, 2020 8:28 pm, edited 1 time in total.

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