Ok here is the problem. One of the tubes on the pipe from the egr to
manifold pipe broke off. I've repaired that. But I can't recall which hose
goes where on the dpfe sensor. Rookie mistake for not labeling them I know.
The dpfe sensor has a high side (tube to the left, looking at it from the
front of the car, larger bore then the other). The other side I believe is
reference (marked REF). The hoses as they are now is the pipe on the top
most part of that tube goes to REF. The other pipe/hose is hooked to the
high end. Sorry if my explanation is complicated but I'm wondering if
someone could have a look at their motor and see what side the top most hose
on the pipe is hooked to on the dpfe. Sorry also need to mention it is a
3.8 Litre motor.
Thanks in advance for your time.
Don't know your vehicle, but can offer some simple logic: HIGH is the high
pressure side of the sensor. EGR flow is from the exhaust to the intake
manifold (or throttle body). So the tube closer to the exhaust goes to the
HIGH port of the DPFE.
If I remember correctly, the DPFE nipples are not the same size. Unless you
replaced the tubes of cut off their ends, one should be flared or stretched
larger than the other. By the way, if you ended up replacing one of those,
hopefully you did not use a simple rubber tube; because of the high
temperature, these need to be heat resistant (possibly silicone).
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