Birty Dastards Jeep Club

Tech Forum => Workshop => Topic started by: bjc on June 21, 2008, 09:28:38 PM

Title: Engine Management light
Post by: bjc on June 21, 2008, 09:28:38 PM

Hi. Can enyone help with an engine management light problem?

Have a 2001/2 GC 2.7 diesel and the engine management light ONLY comes on when it is warm and idling (ie at traffic lights, roundabouts etc.). It's fine if I can keep the revs up but, unfortunately, you can't always do that!

Sometimes it also slips into limp mode but then sometimes it doesn't (just the light on!).

If I flip the ignition off and on 4 times I get the following codes on the odo

P0235 then P0243 then back to the normal odo reading.

Can anyone shed light on this? Any help much appreciated.

BC

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Post by: tim_aka_tim on June 21, 2008, 09:55:58 PM

Turbo wastegate solenoid or it's wiring is buggered, causing overboost.

P0235 - Turbo/Super Charger Boost Sensor A Circuit (Manifold pressure reading above turbocharger over-boost limit detected during engine operation).

P0243 - Turbo/Super Charger Wastegate Solenoid A (Open or shorted condition detected in the turbocharger wastegate solenoid control circuit).

Title:
Post by: bjc on June 22, 2008, 09:34:44 AM

Thanks very much for the speedy reply and the info.

Time to get the hands dirty I think!

BC

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Post by: mr s on June 28, 2008, 12:54:22 AM

Sorry to hijack the thread but my 2002 GC also recorded a P0243 the other day.  I was accelerating up a fairly steep hill when the light came on.  Light has gone off and not returned but I now get a hugely noticable whooshing sound at anything other than 2.5k revs.