Check engine light

Submitted: Thursday, Jun 11, 2009 at 14:52
ThreadID: 69715 Views:1930 Replies:4 FollowUps:0
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Hey all, I ve had my 03 jackaroo for about 40000kms now, it has about 160000kms on the clock, I have had the check engine light flash on very quickly once every 10seconds since i brought it. Every time i get it serviced I ask the mechanic to look at this, and im told that there are no fault codes in the system. I have just worked out that the engine has to be reving for the light to come up. It does not flash at idle. Would anybody have any ideas on this problem? Could i be doing damage to the car? Thanks in advance!!! Its the 3.0l TD manual
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Reply By: Member - The Bushwhackers -NSW - Thursday, Jun 11, 2009 at 15:44

Thursday, Jun 11, 2009 at 15:44
Hi Simmorob, thought I was gunna be able to help you, but when I checked my owners manual, it only has a reference for the check engine light 'for petrol engines only'. Even then, all it says is "a fault may have been detected in the engine management system", and to take it to a Holden dealer, as it will affect engine performance and fuel economy. I have the same as you,
(3.0 Td), only 1999 model.
AnswerID: 369522

Reply By: sweetwill - Thursday, Jun 11, 2009 at 16:23

Thursday, Jun 11, 2009 at 16:23
g/day simmorob.
I have the same light in my commodore ute come on saying check engine, it turned out to be the vacuum hose had come loose, ute ran a lot smoother and used less fuel once fixed, cheers bill.
AnswerID: 369529

Reply By: Sand Man (SA) - Thursday, Jun 11, 2009 at 18:21

Thursday, Jun 11, 2009 at 18:21
My user manual (petrol engine) states that if the check engine light is flashing, you need to get it checked by a holden dealer ASAP.

I had a check engine light "hard on" but also had a fault code present.
My problem (rough idle, running rich) turned out to be a leaking inlet maniford gasket.


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AnswerID: 369547

Reply By: Madfisher - Thursday, Jun 11, 2009 at 19:33

Thursday, Jun 11, 2009 at 19:33
Once a check engine light has been on their should be fault codes present. I have found with my v6 that only the very best scan gauges can accurately read the fault codes. Have you pulled the main ecb fuse, this should reset the computer but it erase all codes. I had a lot of problems with my ce light being on and it turned out the egr valve was completely blocked. Once this was cleaned it has ran as sweet as.
good luck Pete
AnswerID: 369559

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