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Thread: Vectra C 3.2 - Engine Check Light and Traction Control

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    Default Vectra C 3.2 - Engine Check Light and Traction Control

    Hi all,

    First post, but I have been lurking and the topics and help have been amazing. I have a problem, on the way home from a mothers day outing today my Vectra CDXi 3.2 (Holden) 2003 models engine check light flashed and the tc light also flashed momentarily. Continued on fine, then about 5 minutes later, the engine check light came on and stayed on, the car started hiccuping, kangarooing and generally farting about (technical term). I managed to get her home about 15 kilometres away. When I got home, I cleaned out the throttle body and took the upper plenum off and cleaned them too (holy dooley, were they filthy, caked on fuel and crap), while I was at it I changed the oil filter (was unable to get sump plug off - it snapped my t45 tool).

    Anyway, got her started and fits and starts, puffs of smoke out the exhaust (prolly from massive amounts of throttle body cleaner I used to clean everything) and put two bottles of wynns injector cleaner through the tank, let her idle for about 5 minutes and the idle has come good revs cleanly and sounds sweet (except for a little knock every now and then - don't know where that has come from, was going to be the subject of my first post.....), the problem is that the engine check light and the traction control light - and in fact the traction control are staying on.

    Can I reset them without specialised tools, or do I have to take to the stealers????

    Do i just disconnect the battery for 10 minutes or do I have to pull the plug on the computer, and btw, in other posts, apparently the signal from the temperature sender to the ecu gets loose, where is the sender, and how can I fix that as well.

    Thanks in advance

    Greg

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    Regular Member mattv6diesel's Avatar
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    don't think so as if they stay on there might be a fault

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    Seems to be a big problem when cold, and now the transmission (5 sp auto) is hunting and very clunky, going up and down gears.

    Would a oil change in the transmission help? and how much oil is used?

    Greg

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    Ex Vec-C Admin Deztroyer's Avatar
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    hi mate and welcome to the forum ..it seems that the faults are still present from what your posting

    disconnecting the battery for 10 minutes WOULD clear any stored faults - but if there still present they will return fairly rapidly

    i would recommend disconnection and then to try reading the faults present with the brake pedal test and see what it shows up - this way if you HAVE resolved any of them it should only show whats outstanding..
    then post the fault codes and we will see if we can assist further

    0-Large smile ......every time it's driven

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    How can I find the fault codes, I do not have an OBDII scanner. And btw, how do I check my ATF fluid levels and subsequently refill the Auto with fluid..... ******s me but I cannot find a dipstick (3.2 CDXi - 5 Sp Auto 2003 model with 197000 klicks on it)

    Cheers

    Greg

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    Regular Member Ollie's Avatar
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    Use the helpful 'how to' on this site:

    http://www.vectra-c.com/forum/showthread.php?t=81742

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    Thank you for the info, well the hold the brakes and accelerator down, turn the key to the second position and voila, start counting. 0300, 0304, 0700 in order they are... random multiple system misfire detected, misfire cylinder 4 and transmission control malfunction....

    Alrighty then, how can we start to fix the baby...



    Cheers


    Greg

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    Hi everyone, after a day under and over the car, I think I have it sorted. I first drained the transmission fluid, dark red and a bit whiffy.... I put a dextron 3 (Gulf Western ATF fluid) in it until I can get to town in the next few days and I will do it again with the correct fluid, will probably only drive it 50 kilometres before it is changed over. No ATF fluid in the water either....

    Cleaned out the MAF (again) and attached a little home made catch bottle to the recirc pipe (see attached pics) and on a 5 kilometre run, have caught about teaspoon of oil in it already. I am unsure as to why this is, looks like there is a lot of blow by from somewhere.

    Both the transmission and engine check codes are gone, and it drives pretty sweetly now. What I would like to do is to change the plugs and replace the oil seal on the sump for the oil level sender (which is leaking) and this would allow more old oil to be replaced (I have broken 4 t45 heads trying to get the sump plug out - it was last tightened up by superman....) and maybe put an engine oil cleaner through it before I replace the oil. How do you get the sender unit out of the sump - looks like a reverse socket (!?).

    Any thoughts, but am a relieved little boy at the moment.

    Thank you for all your help.

    Greg

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