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Location:
Brisbane
Registered:
December 2002
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computer or tranny problem?
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Sat, 01 March 2003 05:33
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hey guys i looked at a commodore to drive today (VP) to drive while my supras off the road...i noticed as soon as u put into park as u pull up to stop it turns the engine off...is this a computer or tranny problem? No smartass comments please.
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Location:
Southern Sydney
Registered:
August 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 05:59
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My old man has a VP commodore and it doesn't do that.
It clunks and jerks through the gears like all true australian cars but it doesn't stall when putting into park.
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 06:01
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nah this doesnt clunk or anything...goes fucken hard for a 6...doing 70 and plant it and u go sideways. i think it may be somethign electrical but i got no idea how to find out what it is...any suggestions?
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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 06:34
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hi robbo
that indeed sounds like an issue - does it actually shut the car off completely ie: do all the dash lights go out or does the car stall? sometimes when a VN/VP is put into neutral/park they stall as the IAC's get sticky in the throttle bodies and cause this.
let me know how you get on. can help 
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 06:58
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nah ignition is still on...first time i drove it and pulled up in park i tried to go again cos the lights were on and noticed the car stalled. ideas?
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Location:
Brisbane
Registered:
December 2002
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 07:31
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if it helps the car now has 202000km on it..if something normally faults at that age..
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 07:52
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i just found out from my sister in law the car also stalls in drive etc, but only when it becomes stationary. driving along it is fine.
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Location:
Southern Sydney
Registered:
August 2002
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Re: computer or tranny problem?
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Sat, 01 March 2003 14:13
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Sounds electrical.
Commodores are known for having very poor alternators. Perhaps you can mearsure the output from the alternator at different Revs with a multimeter and determine if that is the cause
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Location:
Brisbane
Registered:
December 2002
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sun, 02 March 2003 01:37
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no man its not that problem. im sure it might be something to do with what grega said...
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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: computer or tranny problem?
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Sun, 02 March 2003 05:42
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IAC = idle air control, what it does is compensate for load on the engine like when the AC is on, when you activate the power steering by turning, basically the computer senses no load on the engine, and "thinks" that the engine is being loaded up so compensates for it thats all.
alternators are ok on commodores actually. the regulators die on them quite often, up, at 750rpm in neutral you should see ~14.1v charging.
202km....my suggestion would be to pull the throttle body off and get out the carby cleaner and give the plastic plenum and all the throttle body a good clean up...
failing that, there is a screw on the throttle body (idle stop screw) which you can adjust to bring up the idle a wee bit - its a bastard to get to tho (you need a precision screwdriver (small) to get to it.
other things to look for at that age, make sure the auto shifts to reverse quickly, that it doesn't slip or slur gears (the kickdown cables are adjustable and a PITA) check for rear main leaks - the VP's are better as they have the neoprene seal not the fucking shit rope type like the series 1 and series 1.5 VN's....about all that comes to mind, hope this helps
hope this helps.
[Updated on: Sun, 02 March 2003 05:43]
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Location:
Brisbane
Registered:
December 2002
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Re: computer or tranny problem?
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Sun, 02 March 2003 05:56
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youre a champion thanks mate...just gotta con my brother into letting me fuck around with his car before i buy it.
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