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gv runs on right bank only
https://auszookers.com/forum/viewtopic.php?f=5&t=27981		 Page 1 of 1
Author:  bazook [ Wed Nov 23, 2011 11:13 am ]
Post subject:  gv runs on right bank only
my gv was leaking oil so i pulled the motor out and changed the oil pump seal, and put it back in and wired it all back up, but when i went to start it it started idling strange so i took it for a ecu reset run only to find it goes away at half throttle, its like it was never there but back down to idle it would run like the plugs were dead so i changed the pugs and it still was there so i thought i wonder if the coils are playing up so i tested them only to find when you disconect them the motor wouldnt change so i thought yup coils. so i went and bought all new coils only to find that it was still there so i thought ill see my mechanic and see what he thinks. My mechanic had it for while and after changing every sensor and even the ecu the thing still does it 8O

sensors changed
tps
02 sensors
crank angle sensor
water temp sensor for the hell of it
idle control thingy
airflow meter cleaned
ecu


So if any body out there can help me give me a yell or pm me
thanks
Author:  atari4x4 [ Wed Nov 23, 2011 11:17 am ]
Post subject:  Re: gv runs on right bank only
tested for a damaged coil loom somewhere?
Author:  bazook [ Wed Nov 23, 2011 11:21 am ]
Post subject:  Re: gv runs on right bank only
i think he did but ill check with him tomorrow
Author:  scott12 [ Wed Nov 23, 2011 7:59 pm ]
Post subject:  Re: gv runs on right bank only
I recently had an intermittent fuel injector problem (on a different type of engine) and after putting everything back together, engine ran like a POS.

Worked on open throttle, horrible at idle, found a leaking vacuum pipe which fixed it.

Have you tested each coil individually with its spark plug to confirm igntion (try to do it with spark plug removed from cylinder and earthed to engine with vice grips or similar - connected to its normal wiring - you'll at least see it working or not) ?

My intermittent fuel injector was internally open circuit, and would run sometimes (probably depending on expansion due to heat making it get electrical contact).

I would probably look for a vacuum leak first, then confirm ignition, then the other things - replug wiring harness connectors (if you suspect an injector, you can measure resistance of injector coils with an ohm meter).

Good luck......

Regards
Scott
Author:  mightymouse [ Wed Nov 23, 2011 8:24 pm ]
Post subject:  Re: gv runs on right bank only
check that none of the connectors have a pin damaged or backed out.
Author:  bazook [ Wed Nov 23, 2011 9:19 pm ]
Post subject:  Re: gv runs on right bank only
also checked for vacuum leaks and its all good even checked alternator to see if i had a power drop on idle

Also checked each coil for spark and also checked injectors with anode and all good :x
Author:  Built4thrashing [ Wed Nov 23, 2011 10:22 pm ]
Post subject:  Re: gv runs on right bank only
My money is on injectors.
Author:  steak_knife [ Thu Nov 24, 2011 5:48 am ]
Post subject:  Re: gv runs on right bank only
Built4thrashing wrote:
My money is on injectors.


It appears to have weak spark at idle....
Author:  scott12 [ Thu Nov 24, 2011 11:57 am ]
Post subject:  Re: gv runs on right bank only
bazook wrote:
also checked for vacuum leaks and its all good even checked alternator to see if i had a power drop on idle

Also checked each coil for spark and also checked injectors with anode and all good :x


how does an anode test a fuel injector ?


will it still run ok at open throttle ?

or is it always misfiring now ?

does engine temp change anything ?
Author:  atari4x4 [ Thu Nov 24, 2011 12:05 pm ]
Post subject:  Re: gv runs on right bank only
steak_knife wrote:
Built4thrashing wrote:
My money is on injectors.


It appears to have weak spark at idle....


change & gap the points :P
Author:  bazook [ Fri Nov 25, 2011 11:17 am ]
Post subject:  Re: gv runs on right bank only
when i unplug the injectors the idle changes i was meant to say...The anode was to check the wiring
on full throttle i runs fine, it only does it until half throttle then goes away like it was never there...
hot or cold it still does it

The list of things checked are
ecu
afm
tps
isc
egr
both 02 sensors
checked and resealed manifolds
ect sensor replaced
spark plugs checked
injectors and loom checked
engine earths checked
alt checked at battery

Still does it :(

who ever gives me $2500 unregested(or you supply roadie)can pick it up
295000 on the clock
things that are good on it
brand new 225x75x16 at tyres
interior all clean no rips apart from one burn mark in the the seat
alloy wheels
steel front diff
2inch lovells springs and shocks
springs blocks
alloy bull bay (tjm)
cvs redone
diff oils changed
new rear bearings
new ffront bearings
new brake shoes in the box (forgot i had them :oops: )
custom dash skins

pm me
Author:  fordem [ Fri Nov 25, 2011 1:59 pm ]
Post subject:  Re: gv runs on right bank only
You missed two sensors - CMP - cam position sensor, on the back of the cylinder head (left bank) - and - CKP - crank position sensor, down by the crank pulley - my guess would be one of those two (CKP most likely), based on the fact that it runs well above half throttle.
Author:  bazook [ Fri Nov 25, 2011 2:00 pm ]
Post subject:  Re: gv runs on right bank only
god the amount of damn sensors on these things 8O
Author:  alien [ Fri Nov 25, 2011 2:02 pm ]
Post subject:  Re: gv runs on right bank only
wait till they make sensors for the sensors!
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