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im having exactly the same CE codes (as a pair) come up on my 2013 VF (LPG only).. doesnt seem to affect car driving at all..cleared codes a couple times and they come back after a day or so.. if anyone got to the bottom of this since the original post please let me know!

Yes did myself... Its heads off job, id guess 5 to 10 hrs for a knowledgeable mechanic ,or about 3 weeks of spanner throwing in the garage for this amateur ...

i had a burnt out exhaust valve on 06 VZ alloytec on factory dual fuel, similar symptoms at about 235000kms cylinder misfire code, poor idle but would drive ok, rested codes then would recurr a day or 3 later... until the valve got bad and major loss of compression on 1 cylinder... i...

Is there anyone in adelaide who can tune the LPG system for VF Evoke for a little more power/torque? (and are there any worthwhile gains to be had?) happy with the car for what it is, but curious if theres any scope for ECU tuning

Hi all, VZ commodore 06 alloytec (with fly by wire throttle). , im having code p2119 Throttle Closed Position/Range Performance recur, it doesnt seem to impact performance but If i clear the CEL code, it keeps coming back after a day or 3. i have cleaned the inside throttle body, but makes no...

Hi all, VZ commodore 06, just wanting to revisit this thread, im having code p2119 Throttle Closed Position/Range Performance, it doesnt seem to impact peformance that i notice, but i only nanny the car now as its getting on.. but throws CEL. If i clear the CEL code, it keeps coming...

Thanks will try these things, replaced the fuse again, now cant get to to blow again yet, but also figured i could swap left and right bank injectors and coilpacks to see if the fuse on the other side goes, or not, that would also narrow it down to a loom problem or component problem.. see...

2007 VZ alloytec auto (dual fuel) driving car today and completely lost power. starts and idle rough, but undrivable. RAA traced it to a blown 15A fuse for injector/ign cct 2/4/6 side of engine (passenger side) replace fuse, drove off and car was good for 500m then fuse blew again...

Yes I solved the problem was inlet manifold to plenum gasket was misfitted.. so it seems the answer to my question is no, the crank can't be 360 degree out...

Solved,. One of the plenum to inlet manifold gaskets wasn't in place properly, on a gas car the gas hoses interfere a lot with them when installing it, and seems I'd rushed that part.. after refit, started a bit lumpy, found a disconnected rocker breather, reset the ecu again, let it warm up...

Thanks very much, ok I will carefully check the cam sensor wiring which does get quite knocked in the process.. I did get a p0335 and p0336 crank sensor error code trying to run it, just once, but can't get that code to recurr and it seems odd this sensor would decide to fail at the exact...

It only starts on petrol with the factory dual fuel setup till temp comes up.. I don't think I can force start it on lpg, I will polish up the ignition lock "ring" and key... Thankyou!

They appear to be, I'm expecting to see a error code if one wasn't connected?

Vz alloytec, had the heads off and new ex valves , all back together, compression good, timing double checked, car starts but immediately dies, occasionally stumbles a bit first like it's hunting for an idle but dies.. , with half throttle held, car will start and burst to 3000rpm for a...

Well redoing the timing with crank turned 1 full turn made no difference...so I think timing was fine... It kicks and splitters, starts for a couple seconds then dies.. if throttle held at 50 percent it will rev to about 3000rpm then die. I'm wondering is it just flooding with fuel? I've reset...

Yeah I followed instructions correctly, but I may have inadvertently rotated crank one turn between taking heads off, and putting back on, the instructions assume you don't touch the crank , or the cams after you have taken the chains off, before putting new ones back on....

That's exactly what I'm suspecting.... Because I pulled the heads off and was rotating crank randomly, the crank is possibly one full rotation off (same as cams half a rotation off). Obviously I can't set timing up with cams half a rotation off, the chain marks won't align, so I will rotate...

Thanks guys, I didn't do step 2, just put the heads on.... I didn't have issues rotating things with chains off though.. Think Ill try rotating crank one full turn and redoing the timing.. but would have been good to have had that theory confirmed first.. thanks re the sensor cables, they do...

Vz alloytec, I've had the heads off to redo ex valves, and putting it back together it runs but stalls at idle and very lumpy at low rpm and feels like chugging and backfire through manifold and exhaust like I mucked up the mechanical timing... But stripped it back down to review timing and...

issue ended up being an burnt exhaust valve on #6 ... $30 dollars for a new valve and about $800 in gaskets and timing chain kit, waterpump, head bolts, valve stem seals etc.. while i was there took both heads off and cleaned things up .. all ok now. thanks very much for all the assistance...

pls correct me if im wrong here, but re possible lifter fault issue causing exhaust valve leak, i dont think that can be my issue. with the engine not turning, and all #6 valves closed (ie cam lobes not pushing on rocker arms) ) there is a smidge of clearance between the cam and the...

yes, i am awaiting a ebay borescope to see what that shows, but i think the passenger side head will need to come off regardless... but i cant find a diy on alloytech head removal on the forum here, if anyone can point me to one that be great.. i am wondering also can i just remove a single...

hi , VZ exec wagon, 175kw dual fuel 235000kms i have constant misfire on cyl 6, and CEL, thought it was plugs or coils or ECU had all that checked/replaced (see my other post) carefully did a compression test, all cylinders are 155 to 160psi EXCEPT # 6 is 25psi thats bad. seems...

bugger, i sent off the ECU to injectronics (along with the key, PIM and BCM module) for a repair/remanufacture, but they tested and it was fine (that cost about $350 once i got it back via repco , injectronics dont deal direct) so i took off plenum and properly did the compressions warm etc...

Strange issue would appreciate some help. car developed misfire, stopping and starting the engine fixed it a couple times for a few days, but now makes no difference constant misfire in cyl 6. it starts and runs on 5 cylinders. it drivable, but poorly. pulling the connector plug off on...