PLEASE HELP!!!! Tank is Battling!!!! Arrrrgggghhhh

[DX grunt]

All this talk about work is making me thirsty. Sorry BigRig it's not quite 7am over here yet. Too early to crack a can. lol.

Well done lads.

[NissanGQ4.2]

Sorry Scotty can't help u on this one, nothing worse than getting a problem just before u want 2 leave 4 a trip. So you will be in Sydney next week???

[YNOT]

Well .. strange one to say the least ... reconnected the positive terminal this morning and car is obviously completely cold - starts on petrol literally on first crank (which is normal) and then sits on about 900RPM and over the first minute or so as it warms, idles down to about 630-650RPM. Bootiful This is normal cold start idle up indicating the idle up circuit is functioning normally ... switch over to LPG and the same ... sooooo ... stop the car, restart it and low and behold, straight up to 1050 RPM on petrol and holding ... stays there for about 2 minutes before it ever so slowly starts creeping down to eventually (after about another 2 minutes) dropping to just on 600RPM (even lower than before) To me this suggests that an incorrect input signal is corrupting the computer... no black smoke though through any of this so appears it isn't O2 related now (ish) and hence not punching too much fuel through ..

How bizarre ... could I have a faulty ECU? Normally I would say the ECU is the last thing I would suspect, but that fails to take into account the deep mud holes you seem to like driving through! or to drop it to something really basic, could the air filter need cleaning/replacing? Possible but unlikely, take the air filter out and see if it makes any difference Anyways ... feeling a little more confident (at least on LPG) to run it up to Hervey Bay - I'll get the old boys mechanic to have a squiz at it tomorrow whilst up there, as when we come back, we are only here for a day and then off to Sydney for a week, so obviously want it sorted before that ...

My main concern with you driving the car while it has this fault, is if the mixtures are wrong you could damage the engine.

Tony

[NissanGQ4.2]

it's not quite 7am over here yet. Too early to crack a can. lol.

7am, isn't that a late start?

[NissanGQ4.2]

yeh stupid spot for an ECU, If the water did get that high Scotty I would be looking at the ECU. I believe there is a Computer for the Auto Gearbox sitting in the passenger foot area up the front, so if you did have a major water intake, I would be getting that checked out 2 for possible water damage.

[Bigrig]

All this talk about work is making me thirsty. Sorry BigRig it's not quite 7am over here yet. Too early to crack a can. lol.

Well done lads.

Never too early mate!! LOL

[Bigrig]

just started it again, and now seem to have some water (very little, but there) coming out the exhaust - running and idling fine though?? This is getting all too confusing ... could it have been just some water had gotten in, and is now blowing out - i.e. not enough to cause major issue, but enough to cause some drama whilst it went through?? Again, has been running fine and done at least 300klms plus this week post taking it out last week without a glitch (water would have shown up before then I would have thought).

Thanks all once again!!

[YNOT]

Water coming out the exhaust during warm up is probably just condensation, but if you start getting steam continuing to come out the exhaust with the engine at normal operating temperature then it could be a cylinder head issue. If you've done 300km this week any water would be long gone.

I thought you were going to be on the road at 9am?

Tony

[Bigrig]

Water coming out the exhaust during warm up is probably just condensation, but if you start getting steam continuing to come out the exhaust with the engine at normal operating temperature then it could be a cylinder head issue. If you've done 300km this week any water would be long gone.

I thought you were going to be on the road at 9am?

Tony

Me too - but 3 dogs and 4 kids kind of dictated that I was fooling myself!!!! LOL

I'll monitor for the steam, doesn't appear to be, but would this affect idle on both LPG and Petrol?? Wouldn't it also be giving grief on LPG as it is on petrol due to being a head??

Anyways ... five minutes off leaving ... next post could be from my iPhone on the side of the road somewhere - I pray not!!!

Thanks guys.

[my third 256]

just wondering was it a bad batch of lpg ihad this problem a couple of years back (caltex) had to drain lpg tank out plus the water 2days later the then admitted there was a problem in sa
could have been national cant remember
also with bad stuf in the lines takes a while to push through
stephen