Went to the state forest with mate last weekend for a camping trip, did a lot of hill climbing etc. The old patrol worked just fine until I ran over a log on the track and the truck bounced twice and the engine stopped. I could restart it easy but it wouldn’t hold the idle and engine stopped quickly. I tried a couple of times in half an hour and got the same result.
I used the small knob (sorry I don’t know the name for it, manual choke?) to keep the rev at about 1000 manually and it drive fine and smoothly so I could drive home. After I got home, I found the car could idle again like nothing has ever happen.
I’m a bit concern as the problem just come and go, I couldn’t reproduce it and do know what cause it. And I have no idea if it would happen again. Anyone has any suggestion about what happen to it? It’s a 1989 TB42 automatic LWB, carby model.
if you where at a high altertude like around 1000m the answer is the carby have had that issue on one of my carbies and a mates and yes it happend the same way fine one weekend then next time was good for a while then had same issues untill i put a weber carby on it then had no other issues.
It wasn't that high I believe, 600 maximum and the problem still exist when I drove back to camp. But fixed itself after a couple of hours highway drive.
your exhaust didnt get crushed did it,after driving for a while the pressure might have opened it up slightly so it would idle again or split somewhere else
possibly **** from bouncing the car lodged in the carby so wouldn't idle and then by the time u drove home it cleaned itself out. i use to always take a bottle of carby clean with me for when **** like that happened. usually the fix of the problem, good old carby clean
i thought gq's were all fuel injected not carbys but i could be wrong, or is that just the diesels? as for your problem, the girlfriends riceburner just did the same, lasted an hour and i cant get it to do it again, im gonna be changing the fuel filter and checking the tank for crap.
Is it on gas? Your gas mixer adaptor may have snapped causing a massive air leak, but it has now settled back into place. Mine did this after jumping a wash away. I ended up making a nicely flowed adaptor myself at work
Oh and their are that many carby TB42's around it's not funny. I would say their are more carby than injected TB42's by a long shot.